Dr. Neeraj (Nick) S. has been an educator for over 15 years. He started his teaching career in Alaska, where he received his Masters of Arts and Teaching from the University of Alaska-Anchorage. A National Board Certified Teacher, former teacher of the year, network math coach, and Assistant Principal, Nick has taught everything from grade 1 math to Calculus. Dr. Satyal received his doctorate from Loyola Marymount University in 2014, and wrote a dissertation on how grade 5 teaching affects grade 8 math achievement. He has helped support multiple schools in transforming their math department from both a qualitative lens, and as measured by state test scores. Dr. Satyal believes math education is a social justice issue where kids need mathematics to be full participants in a democracy. Dr. Satyal was a former college baseball player who still plays competitively, and enjoys spending time with his wife, and newborn daughter.

Nicole Szajkowski began her career as an elementary teacher in Anchorage, Alaska. Nicole (Nikki) has taught multiple grade levels in three different states (AK, CO, ND), as well as working as an instructional coach. Nikki is currently a district math curriculum specialist. During her time as a curriculum specialist, Nikki has the opportunity to lead teachers through unpacking their standards, digging into math concepts, and engage in building and district PLCs to support all learners. Nikki has spoken at various state and regional math conferences and loves to learn from the great educators she meets. Outside of education Nikki loves to garden, keep chickens, travel, and do all the great outdoor adventures Alaska affords with her husband and three sons.


Becca P. has been tutoring and teaching math for more than half her life! As a National Board Certified Teacher and Huntsville City Schools Secondary Teacher of the Year (2018), she believes that all students can learn math and should be given access to high-quality instruction and curriculum. Currently a stay-at-home parent, Becca is excited to be able to work with IM to forward their mission and so that she can stay current in the Math Ed world. . . and because she just loves doing math with kids.

Jeanne S. began teaching middle school mathematics in Ringgold, Georgia, then moved to Decatur, Alabama where she taught middle and high school before becoming a Secondary Math Specialist for the Alabama Math, Science, and Technology Initiative. She holds National Board Certification in Early Adolescent Mathematics, and she has master’s degrees in Integrating Classroom Technology and in Teaching English to Speakers of Other Languages. She was part of Alabama’s team to plan and provide professional learning across the state when the Common Core was adopted. Jeanne believes that all students can learn mathematics at high levels given the proper access and support, and she is passionate about giving teachers the tools and support they need to make this happen in their classrooms. She and her husband have three children who have grown up too quickly, and she loves to read, crochet, and run.


Allison P. began teaching after falling in love with her education internship in college. Although it was focused on the business side of schools, she knew the classroom is where she was supposed to be. Allison taught middle and high school math and STEM for seven years and now works at New Teacher Center supporting instructional coaches navigate coaching through curriculum implementation. Her greatest accomplishments have been supporting the founding of a middle/high school in Phoenix, AZ and teaching a co-taught Geometry in Construction course where students applied mathematical concepts to build projects to improve their school and community. She believes creating genuine, hands on learning experiences where students can explore and investigate is the key to high quality math instruction. Outside of work, Allison enjoys sipping iced tea and reading a book at a local coffee shop and fostering dogs from a local shelter.


Tonia C. taught mathematics at Cabot High School for 15 years and coached the math competition team for 10 before moving to Fayetteville. Since arriving, she has taken on creating a math competition team for Fayetteville High School; her teams have numerous wins at the regional, state, and national level. Tonia served as the Mathematics Specialist for Northwest Arkansas and is now teaching college algebra for the University of Arkansas. Most recently, she formed the Arkansas affiliate of Mu Alpha Theta and will be hosting the Natural State High School Mathematics Convention in April 2020. Tonia knows that enthusiastic educators equipped with student centered/task based curriculum and teaching routines are effective and can change the world. Every student, in every classroom, deserves a high-quality education and this is why she is passionate about Illustrative Mathematics!

Judy D. began her mathematics education journey as a secondary teacher in Charleston, Arkansas. She enjoyed serving middle and high school students for 9 years as a classroom teacher before transitioning into teacher support. She served 8 years in K–12 professional development and classroom support as a state mathematics specialist and as the state’s high school lead specialist. She enjoys collaborating with other passionate educators, discovering new ways to “see” mathematics, and learning new ways to support learners. She is starting her first year as a district mathematics specialist, is President-Elect of the NCTM affiliate, Arkansas Council for Teachers of Mathematics, and initiated a state-wide online community for instructional facilitators to learn together. Judy enjoys being an IM-Certified trainer because the curriculum and training empower teachers to provide engaging instruction that invites all mathematics learners to know, do, and enjoy mathematics.


Ma Bernadette A.  has been to K–12 classrooms teaching, coaching teachers, and providing professional learning for teachers, site and district administrators, and parents, since joining SCCOE, . She continues to “walk the talk” by being in the classrooms doing lesson demonstrations embedding English language development (ELD) standards and strategies for English language learners and students with disabilities.

Her expertise also includes curriculum development that fosters a growth mindset through the lens of culturally responsive pedagogy and social justice. She developed summer school curricula for grades 8 and 9 through the ELEVATE math program of the Silicon Valley Education Foundation. The curricula highlight lessons and strategies that promote student agency and identity.

Included in the lessons are a variety of activities that support academic language acquisition, critical abilities from CCSS-Math—that is, communication in many forms, collaboration and interpersonal interaction, use of technology, modeling, design, problem-solving, and formative assessment.

Angela B. began her career in math education as a young math tutor for the University of California, Riverside Learning Center back in the year 2000. Almost twenty years later, she has taught nearly everything from grade 6 through community college and now supports secondary classroom teachers and students as a Math TOSA and instructional coach in a small district in Southern California.

In 2009, she earned a master’s degree in mathematics with an emphasis in math education from the University of Montana, where she deepened her theoretical understanding of how people learn mathematics. Angela believes that the role of sense-making and connecting ideas is central to how people learn and strives to embed this in all of her professional work. When she’s not working, Angela enjoys quality time with her husband and 6-year old son learning all about Godzilla and T-Rex while playing old school console video games.

Valentyna B. began her career as a grade 4 educator at a school for Somali refugees. She is currently the Director of Academic Achievement at San Diego Global Vision Academy, a Title One Tk–8 charter school with a focus on inquiry, social justice, leadership, and social-emotional learning. She oversees the school’s Multi-Tiered System of Supports (MTSS) and student programs. Valentyna has a master’s degree in Teaching Tk–8 Mathematics and a master’s in Curriculum and Teaching. She is also a teaching consultant for the San Diego Area Writing Project where she leads professional learning in all content areas. She believes that all students are capable of brilliance and deserve a high-quality education with access to high-level mathematics. She enjoys spending time at the beach and event planning.

Meg B. began her career in education teaching high school in France and is currently an elementary school teacher and mentor for graduate students in Los Angeles. Meg has enjoyed teaching in charter, private, public and Australian schools. She ran a one room schoolhouse in the Silicon Valley where she had the opportunity to experiment with the best practices and resources for student curricular gains, while using the wealth of personal and digital resources at Stanford University and the local tech industry. Mathematics rose to the top as the biggest area of need for quality, problem-based curriculum. She came to love math instruction when she saw an opportunity for concept mastery through new ways of thinking about the subject. Meg’s favorite places to spend time are Australia, where her sister is a dairy farmer, and the French Alps, where she eats too many pastries.

Libby B. began her career in education as an AVID tutor during her undergraduate studies. She went on to teach high school math for 15 years before leaving the classroom and is now a full-time instructional coach for middle and high school math teachers. She left classroom teaching when she found herself with more questions than answers and completed a Ph.D., focusing on how school culture influences achievement for different subgroups in diverse schools.

She continues to pursue equitable access to meaningful learning and educational opportunities. She believes we have an obligation to help each and every student see themselves as competent mathematicians by nurturing individualized sense-making for mathematical ideas. While mathematics is an important artistic outlet for her, her primary artistic work happens in the kitchen.

Jennifer C. began her career in education as a behavioral interventionist working with children with autism and as an elementary classroom teacher. Jenn currently serves as an instructional mathematics coach at an International Baccalaureate TK–8 school in North San Diego County. She has also served as an elementary classroom teacher, teacher on special assignment for elementary mathematics, and mathematics intervention specialist. She is an experienced professional learning facilitator and has been a speaker at the California Mathematics Council – South Conference and UCSD Teaching and Learning Conference. Jenn received an M.Ed. with an elementary mathematics emphasis from University of California San Diego and an M.A. in Educational Administration from California State University San Marcos. Her passion lies in helping teachers design culturally responsive mathematical experiences that elicit sense-making, curiosity, and a positive disposition towards math in their students. Her research interests include the impact of culturally responsive mathematics teaching on students’ self-beliefs, particularly students’ self-efficacy. In her free time, Jenn enjoys traveling with her husband and two children.

Vanessa C. started her journey as an educator, curriculum developer, and workshop facilitator over 20 years ago. She taught high school mathematics in Los Angeles and Orange County before joining her local county office as a math coordinator. She has developed a unique perspective on the problems we face every day, through her work with diverse learning communities: a site with predominantly English language learners in Title I schools, a math and science academy, and an academy grounded in the arts.

She currently supports teachers, administrators, and various grade K–12 stakeholders to foster a love for teaching and learning mathematics! Vanessa is never too busy to drop a beat and dance with her husband and kids.

Jean D. began her career in education as a dance instructor in San Diego, CA, and has continued to teach dance for over twenty years. She became a grade 5 classroom teacher at San Diego Cooperative Charter School (SDCCS) in 2014, and she is the SDCCS Math Lead, K–8. Jean received her Masters of Education with a specialization in Teaching Mathematics in September 2019. She has presented at the Greater San Diego Math Council conference and designs and facilitates professional learning at SDCCS.

Jean is passionate about providing the space and experiences for all students to construct a deep understanding of mathematics through hands-on experiences and problem-solving. She incorporates movement and music into her math instruction and believes that they provide equity and access for her students. Jean is inspired by her mom, who is a lifelong learner with a zest for life. “Life is good.”

Jamie G. is the director of mathematics at the Stanislaus County Office of Education. She has a BA in Liberal Studies, an MA in Curriculum and Instruction, both with a focus on elementary education, and holds both California teaching and administrative credentials. During her 12 years in the classroom, she taught Kindergarten, 1st and 6th grades in many settings, including charter, public, and magnet schools. Jamie was named as the Stanislaus County Teacher of the Year in 2013 and awarded the Presidential Award for Excellence in Math and Science Teaching in 2012. She is passionate about teaching, math, and teaching math and is an advocate for equitable access to high quality math instruction for ALL students. In her free time, she loves to bake and go to the gym because you can’t have one without the other.

Joe H. ​began teaching as a Math for America DC Fellow and later Master Teacher. ​He has extensive experience teaching students from diverse linguistic backgrounds, including students who are newcomers to the US and students with interrupted formal education. Joe believes in finding and elevating the mathematical brilliance of every child and is passionate about helping teachers view all students from a strengths-based framework.

He is also committed to his own continued learning and growth and has attended the Teacher Leadership Program at the Park City Mathematics Institute (PCMI), as well as numerous conferences of the National Council of Teachers of Mathematics (NCTM). Joe can frequently be found learning with other teachers on Twitter using the hashtags #MTBoS (Math-Twitter-Blog-o-Sphere) and #ClearTheAir (a community of educators committed to equity and social justice).

Wilma K. started her career as a middle school math teacher over 40 years ago. She is currently an educational consultant. Due to her leadership and knowledge of instruction, she has been the catalyst for major changes in classroom practice and beliefs about whether or not students can learn. The highlight of her career was in a small rural district in central Washington state.

Under her leadership as Assistant Superintendent, the district was recognized as scoring in the 99th percentile of growth nationwide over 5 years. Her areas of specialty include mathematics, leadership, and literacy. She has worked with several districts in helping them change how they view math instruction to make it accessible and equitable for all students and learn how to create a classroom in which mathematical discourse is a norm. During her spare time, she loves to travel and spend time with her two grandchildren.

Julie M. is a former classroom teacher in the San Francisco Bay Area and is an Associate Professor of Mathematics Education at CSU East Bay in Hayward, California. Her classroom experience led her to pursue graduate studies at UC Berkeley, and to earn her MA and Ph.D. in mathematics education. Her research focuses on the teaching and learning of mathematics concepts that are foundational but considered “hard to teach and hard to learn.” She is the coauthor (with Meghan Shaughnessy) of Beyond Pizzas and Pies: 10 Essential Strategies for Supporting Fraction Sense, 2nd ed. (Math Solutions 2015) and author of Beyond Invert and Multiply: Making Sense of Fraction Computation (Math Solutions 2015). She cares deeply about the mathematics education of all children, especially those from traditionally marginalized communities. In her free time she likes to run, knit, spend time with her family, and cuddle with her two goofy pit bulls.

Gretchen M. began her career in education as a middle school math and science teacher in southern California over 30 years ago. Since then, she has worked as a middle school math and technology teacher, coach, math specialist, and project coordinator districts in the San Francisco Bay Area. Some of her accomplishments include developing and coordinating a mathematics performance assessment program across a consortium of 11 districts and supporting the sense-making and implementation of the CCSSM in local districts.

Gretchen believes each student should have not only access but also the opportunity to learn challenging and rigorous mathematics. She is currently the executive secretary for the California Mathematics Council, a regional lead for a CA Gear-Up Federal grant, and a presenter for the California Math Festival program. Gretchen likes to spend her free time with her dog, Blue, and her nieces and nephews. She enjoys knitting and traveling.

Kathy M., Ph.D. is an educational consultant and a recently retired Math Education Professor from Sonoma State University with a Ph.D. in Teacher Education from the University of Michigan. With more than 25 years of experience supporting pre- and in-service K–8 teachers, and experience teaching K–6, she has worked as in a variety of roles including professional learning facilitator, university instructor, coach, and lesson study/PLC mentor.

She loves working with groups of teachers and teacher leaders to nurture curiosity about student thinking while developing pedagogical reasoning and mathematical content knowledge. She is inspired by powerful math frameworks that have numbers in them, especially the 8 Mathematical Practice Standards, the 5 Practices for Orchestrating Powerful Mathematics Discussions, 5 Classroom Dimensions in Teaching for Robust Understanding (TRU), and NCTM’s 8 Effective Teaching Practices.

Keely M. has taught mathematics to grades 7-16 and is a middle school math coach for Oakland Unified School District. She has a BS in Mathematics from Stanford University and a Ph.D. in Mathematics Education from the University of New Hampshire where her research focused on how novice mathematics teachers understand the Common Core Math Practices. Through coaching, PLCs, and district professional learning, Keely currently supports teachers to enact language routines and practices to engage all learners in math talk. She is passionate about creating opportunities for under-served student populations to have access to powerful mathematics learning.

Teresa M. began her 22-year teaching career as a grade 3 teacher in San Bernardino, CA. After getting married, she moved to San Marcos, CA, and taught middle school special education, then grade 5 for ten years, and most recently grade 6 math. Since receiving her masters in K–8 mathematics from San Diego State University, Teresa has been serving as a workgroup member for the Mathematics Diagnostic Testing Project (MDTP), a board member for the San Diego NCTM affiliate (GSDMC), and is a recent alumna of Park City Mathematics Institute’s Teacher Leadership Program.

Teresa enjoys listening to the variety of ways students think about and make sense of math when problem-solving and believes that all students deserve to have access to high-quality curricula and instruction. When not working, Teresa enjoys relaxing in a rustic mountain cabin or going camping with her family.

Chrissy N. began her career in education as a middle school teacher and is currently a math specialist at a county office of education in central California. She regularly presents at local and national math conferences on topics including how to develop students’ math language, design opportunities for productive mathematical discussions, and more.

Chrissy is a sought after professional development provider both in her local community and across the country. She is passionate about the #MathGals movement, a project she started with her daughter that focuses on bringing awareness of and opportunities for girls and young women in mathematics. Her hobbies include teaching dance and keeping up with her three young mathematicians at home.

Sean N., Ph.D. received the Presidential Awards for Excellence in Mathematics and Science Teaching. He has published multiple books and articles, is a LearnZillion Ambassador, and has presented at over 40 conferences. Sean is a professor at California State University San Marcos and the American College of Education. Sean is an educator, coach, and liaison in Oceanside, CA.

He has worked with the US Department of Education, White House Office of Science and Technology Policy, National Science Foundation, California Department of Education, Commission on Teacher Credentialing, and Smarter Balanced Assessment Consortium. He was a representative of the USA at ICME-12. Sean is the President and Program Chair of the Greater San Diego Mathematics Council. He consults for various districts at the K–12 level training teachers and administrators. His research agenda includes how teachers negotiate the balance between the procedural, conceptual, and application via technological resources.

Chase O. has worked in math education for 20 years with 12 years of experience in the high school math classroom. He is currently self-employed working with teachers around the country as a coach, collaborator, and consultant. He is especially passionate about using lesson study to foster high-quality and equitable math instruction in the classroom. He believes that math teaching and student learning can only improve if we practice our instructional craft together in the classroom. Chase thru-hiked the Appalachian Trail and when he’s not geeking out about math, he still loves to find joy and peace in the mountains.

Courtney O. is a National Board Certified Teacher and taught math and science in middle schools and high schools across the Bay Area before transitioning to district leadership. She is currently the Secondary Math Coordinator for Oakland Unified School District in California.

Courtney has developed professional learning systems grounded in lesson study, the TRU math framework, and site-based content coaching. She believes that lesson study is an essential collaborative structure that empowers teams of teachers, of all experience levels, to engage in an inquiry that puts the focus back onto students. Outside of her work in education, Courtney enjoys dancing, reading, and spending time with her husband and son.

Mary R. taught high school math and physics in NYC before relocating to the Bay Area, where she currently works as HS Math Specialist for Oakland Unified. She has enjoyed working on several grant projects involving Lesson Study, the TRU Math Framework, and bridging the gap between high school and post-secondary education. Mary focuses on building site capacity while continuing to develop cross site collaboration systems, believing in the power of teams. She is passionate about rehumanizing mathematics and creating environments where students develop agency. Mary enjoys spending time with her friends and family, hiking, playing tennis, board games and telling corny jokes.

Jeanne R. began her career as a mathematics teacher in St. Louis, Missouri, but spent most of her time in California, where she became the on-camera teacher and writer for a videotape series called “Video Algebra”. As the former Director of Secondary Mathematics for the Los Angeles Unified School District, she designed and delivered mathematics professional development dealing with curriculum, instruction, and assessment, with emphasis on reaching all students. As a school site administrator, she led high school mathematics teachers in the development of Common Core Curriculum Units that incorporated the 5 Practices of Peg Smith, and the Mathematical Language Routines from Stanford University.

Jeanne is very passionate about the need to provide access for all students, including English learners, to high quality, rigorous mathematics. This led her to co-found TODOS: Mathematics for ALL, an NCTM affiliate. In her spare time, Jeanne loves to travel and enjoys outdoor sports.

Craig S. has taught high school mathematics in California and Colorado and currently works as a district-level mathematics specialist supporting PreK–12 educators through PLCs and individual coaching. In addition to being a Certified Facilitator, Craig works with Illustrative Mathematics as a designer of professional learning focused on Mathematical Language Routines and a curriculum writer of instructional supports for English language learners.

While earning a Ph.D. in Instruction and Curriculum, Craig developed, facilitated, and researched professional learning experiences through various university NSF grants and K–12 district partnerships. During his post-doctoral work at the Center of Mathematics Education of Latinos/as Craig’s commitment to promoting access and equity through mathematical language development flourished and continues to guide his work today. Outside of his professional work, Craig spends quality time with his family gardening, playing baseball, and beekeeping.

Satinder S. began her career as an elementary teacher and works as a Director of Mathematics for the San Joaquin County Office of Education. Over the past 14 years in her current role, she serves teachers and administrators in 14 districts by helping them implement shifts in math education (in mind and action) through best practices, curriculum, tools, and strategies.

She designs and facilitates positive professional learning experiences for math teachers, coordinators, coaches, and administrators. Satinder finds joy in helping teachers further expand their math education knowledge and passionately educate others to nurture students’ creativity, curiosity, and confidence in math. In her free time, Satinder enjoys yoga, walking her dog, learning new things, reading, and traveling.

Debbie W. began her teaching career 30 years ago as a middle school math teacher, eventually moving up to teach high school, and later leaving the classroom to become an instructional coach. She currently works as a Math Coordinator for the San Joaquin County Office of Education supporting teachers with professional learning opportunities, lesson study, and instructional coaching. At the end of every school year, she scores Smarter Balanced Performance Tasks for CAASPP.

Debbie has a passion for problem-solving and fostering a love of mathematics. She co-founded the San Joaquin Math Teachers’ Circle to help teachers become better problem solvers and enjoys facilitating county-wide math tournaments for middle school students. In her free time, she loves reading novels, kayaking down rivers, hanging out at the beach, and spending time with her husband, daughter, and son.


Heather A. is currently in her 20th year of teaching. Teaching has always been a passion in Heather’s life. She has taught grades K–8 and has been teaching grade 7–8 math for the last 8 years. She has two master’s degrees, one in curriculum and instruction and the other in math education. She was named 2018–2019 Teacher of the Year in her school district. She loves helping students find their aha moment in conceptual learning with mathematics. She spends all of her free time being a baseball mom with her two sons.

Maura D. started her career teaching high school in Massachusetts. After six years at Summit Prep in California, she is now nearing a decade of supporting schools around the country as a math coach. Most recently, Maura was instrumental in supporting middle school math teachers in Colorado move their school from the state designation of “priority improvement” to “performance” as well as improve student achievement by 10 points. She is a skilled math coach and professional development leader, focusing on secondary math curriculum, instruction, and data analysis. Maura is an advocate for fostering classrooms that nurture students to be confident math learners. When she is not helping math teachers be their best, Maura enjoys CrossFit, running, cooking, and riding her Dutch-style bucket bike as much as possible.

Jen O. began her career teaching grades K–5 but after 17 years, Jen decided to take a district math coordinator position supporting grades K–8. She moved back to the classroom, teaching grade 6 for two years, until her most recent role as a math coach in a K–5 school. Outside of her district role, she is active in Colorado’s Council of Teachers of Mathematics as Regional Representative and Conference Chair, facilitates the Add+Vantage Math courses through the Math Recovery Council, and partners with local universities to bring the most up-to-date research in best practices to their district. She considers her efforts to bring more equitable math experiences to all of her students through de-tracking and supporting teachers with rich and growth-minded resources to be the most impactful work of her teaching career. She loves spending time in the mountains with family and friends whenever she has free time.

Julie P. began her career in education as a middle school math teacher. She went on to be part of a team that opened two new campuses on the South Side of Chicago where she was the Math Instructional Coach and then the Principal. She has since moved to Colorado to continue to support school principals and leadership teams in the instructional practices that allow all students to receive the rigorous mathematics instruction that they deserve. She firmly believes that all students can achieve the demand of the standards and that it is our responsibility as educators to provide that for them. In her free time, Julie can usually be found hiking or skiing in the mountains.


Sara B. is currently the K–12 STEM Coordinator at Regional School District 6 (Warren, Morris, and Goshen). Sara was the Grade 1 lead writer for the K–5 Curriculum writing team. She began her 24 year career as an elementary school teacher, and her passion for understanding how children learn mathematics led her to become an elementary Mathematics Specialist. Sara has served as the elementary math leader of the Connecticut Student Achievement Partners Core Advocate Network and as a LearnZillion Dream Team Coach. She believes the key to developing all students’ mathematical identities hinges on fostering positive relationships with students by valuing their thinking, supporting them in their learning trajectory, and asking genuine questions. Sara sees her work with IM as a natural extension of her career goals as a dedicated and passionate mathematics educator. Sara enjoys time with her husband and 3 bullies: Eloise, Bentley, and Bailey. 

Cristina F. began her career in education as a third grade teacher at a project-based charter school in Providence, RI. After teaching in the classroom for many years, she worked as a district elementary mathematics curriculum specialist where she created assessments and curriculum documents, designed and delivered professional learning, and collaborated with other district leaders in order to further the district’s mission and vision as a social justice institution. As an instructional coach, she supports elementary teachers in grades PreK–5 by coaching teachers and grade level teams, leading district PLCs, and using student work and data to improve teacher practice. Cristina believes that high quality and equitable instruction starts with a classroom community that values and respects the contributions of all students, celebrates mistakes, and holds all students to high expectations. When she is not working, Cristina loves to ski, hike, run, and travel with her family.

Lindsey J. started her career in education as an elementary teacher in High Point, NC, and started working as an instructional coach after moving to Connecticut. She currently works as an elementary math specialist for the Capitol Region Education Council Magnet Schools. In her coaching position, she has developed and delivered professional development, analyzed school-wide data to prepare and facilitate data team meetings, and thoroughly enjoys collaborating with teachers to strengthen their craft. Lindsey believes that all students have the ability to learn mathematics and she has committed her career to helping students access their mathematical potential. When she is not working, she is busy with her husband and two children running to dance and soccer and having adventures outside.
Jessica K. began her career in education as an elementary school teacher in Hartford, CT. She has taught students in grades Kindergarten through fifth grade and served as an Instructional Coach in a Kindergarten through 8th grade building. Jessica has also worked at an International Baccalaureate school and focused her work on inquiry for primary learners. Currently Jessica works for a Regional Education Service Center as an Elementary Education Consultant and supports teachers and coaches statewide. She also is the President of Learning Forward Connecticut, and affiliate of Learning Forward. Jessica believes mathematics instruction should be engaging, meaningful and equitable for all students. In her spare time, Jessica enjoys spending time with her friends and family by traveling, spending time outside, and reading.

Kevin L. is currently the K-8 Professional Learning Content Lead for Illustrative Mathematics and Ph. D. student at the University of Connecticut with a focus in Curriculum and Instruction in Secondary Mathematics. He also is the Connecticut Team Leader of the Student Achievement Partners Core Advocate Network. Kevin began his career as a high school math teacher and Secondary Mathematics Curriculum Specialist in Hartford, Connecticut. Kevin’s passion for teaching and learning has also taken him as far as Rwanda, where he works with the Rwanda Teacher Education Program to help design and implement a national teacher training program. In all he does, Kevin is guided by a personal passion for mathematics and a boundless desire to help students and teachers succeed.

Robin M. is currently the Lead Curriculum Renewal Coordinator at EdAdvance, one of Connecticut’s six Regional Educational Service Centers (RESCs). She started her journey 20 years ago as an elementary classroom teacher. Robin’s passion for modeling a growth mindset for students and colleagues as well as an interest in looking for ways to help build an understanding and love of mathematics led her to pursue a position as a math specialist. Over time, she became a K–8 Math Coordinator and then a K–12 STEM Coordinator. She actively participates in multiple organizations such as Core Advocates, Connecticut Council of Leaders of Mathematics, and Associated Teachers of Mathematics in Connecticut. In addition, she loves to share her experiences at various conferences such as ATMNE, NCTM, and NCSM. When not promoting a love for mathematics, Robin enjoys gardening, Zumba, and spending time with her husband, Jared, and children, Evan and Emily.

Lindsey R. began her career as a high school teacher in Manchester, CT. During her ten years in the classroom her experience ranges the span from Algebra I to Calculus. Furthermore, she has spent many years working on data-driven decision making teams to analyze student data and develop plans for intervention. Currently, she is an education specialist with the Capitol Region Education Council Resource Group. In this role, Lindsey focuses her work on supporting teachers of secondary mathematics both in and out of the classroom. Some areas of her work focus on instructional coaching and delivering high-quality professional learning. Lindsey continues to be driven by experiences that make students feel empowered by the mathematics that they are learning. When she is not immersed in her work as an educator, Lindsey enjoys spending time with her family and being a mom to four wonderful children.

Rachel R. began her career as a fourth grade teacher in the Bronx, NY. There, she completed her master’s degree. After four years, Rachel moved to Connecticut and was a founding fourth grade teacher at a charter school in New Haven. In this role, Rachel’s determination to advance the thinking of all students grew, and she became a teacher at a Multiple Intelligence magnet school in Hartford, CT. There, Rachel realized her love of professionally developing and supporting fellow teachers. She currently works as an Elementary Math Specialist in Hartford, CT. Rachel’s favorite part of her job is supporting teachers in building equitable math classrooms that are grounded in the belief that all students can learn. When Rachel isn’t diving into math, she enjoys the outdoors, traveling, and spending time with her husband and their 6-year-old twin girls.

Sue R. began her career in education as a math teacher in a PreK–8 school, and most recently held the position of Managing Director of Professional Learning for a regional education service center. Sue has provided professional learning and coaching to educators in a variety of content areas including mathematics, leadership, equity, assessment, teacher evaluation, culturally relevant pedagogy, and instructional coaching. Sue is committed to building school and district capacity to embrace equity and inclusion by developing knowledge and skills through job-embedded professional learning. She believes that high-quality and equitable math instruction begins with teachers who are comfortable with doing the math themselves, and who appreciate the importance of allowing students access to problem-based learning experiences.

Carla S. began her career in education as a middle school math teacher in Lynwood, California. During her time as a teacher, instructional coach, and school leader at Achievement First in New Haven, CT, she was named a Master Teacher and helped to design the first 6th grade units aligned to the Common Core Mathematics standards used by the network. She’s had the opportunity to develop and deliver in-person and virtual professional development and teacher and leader coaching for schools across the country in her role as facilitator. Carla believes that all students deserve the opportunity to find the joy and wonder in mathematics, and feels privileged to be able to work with organizations whose work aligns with this belief. When she’s not thinking about high-quality mathematics instruction, you can find Carla reading, traveling, or cheering on her son at his soccer games.

Debbie V. began her career as a fourth grade teacher in Arlington, VA, and then became a K–12 math specialist. After a move to Annapolis, MD, she became a K–5 math specialist and eventually the Elementary Mathematics Supervisor.  Now, living in Connecticut, she has been a K–5 math coach for the past 10 years. Debbie has helped to author assessment items at the state and national level as well as worked on the 2005 NAEP Mathematics Framework. She enjoys leading professional learning sessions and working collaboratively with teachers to unpack content and plan rigorous instructional activities.  She is passionate about helping others to find the beauty and joy in mathematics, as well as creating opportunities for all students to have access to high quality instructional materials. When she isn’t teaching, Debbie enjoys spending time with her family, walking with her dog along the Farmington River, playing board games, and reading.

Joanna V. began her career as a fourth grade teacher in Harwinton, Connecticut, followed by six years as a special education teacher. She currently serves as an Elementary Math Coach in Bristol, Connecticut.  In this role, Joanna provides job-embedded professional learning at two schools and curricular support city-wide. One of Joanna’s specialties is collaborating with general and special education staff to provide grade-level, problem-based instruction to all students. She also enjoys facilitating professional learning at the local level as well as state and national math education conferences. Joanna believes that all students, regardless of their background or IEP status, come to school with a wealth of mathematical knowledge. She is passionate about centering students’ voices and ideas in math classrooms, and about empowering teachers to honor these voices in their instructional practice. Outside of education, Joanna enjoys hiking with her family, home renovation projects, and her cats.


Paul D. decided to get into education because he enjoys helping others. He is currently a district mathematics specialist. He has been a member of the Delaware Dream Team as a mathematics educator. He believes that every student is entitled to a high quality mathematics education. Allowing students multiple entry points into a problem provides the opportunity for every student to contribute to the story. In his spare time he enjoys watching baseball, going to the beach, and spending time with his family.

Kristin G. a National Board Certified 21-year veteran teacher of grades 5, 7, and 8, is currently the Elementary Curriculum lead at Illustrative Mathematics and writer of IM professional learning content. She has served as a curriculum writer on the IM 6–8 Math curriculum and Teaching Channel Laureate. Kristin has developed and facilitated mathematics professional learning at district, state, and national levels and presents annually at both the NCSM and NCTM conference. As a teacher, colleague, presenter, and learner, Kristin continuously shares the value of curiosity around student thinking in her planning and instruction. To reflect on her experiences, she blogs and connects with educators on Twitter, @MathMinds. Kristin has a B.S. in elementary education with a concentration in mathematics from the University of Delaware, a M.Ed. in applied technology in education from Wilmington University and is the 2014 Presidential Awardee for Excellence in Mathematics and Science Teaching.

Faith M., Ph.D., is a former secondary mathematics and physics teacher in New York City public schools and a school administrator who currently serves as the Senior Associate Director of the Professional Development Center for Educators at the University of Delaware. She has written professional development materials, taught for over a decade in both traditional and non-traditional teacher certification programs, worked as a mathematics coach, a coach for mentor teachers and coaches, and served as project director for the targeted MSPinNYC. She is immersed the coaching of both practicing and prospective teachers in order to identify and explore how to improve teaching and learning. She is passionate about students and teachers working in high-needs schools in urban and rural contexts, particularly from typically underrepresented groups. She dabbles in woodworking and is always looking for a project to develop her carpentry skills.

District of Columbia

Lauren L. is a grade 7 and 8 math teacher at Saint Patrick’s Episcopal Day School in DC. Before joining St Patrick’s, she was a grade 6 math teacher at Sidwell Friends School for 12 years. Lauren worked for the Algebra Project in Cambridge, MA throughout high school and college; her time as a math literacy worker and Co-Director of the Math Institute influences her work to this day. Lauren graduated from the Master of Arts in Mathematics Teaching and Leadership at Mount Holyoke in 2016. She returns in the summers as a visiting professor to teach the DMI courses. Lauren also holds a M.Ed. from Lesley University through a joint partnership with Shady Hill School’s Teacher Training Course and a B.A. from Emory University. When Lauren is not teaching and learning, she enjoys hot yoga, books on tape, and spending time with her husband and their two sons.


Jacqueline A. began her career in education as a middle school math teacher in Saint Petersburg, FL. Today, as she continues to pioneer through systematic barriers, injustice, and biases, she has dedicated her career to cultivating an inclusive classroom where every scholar can succeed. She is an inaugural writer of curriculum for her local school district, working with an elite team to design culturally inclusive resources and materials aligned to Pre-Algebra and Algebra 1 Honors mathematics standards. She is also a pillar within her school and district in delivering professional development and instructional coaching district-wide in her role as a professional learning facilitator. Jacqueline believes that all students, regardless of their demographic background, deserve access to high-quality curriculum and instruction, and she has committed to aligning with organizations whose work supports this belief. When she is not immersed in her work as an educator, Jacqueline enjoys mentoring, tutoring, and volunteering in her local community and Church.

Alicia C. began her career in elementary education in Sarasota County, Florida. During her time as an Elementary Math Specialist in Sarasota, she lead the district in a mathematical mindset shift and developed the district’s website. Alicia also became president of the Florida Association of Mathematics Supervisors, assisted in the creation of Florida’s B.E.S.T. Standards, and worked with the Florida Department of Education to develop and deliver professional development and instructional coaching state-wide. Alicia believes that all students should engage in meaningful mathematics, learning through equitable, individual and collaborative experiences that promote their abilities to make sense of mathematical ideas, reason mathematically, and develop strong math identities. When she is not immersed in her work as an educator, Alicia enjoys traveling in her Airstream with her family.


LaToya B. began her career in education as a middle school math teacher in Decatur, GA. Currently, she is a District Academic Coach specializing in mathematics at the elementary level. Through coaching, PLCs, and district professional learning, she supports educators who are “doing” mathematics. She has had the pleasure of working with the Georgia Department of Education, reviewing state standards, test development, and data review. LaToya believes that culturally responsive teaching combined with fun, number sense, and conceptual understandings leads to learning for all students. In her free time, she loves to color, play sudoku, travel, and spend time with her son and husband.

Brandy B. began her career in education as a middle school math teacher. She now serves as an academic coach in the Atlanta Metro area. When Brandy was in the classroom, she was a member of the district’s instructional technology team, where she delivered ongoing professional development pertaining to use of technology for math instruction. She has served on the Math Assessment Team helping to revise and develop new assessments for her county. She has presented at the Georgia Educator Technology Conference (GaETC) multiple times, sharing her love of math and technology integration. She specializes in differentiating and personalizing math instruction to meet student needs. Brandy believes that all students can learn, we must meet them where they are, foster the love of math, and teach to mastery. During her downtime she enjoys reading, going to the beach, traveling internationally, and spending time with family.

Timesha B. began her career as a high school math teacher in Clayton County, GA. In 2018, after 15 years of service to public school systems, Timesha started her own educational consulting company, “I’m Mathematically Unique” (AKA “IMUnique LLC”). In her role as a Math Implementation Specialist, she has trained and presented to teachers and leaders across the country. Currently, Timesha is working with the GA DoE in their efforts to revise the GA Math Standards, and create resources to help teachers implement equitable math practices and promote high level tasks that engage young learners. In addition, she continues to work with several districts in the state of GA as a math consultant. Timesha’s passion for math education stems from her belief that EVERYONE can be successful in math given the right training, a little patience, and some grit! When Timesha is not servicing her educational community, she enjoys reading, exploring new places with her family, riding her horse (Goldie), and family movie night.

Nancy K. began her teaching career in Brooklyn, New York as a NYC Teaching Fellow where she was trained under the America’s Choice model. She has 18 years of experience with grades 6–8 math.   Throughout her teaching career she has served as a teacher-leader, mentor, and department chair. Nancy has been in Georgia for most of her professional career where she now serves as a Middle School District Academic Coach. She enjoys presenting at state conferences and connecting with educators across Georgia. Her recent accomplishments include obtaining an Education Specialist degree in Instructional Technology and Leadership Certification. She believes all students are capable of learning at high levels when given the opportunity to engage in meaningful tasks. Nancy takes pleasure in spending time with her husband and two children. Together, they take advantage of outdoor activities in the Atlanta area as well as traveling to visit family in Florida.

Cherelle M. began her career as a third grade teacher in Rockdale County. She is a newly retired educator, last serving as a district curriculum and instruction specialist in Newton County. Cherelle has had the pleasure of serving as Teacher of the Year, reviewing state standards with the Georgia Department of Education, and conducting ongoing professional learning in districts across Georgia. Cherelle believes culturally responsive teaching and conceptual understanding is imperative in order for students to receive the education they deserve. In Cherelle’s free time she enjoys playing tennis, golf, softball, and basketball.

Ashley P., a recovering traditionalist, began her career in education as a middle school mathematics teacher in Columbus, GA. Guided by a core belief that all learners can achieve at high levels, Ashley serves as a K–12 instructional coach, where she develops and facilitates professional learning in the Cobb County School District. During her tenure as an educator she has served on the 6th-grade teacher working committee to revise the common core state standards for Georgia and in 2019 was selected by State Schools Superintendent and Governor of Georgia to serve as 5th-grade team lead for the 2020 Georgia standards revision team. Ashley enjoys curating problems for Robert Kaplinsky and Nannette Johnson’s Open Middle website, traveling, and being with friends and family.

Linda S. began her career as a middle school math, algebra, and programming teacher and has been teacher of the year in two districts, a Georgia Roundtable Math/Science awardee, district-level instructional coach, curriculum specialist, and K–12 math coordinator. She also has developed DOE professional learning, authored CCSSM units, completed the Dana Center Urban Mathematics Leadership Academy, worked alongside the Inside Mathematics team, served national teams such as Achieve EQuIP and LearnZillion, won and managed a six-figure formative assessment professional learning grant, and worked on the initial math curriculum review tool for EdReports. Linda’s passion is social justice and collaborating with educators to ensure that every student has equitable access to the rigorous expectations, aligned content, and engaging instruction that lead to lifelong enjoyment of mathematics. When she is not consulting to support educators, Linda enjoys her chihuahuas, kayaking, and volunteering at Zoo Atlanta.

Kenneth S. began his career as a middle school math teacher in Michigan. He has 14 years experience in the classroom and is currently supporting teachers as an Instructional Math Coach at an elementary school north of Atlanta, Georgia. He has created curriculum and assessment resources for his school district and has created and delivered professional development at the district and state level. He is an expert at guiding student learning through the use of questioning in problem based tasks. Rigorous tasks should be utilized for students at all levels with the teacher facilitating the learning path . Ken believes all kids have a strong curiosity about numbers and patterns. Instruction should lean into this curiosity to build engagement. In his free time, he loves to cook and work on remodeling his home. He and his wife have four kids and a Great Dane, so life is busy and full of wonder!

Belinda T. began her career in education as a middle school math teacher. She has been a teacher of grades 5–9 in Kentucky, California, and North Carolina, an instructional coach in Philadelphia, Chicago, and Washington DC, and a virtual coach for math teachers in New York City. Over Belinda’s 25 years in education she has also spent time as a researcher, professional development writer and leader, and curriculum writer. Attaining National Board Certification in Early Adolescence/Mathematics sparked a career-long interest in learning from student responses to rich tasks, as well as the power of video in reflecting on one’s teaching practice. She is fascinated by the challenges of teaching and learning fractions and algebraic reasoning, and embraces opportunities to learn with and from teachers and students. A fun fact about Belinda is that she once appeared on the Tonight Show reciting the alphabet backwards in under four seconds.

Moniquea W. began her career in education as an elementary school teacher in Austell, GA. After 10 years in education, she transitioned out of the classroom and now supports K–5 teachers in math as an elementary-level academic coach. Throughout her 14 years in education, she has facilitated professional learning sessions in math both domestically as well as internationally while working in the United Arab Emirate of Abu Dhabi. She has also recently authored a children’s book. Moniquea has a passion for ensuring all students receive high-quality and effective mathematics instruction regardless of their zip code. In her leisure time, Moniquea enjoys spending time with family and friends, reading, and traveling the world.


Rebecca H. began her career in education over 25 years ago as a middle school classroom teacher in the New York City public school system. After leaving the classroom, Rebecca has worked as a teacher educator in various capacities – providing professional development, instructional coaching and strategic consulting to districts, charter networks, teacher education programs and individual schools. Now based in Chicago, Rebecca works as an independent consultant to a number of schools in the Chicago region. Her approach supports educators to develop a teaching for understanding, sense-making and inquiry-based approach to instruction. Rebecca is passionate about supporting teachers and students alike to develop a positive math mindset and to experience meaning and joy in the classroom, which is what brings her to the Illustrative Mathematics team.


Anita B. is a doctoral candidate in Curriculum and Instruction of Mathematics Education at the University of Illinois Chicago and a middle school mathematics district curriculum coach. She has worked with students and mathematics education for the past 18 years, focusing on middle and high school mathematics and on the academic achievement and positive self-efficacy of urban students in mathematics. She distinguished herself as a professional development leader in the effective use of curricula such as AgileMind and Eureka Mathematics.

Jeff B. is a teacher educator and educational researcher in central Illinois. Currently a professor of mathematics education at Illinois State University, he is dedicated to building communities of learners and teachers that engage, explore, and enjoy mathematical ideas. Jeff has led teacher workshops for Intel Math and served as co-principal investigator on several NSF-funded research projects to describe learning and improve teaching, including Math Science Partnerships for teaching. As an associate director for a STEM center at ISU, Jeff helps teachers integrate math, science, and technology in creative practices. With over 25 years of teaching experience in middle school, high school, and college classrooms, he enjoys collaborating with teachers to improve mathematical teaching and expand our knowledge of learning. Dr. Barrett’s writing, professional development leadership, and conference presentations express his respect for learning, and his optimism for teaching.

A career changer, Marlene C. began her career in education as a middle school math teacher in Chicago in 2003, after working as an actuarial analyst for many years. She currently works as the Math and Science Team Leader in a suburban school district of Chicago. Her team leader position allows her to provide professional development to teachers, coach teachers, and help students in the classroom. She achieved National Board Certification in 2011. She believes that all students can learn mathematics and is especially talented with working with at-risk students. Marlene is a lifelong learner who works to stay abreast of current research based best practices. When not a work, she loves hanging out with her family.

Annie F. was a classroom teacher for 12 years, instructional coach for 2 years, and now serves as a K–8 district math and coaching coordinator. She is president of the Illinois Council of Teachers of Mathematics (ICTM) and a Desmos Fellow. Annie is passionate about helping teachers and students find joy in math, giving all students an equitable math experience, and using the power of technology to enhance learning. Besides chasing around her two young kids, Annie loves to cook and also knows over 30 digits of pi.

Melissa H. began her career in education as an elementary school teacher in 2007. For the past 8 years, she has been teaching grade 5 math and science in a progressive, public school district in Winnetka, IL. Melissa has played an integral role on her district’s math committee.  Her contributions include writing curriculum, developing growth mindset strategies for all grade levels, strengthening differentiation practices, examining student math identity, and integrating inquiry into classroom practices. Melissa has also led professional development sessions on diverse topics such as the power of number talks, co-teaching with special education teachers, and cross-grades content progressions. Throughout her teaching career, Melissa has developed a passion for teaching and learning mathematics with a focus on cultivating a mathematical community where her students are engaged in mathematics by making sense of problems, sharing ideas with one another, and using critical thinking skills. When she is not teaching, Melissa enjoys spending time outdoors with her family.

Alanna M. began teaching in Chicago Public Schools in the 1990s. Her students learned that math is beautiful and makes sense! After 20 years, she left the classroom to support educators as they grappled with the increased rigor and conceptual understanding required by the Common Core in her role of State Math Specialist. Now at the STEM Center at DePaul University, she works closely with the CPS Department of STEM to support the vision of high-quality math education for all students by providing professional learning opportunities for teachers and district leaders. She is excited to be given the chance to work with educators as they think deeply about ways to provide truly powerful math instruction. She believes that everyone is a math person and works to support teachers and students as they develop positive math identities. She finds joy in connecting with people and places around the world.

Carrie O. began her career in education as a high school math teacher with Chicago Public Schools. During her time as a mathematics teacher she taught every course from double-period algebra to BC Calculus. Through teaching a variety of students she realized that they all had one common trait, wanting to do well, have fun, and be valued. After moving from the classroom, Carrie developed her craft as an instructional coach where she had the opportunity to support many Chicago teachers in implementing the CCSS content and practice standards. She has designed and implemented professional learning in many contexts and enjoys working with adult learners to create experiences that benefit teachers and students. She believes that all students deserve access to high-quality curriculum and instruction and thus was excited to partner with IM as a content writer and PL provider. When not immersed in her work as an educator, Carrie enjoys spending time with her 9-year-old son and husband, reading chick-lit, running with her puppy, and the summer months in Chicago or chasing the sun throughout the winter!

Cathy S. began her career teaching middle school and currently is a consultant and math coach for several public school districts in Illinois. She served on the state committee to develop and deliver professional development of the Common Core State Standards. Her vast experience and training in mathematics, assessment, and differentiation has been shared with schools and teachers in the Midwest. The greatest accomplishment is when students tell her “You should be a math teacher!” Her passion is to help all students develop their math power, to see mathematics as useful and fun! In her free time, Cathy loves spending time with her grandchildren and riding her horses.

Christy V. began her career as a middle and high school math teacher in the suburbs of Chicago, IL. Currently she is the Director of Mathematics and Science for grades 6–12 in a large diverse suburban school district. During her time as a high school math department chair she obtained her National Board Certification. Christy is passionate about challenging the traditional thinking that students learn best by watching and memorizing because she believes that every student deserves the opportunity to question, wonder, and analyze tasks that they are presented with in order to make connections on a day to day basis.  When taking a break she enjoys swimming, biking, running and spending time with her family.


Karen S. began her 16-year career in education as an elementary school teacher, earning the Missouri State School Board Outstanding Beginning Teacher award in her second year of teaching. Trained through the Kansas Coaching Project led by Dr. Jim Knight, she served as an instructional coach (K–8) for six years in Kansas City before moving to Indianapolis. After earning an Ed.S in Curriculum and Instruction, Karen is now the Director of Curriculum and Instruction for K–12. Her experience includes designing and facilitating math workshops for K–5 teachers and serving as part of the mathematics assessment item writing and review team for the Indiana Dept. of Education. Karen is an advocate for empowering students and fostering a love of mathematics. She loves supporting teachers in their own mathematical growth to create equitable and engaging math experiences. In her free time, Karen’s interests include travel, running, church activities, golden retrievers, and time with friends.


Devin D. began her career in education as a middle school math teacher in Des Moines, IA, teaching ELL students. During her time there, she found her passion for helping students of all backgrounds succeed in the math classroom. She has also helped develop and deliver professional development on aligning math instruction and interventions to the standards as a grade 4 teacher. Most recently, she has worked in her district as an Instructional Coach on creating IEPs that are written around standards and skills to help all students succeed. Devin believes that all students, regardless of their circumstances, deserve high-quality curriculum and instruction from their educators, and has worked closely with her colleagues to help them gain confidence in doing this. When she is not busy in her work as an educator, Devin enjoys coaching her high school dance team, training for marathons, and traveling to Disney World with her family.

Kelly G. began her career as an elementary educator in Sioux City, IA and Eau Claire, WI, where she served as a grade 4 teacher and mathematics instructional coach. Currently, Kelly works as a School Improvement and Math Consultant at Central Rivers Area Education Agency in Cedar Falls, Iowa, where she supports school leadership teams in designing and implementing action plans. She facilitates professional learning based on best practices in mathematics, instructional coaching, school improvement, growth mindset and social-emotional learning. Kelly believes that when environments are created that allow students to create, inquire, and miscue through problem-solving, students are able to gain skills to prepare them for an unpredictable future that extends far beyond just content standards. Though Kelly’s first degree was in Literacy, she quickly learned that her passion for developing the whole child was much better exercised within the mathematics environment. When she is not teaching or considering innovative approaches for empowering learners she enjoys running, kayaking, and biking with her family and watching her four children compete in sports.

Michelle J. began her educational career as an elementary classroom teacher in Goose Lake, Iowa where she taught second, third, and fourth grade. She currently works as a Math and School Improvement Consultant in eastern Iowa and teaches several courses at Upper Iowa University as an adjunct professor of education. She specializes in delivering professional learning for teachers based on mathematics, PLCs, MTSS, and social-emotional learning focusing on trauma-informed practices. Michelle is passionate about supporting the mathematical pedagogical knowledge and practices of teachers in the areas of academic safety, effective facilitation, and high-quality tasks which in turn foster positive perceptions of mathematics for students where they see themselves as mathematicians. When Michelle is not busy supporting teacher education students and current classroom teachers, she enjoys spending time with her husband and children, reading, bow hunting, traveling, and being on the lake.

Angie S. taught both elementary and middle school math and currently serves schools in southwest Iowa as a math consultant. While teaching at Nodaway Valley CSD she participated in a teacher action-research study to analyze instruction and mathematics discourse for a NSF research project with Iowa State University Mathematics Education Department. She contributed a chapter for a major publication for NCTM describing her action-research project. She was also a 2001 Presidential Awardee for Excellence in Mathematics Teaching. Angie believes that high-quality instruction, high-quality materials, and strong relationships are the essential elements for improving instruction so that all students are successful in learning mathematics. When she’s not working, Angie enjoys concerts and traveling.

Sandra U. began her career as a grade 7 and 8 mathematics teacher in Des Moines, IA. After two years in the middle school classroom, she taught math education classes at the University of Northern Iowa for over 20 years and then worked as an Area Education Agency Mathematics Consultant for eight years. Sandy has delivered professional development courses to Department of Defense teachers in Hawaii, Japan, and Guam. She has also co-developed multiple professional learning courses for the Iowa Department of Education and facilitated classes with preschool through grade 12 teachers in Iowa. She believes all students can understand and enjoy mathematics when given opportunities to engage in rich tasks and meaningful discussions. Besides working with mathematics teachers, Sandy enjoys spending time with her family, serving in youth ministry, and riding horses.


Chasity G. has been a middle grades math teacher since 2011. She has taught all middle grades, but has a particular love for grade 7 math and Algebra 1. She is currently teaching IM to her seventh graders and loving it! Chasity has spent the last three years working with teachers of all content using technology tools and proper techniques to transition classes into the new wave of education. Chasity graduated with a B.A. in Accounting and an M.Ed. in Middle Grades Math from University of Louisville. She is the Vice President of Middle Grades for the Kentucky Council of Teachers of Mathematics, a Core Advocate, and also very active on Twitter. In her free time, Chastity loves to hike her way through national parks, take road trips, eat at locally owned restaurants, and cheer on U of L athletics!

Elisabeth R. is a K–12 Math Instructional Coach for Jefferson County Public Schools in Louisville, Kentucky. Before becoming an educator, she worked for a regional bank as a project manager and corporate trainer in Cincinnati, Ohio (Go Reds!). She is a National Board Certified middle school math teacher and spent 11 years in the classroom. Elisabeth has presented professional development on using powerful math practices in the classroom at regional and local conferences. Passionate about providing all students with high-quality materials and helping them discover the joy of mathematics, she is currently pursuing her Ed.D. in Educational Leadership at the University of Kentucky. Elisabeth is the proud mom/bonus mom of five and has been known to conduct a Number Talk at the dinner table!

Joe S. began his career in Cincinnati, Ohio and has taught kindergarten, 2nd grade, and 5th grade. His current role is an instructional coach in a suburban district in Cincinnati. He has been awarded the Myrtle Miller/Marijane Werner Award Elementary Math Teacher of the Year through the Ohio Council of Teachers of Mathematics. He is passionate about allowing students to share their thinking and making a stage to showcase students understanding. Joe truly believes all students regardless of background and ability can learn and make growth in their learning. He is also a believer in giving time for students to self-reflect on their learning. Joe enjoys traveling and seeing new places, and also enjoys running, swimming, and cycling!

Tiffany W. began her career in education as a middle school math teacher in 1999. Since then she has led mathematics instruction in both teacher and administrative roles for over 20 years. Most recently, Tiffany has served as an elementary principal for a National Blue Ribbon School. As both a teacher and observer of mathematics education, her passion is built around students truly understanding numbers, their connection to each other, and the world in which we live. When she is not working on developing “mathletes,” she enjoys traveling, reading, and camping lakeside with her family.


Greta A. has been teaching and supporting mathematics in New Orleans, Louisiana since 2005 and has a Master’s of Education in instructional leadership in mathematics. Greta has also been working on the Illustrative Mathematics team as a task writer and reviewer since 2012 and is an alumna of Park City Mathematics Institute and the Dana Center’s International Facilitation Fellowship. She now works as a Professional Learning Facilitator for the 6–8 Illustrative Mathematics curriculum and with Achievement First in helping schools around the country adopt math story problem protocols grounded in the 5 Practices for Orchestrating Productive Mathematics Discussions. Greta believes that all students and teachers can fall in love with mathematics given the right tasks. Outside of her work in mathematics, Greta plays volleyball, gives her dog belly rubs, and enjoys the endless beauty of New Orleans.

Robin C. is a Math Curriculum Coordinator for DeSoto Parish Schools in Louisiana where she develops and provides professional learning opportunities for K–12 math teachers in her district. She works on alignment of mathematical standards in all grades and provides feedback and support for teachers and administrators. Prior to that, she spent eight years as a TAP Master Teacher, focusing on math teacher support in grades 6–12. Her love of mathematics and student success began in the classroom teaching a combination of grade 8 math, Algebra 1, Geometry, Algebra 2, and advanced math. Robin has a B.S. in Secondary Education from Louisiana Tech University with certifications in 6–12 mathematics and business education.

Bronwyn G. began her career in education as an elementary school teacher. She taught Pre–K, 2nd and 5th grade students. She transitioned into teaching 8th grade math and became a math content leader for grades 3–8. Currently, Bronwyn is the 6–8 math coach at a charter school in New Orleans, LA. During the beginning of the pandemic she worked with School Kit Group as a Content Writer and adapted Illustrative Mathematics’ grade 8 lessons for School Kit’s video learning series, which partnered with Louisiana Public Broadcasting and PBS. In addition, she also recorded many of the grade 8 video lessons for the project, which helped to support distance learning across Louisiana and beyond. Her passion for math stems from her experience with both private and public schools in New Orleans and the inequitable access to highly qualified math teachers within the public school system. She sought to use her BS in mathematics to provide high-quality instruction to underserved students in her city. In her spare time, Bronwyn enjoys spending time with her family and friends, traveling, and catching up on her latest shows.

Latrenda K. began her teaching career as a Kindergarten teacher and is currently an Elementary Mathematics Instructional Coach in Baton Rouge, LA. She has been an educator for more than 30 years during which she has been a classroom teacher, an elementary science specialist, and an elementary mathematics coach. Latrenda is firm believer that all students should experience engaging, high-quality, inquiry-based mathematics instruction. As an active member in many professional mathematics organizations, she often attends professional conferences to extend her learning and to share her passion for equitable mathematics practices with colleagues by facilitating professional learning sessions. Latrenda is also a past member of the NCTM (National Council of Teachers of Mathematics) Board of Directors. In her spare time, she enjoys, being the “field trip” aunt to her niece and nephew, reading mystery books, attending concerts with her sisters, and traveling.


Sarah C. has been a teacher for sixteen years. She spent the first six of those years living on an island off the coast of Maine and teaching in a K–8 one room schoolhouse. Then, Sarah taught grade 4 for four years. She has been in her current position as K–12 district math coach/coordinator for seven years. Sarah graduated with a B.A. in English from Hofstra University and an M.Ed. from Antioch New England Graduate School. She has a certificate of Math Leadership from University of Maine, Farmington.

Jason G. Jason began his career in education as a high school mathematics teacher focused primarily on teaching Algebra 1. For the past ten years, he has been the mathematics education consultant for an ISD. He recently completed his Ph.D. in mathematics education, and previously, Jason served for several years on the board of directors for NCSM: Leadership in Mathematics Education as a Fall Seminar Director and Regional Director. During that time, he had the honor of serving on the writing team for NCSM Essential Actions: Coaching in Mathematics Education. His specialties are in curriculum and instruction in mathematics, grades K through 12. Jason’s most powerful mathematical experiences have been in collaborative problem-solving situations, exchanging ideas and conceptualizations with others. He especially likes when someone has a way of attacking a problem that he would never have thought of. He absolutely loves reading and SCUBA diving in his spare time.

Alexandra L. began her teaching career 23 years ago as a Head Start teacher in New York City while completing her MA in Bilingual Education at Teachers College, Columbia University. For the past nine years, she has been a math coach and interventionist at Riverton, a Portland school with a student body that includes many recent immigrants. Having grown up in Mexico, Alex has always been drawn to students from other cultures, and at Riverton she has the welcome challenge of figuring out how best to help students succeed in math class despite very basic English skills or interrupted schooling. Alex has been excited to witness how the Illustrative Mathematics curriculum engages her students in challenging, grade-level math. When not at Riverton, Alex enjoys reading, cross-country skiing, watching her children’s basketball games, and learning how to quilt.

Kelley N. began her career in education working for 10+ years as a classroom teacher in the primary grades. As her interest in mathematics instruction evolved, she worked as an interventionist in grades 3, 4, and 5, which led to a mathematics instructional coaching position, K–5.  Kelley has first-hand experience coaching teachers at her home school in Portland, ME, who participated in the Illustrative Mathematics K–5 Math alpha pilot. Working with teachers and students in the alpha pilot has proven to be an incredibly rewarding experience for her, witnessing teachers grow in their facilitation of problem-based learning and watching young students think and reason as mathematicians. Kelley loves playing cribbage, paddle boarding, traveling, and spending time with her family. 

Nancy S.  began teaching preschool when her youngest daughter was 2 and eventually became a special education teacher before becoming a classroom teacher almost 20 years ago. She has taught in all grades from PreK to 7, including being a middle school math and science teacher in Taiwan. Nancy has been a math coach and interventionist in Portland, ME for almost 5 years and continues to learn more about what deep and rich mathematical coaching and instruction is all about. Nancy has always had a love of math and enjoys working with elementary teachers on classroom instruction and developing a deeper understanding of Common Core Math Standards as well and building good instructional routines and practices. When not working, Nancy enjoys reading, cooking, and traveling. Two years ago she spent the whole summer driving 13,000 miles around the United States. 

Bianca W. began her career in special education, then transitioned to primary and intermediate elementary grades, spending the bulk of her experience as a grade 4 teacher. For the past few years she has been the Math Coach in Portland, ME, supporting the implementation of the Illustrative Mathematics alpha pilot. Bianca recently accomplished a masters in Literacy, supports the implementation of Illustrative Mathematics and professional learning at Rowe Elementary, is a mentor for University of Maine students and Portland employees, and is the Math Team Coach for 4th and 5th graders. Working in an asylum city in a school district with over 60 languages spoken, Bianca believes in equal opportunity for all students to access high-quality education. She believes that a diverse community of learners fosters compassion and academic excellence through community partnership and collaboration. When Bianca is not immersed in fulfilling her duties as a math coach, she enjoys watercolor painting, gardening, reading, and exploring the great outdoors with her two children, Aria and Ian, and husband, Ken.


Dr. Linelle B. began her teaching career in elementary education. She has taught all grades K–5 and has served as a district math academic coach and a state trainer in K–12 mathematics. She is the founder of S.T.E.A.M. Girls Rock, a mentoring program for teen girls to develop their skills in science, technology, engineering, art, and mathematics. Dr. Brunson is passionate about equity in mathematics and believes that all children are mathematicians. Her favorite hobbies are traveling and reading.

Patricia E., while volunteering at her daughter’s school in 2010, made the decision to leave a 16-year career in corporate finance and dive into her passion: education. Over these past ten years, Patricia has earned her Masters in Education, supported ESL students at her community’s school and been a third grade teacher at The Potomac School in McLean, Virginia. Before becoming a full-time instructional coach and tutor, Patricia was an early elementary math coordinator at Potomac, where she supported students and coached teachers. Patricia is passionate about developing flexible problem solvers with a depth of understanding and a willingness to share their mathematical thinking from an early age. Children learn best through constructing understanding in a social setting and she believes every child deserves to receive such high-quality math instruction every day. Patricia speaks Spanish and studied in Salamanca and walked El Camino in 2019.

Jennifer M. has been a mathematics educator and educational consultant for over 20 years. She has taught 6–12 mathematics in the Howard County Public School System and currently serves there as a secondary math instructional coach. Jennifer completed her undergraduate degree in mathematics education at Penn State, and went on to study at both Towson and Johns Hopkins for her graduate work. She is a speaker at MCTM and regional conferences, and has served on the state educational data board. All students can learn mathematics, and Jennifer is passionate about giving them access to high-quality instruction. Outside of education, she participates in dog sports and 4-H activities with her family.



Lauren G. began her career as a grade 5 homeroom teacher in Chestnut Hill, MA. After teaching middle school math for several years, Lauren returned to elementary education and took on her current role as a math specialist working with teachers and students across K–5. She recently completed a second graduate degree in K–8 Mathematics Teaching through Mount Holyoke’s Math Leadership Program. Lauren has led a range of math workshops for teachers and parents and helped plan and deliver professional learning events for a network of other math specialists in the Boston area. Lauren believes that all students are capable of understanding mathematics deeply when they are given the opportunity and time to explore concepts and discover meaning, and with teachers serving as facilitators along their learning journey. When she is not immersed in her work as a math educator, Lauren enjoys reading, cooking, and spending time with her family.

Jen H. is the Alpha/Beta Pilot Coordinator for the Illustrative Mathematics Elementary Curriculum project and a freelance math consultant. She has a B.A. from the University of the Virgin Islands in elementary education with a concentration in mathematics and an M.A. from Mount Holyoke College in teaching mathematics. She has worked as a teacher (12 years) and as a math coach (5 years) in elementary schools and middle schools in both the Caribbean and in Massachusetts. For a number of years she left the classroom to focus on her passion for assessment, working at the Massachusetts DESE on the Mathematics MCAS test, first as a test developer and then as the administrator. She believes mathematics is the language of quantity and shape that everyone, with the right resources and support, can appreciate and enjoy. She loves to travel, collect vintage wares, and dance to great music.

Nancy J. began her career teaching high school mathematics immediately after graduating from Skidmore College. She went on to work with teachers and students as a mathematics curriculum director and instructor for 7–12 mathematics. Most recently Nancy has been designing and giving workshops on integrating purposeful technology into the mathematics curriculum and in so doing promote discovery, curiosity, discussion, and deep understanding. Nancy has received several awards for teaching including the Presidential Award for Excellence in Mathematics and Science Teaching state finalist, as well as awards for innovative teaching and learning. Nancy’s focus on mathematics education has always been to invite all learners to enjoy using mathematics and to assist teachers and students on their mathematician’s journey. Besides continuing to learn with and from others, Nancy enjoys the company of her 8 grandchildren, walking in the woods with her three golden retrievers, reading, swimming, and skiing.

Jenna L. is currently a math specialist at the Driscoll K–8 School in Brookline, MA. She started her career as an upper elementary classroom teacher and later became a math coach. She is grateful to have wonderful colleagues—at her school and in the larger community—to share in the pursuit of equitable learning environments. Jenna enjoys collaborating with others to develop content knowledge, pedagogical strategies, and infinite curiosity for mathematical thinking and learning. She has developed and facilitated professional learning at local, state, and national levels. Jenna is the 2016 recipient of the Harry S. Levitan Prize for Educational Leadership from Brandeis University.

Maureen O. is in her twenty-third year of teaching at the Paul F. Doyon Memorial School in Ipswich, MA. For the past five years she has served as Math Specialist. Prior to that she taught grades 2 and 3. She is an IM K–5 Math alpha pilot teacher and coach who is dazzled by the impact of the curriculum on students’ math understanding and discourse. She has an A.B. from Smith College in Education and Child Study and her M.A. in Education of the Deaf and Hearing Impaired from Gallaudet University where she worked as a training specialist. She is an eternal optimist, a life long learner, autism advocate and proud mother of two. When she’s not on beautiful Crane Beach, Maureen is dedicated to making math irresistible through high-quality and equitable instruction.

Rosanne O. began her career in education as an elementary teacher and assistant principal in Plymouth, MA. She earned an M.Ed. in School Leadership with a focus on Curriculum and Instruction. Later, Rosanne moved to educational publishing, which led to working with UCSMP authors and the start of Everyday Mathematics K–6. As a field associate, she wrote and conducted promotional presentations,  implementation trainings, follow-up workshops, administrator overviews, user-conferences, and other topical sessions. Through this work, Rosanne experienced how quality instruction does make a difference. Later, as the Everyday Mathematics specialist at McGraw-Hill, she continued to support EM in the same capacity. Currently, Rosanne works as an independent math consultant, committed to helping elementary teachers change the way they view and teach mathematics. She believes that all students can learn to understand and appreciate mathematics if it is taught how they learn. Rosanne’s interests are gardening, cooking, and spending time along the coast of New England.

Dr. Molly R. is currently a K–5 Math Coach/Specialist in Lexington, MA. She began her career as a middle school math teacher in New Hampshire and then taught and coached in northern Virginia. Molly has developed and facilitated mathematics professional learning at district, state, and national levels. She enjoys collaborating with others so that all students experience mathematics in ways that encourage connections, sense-making, and joy. She is passionate about all students developing positive identities as problem solvers and mathematicians. 

She earned a B.S. in elementary education with a concentration in mathematics from SUNY Geneseo, a M.Ed. in educational leadership from University of Southern Maine, and a PhD in mathematics educational leadership from George Mason University. Outside of her work as a math educator, Molly enjoys gardening, walking, doing puzzles, playing board games, and spending time with her family.


Denise B. began her career as a mathematics teacher, expanding her experiences to include building administrator, PK–12 mathematics consultant, and US Math Recovery Facilitator. Denise served on the board of directors for NCSM: Leadership in Mathematics Education as a Fall seminar director, awards chair, and had the distinct honor of serving on the writing team for NCSM Essential Actions: Coaching in Mathematics Education. Denise’s specialties lie in the areas of curriculum, instruction and assessment, grades Pk–12 where she has served on the board of directors for the Michigan Assessment Consortium and Michigan Early Mathematics Taskforce. Denise’s passion lies in developing and facilitating professional learning, immersing mathematics educators in content and pedagogy that enriches their abilities to facilitate learning for all students and supports them as leaders in their respective roles. Denise’s hobbies include traveling, spending time outdoors, and enjoying time with her family.

Jason G. began his career in education as a high school mathematics teacher focused primarily on teaching Algebra 1. For the past ten years, he has been the mathematics education consultant for an ISD. He recently completed his Ph.D. in mathematics education, and previously, Jason served for several years on the board of directors for NCSM: Leadership in Mathematics Education as a Fall Seminar Director and Regional Director. During that time, he had the honor of serving on the writing team for NCSM Essential Actions: Coaching in Mathematics Education. His specialties are in curriculum and instruction in mathematics, grades K through 12. Jason’s most powerful mathematical experiences have been in collaborative problem-solving situations, exchanging ideas and conceptualizations with others. He especially likes when someone has a way of attacking a problem that he would never have thought of. He absolutely loves reading and SCUBA diving in his spare time.

Kristine H. began her career in education over 25 years ago as a high school mathematics teacher in Utica Community Schools, MI where she also held the leadership role of system-wide chairperson.  She is currently a K–12 mathematics education consultant for 226 public schools Macomb County, MI, serving 125,610 students. She develops and facilitates professional learning for mathematics educators and administrators in any capacity that advances STEM education at local, county, and state levels. She is passionate about uniting teachers vertically, across grade levels and across all content areas. Her goal is to provide long-term and ongoing change in classroom instructional strategies that raises student achievement.  During her time away from education, she is passionate about spending time with family and friends.

Melissa J. has been teaching math in Toledo, Ohio, since the beginning of her career. After spending many years teaching middle school math, she became a mathematics instructional coach—a role in which she still serves. As a math coach, Melissa has received extensive Thinking Mathematics training from the American Federation of Teachers (AFT), now serving as national trainer for AFT’s Thinking Mathematics 6–8 course. Melissa has a passion for learning, currently working on her dissertation in Educational Technology with a focus on mathematics. When she’s not teaching, Melissa enjoys cooking, running, and being a mom to her three children.

Lea M. began her career as an elementary and middle school teacher in Clinton Township, Michigan. After teaching for 19 years, Lea left the classroom to become a mathematics consultant with the Macomb Intermediate School District. In this role, she has the opportunity to work with teachers and students in all of the twenty-one districts in Macomb County. She has facilitated professional development around a range of mathematics topics including number talks, mathematical mindset, and Add+Vantage Math Recovery courses. Lea is passionate about making mathematics accessible to all students and all students seeing themselves as mathematicians. In her free time, she enjoys spending time with her husband and two daughters, reading, and enjoying the outdoors.

Mary M. began her career in education teaching 8th grade mathematics. She is currently a district mathematics coach for Kalamazoo Public Schools, supporting K–12. She is proud of her work as a district math coach, providing teachers with innovative and engaging ways of teaching mathematics through modeling, professional development, and curriculum writing. Top on her list of career highlights is traveling abroad to provide professional development for teachers of DoDEA schools (Department of Defense) as they transitioned to the Common Core. Mary is passionate about mathematics education because it is a gatekeeper to so many future endeavors for students and she believes that it is attainable for every child. One fun fact about Mary is that the DoDEA math training she facilitated was the catalyst for her international travels. She has now visited seven countries and continues to plan trips abroad.

Sarah P. graduated from Grand Valley State University with a degree in Elementary Education and Mathematics. Upon graduating, she started her career as an AVMR Math Recovery certified K-5 math interventionist. From there, she taught 3rd grade for 1 year before joining the East Grand Rapids Public Schools team, teaching 6th and 7th grade math using the Illustrative curriculum. She completed her Masters in Educational Leadership in 2020 and started a 2nd Masters program in Curriculum and Instruction. She gave a TedTalk titled “Mindset Matters” in 2018 as students’ positive math mindsets are her biggest passion and focus. When not in the classroom, Sarah enjoys spending time traveling and hiking around the country’s National Parks.

Danielle S. began her career teaching high school math and physics in Kalamazoo, MI. She had the privilege of consulting with the Charles A. Dana Center in Austin, TX where she co-authored the Academic Youth Development program, seeking to transform mathematics education for students. Later, Danielle returned to Michigan as a regional mathematics consultant and coach. Danielle currently serves as lead consultant and instructional coach for Bold Educational Consulting, focused on supporting educators and their administrators, across the region, state, and nation, in recognizing and removing inequities in students’ educational lives to help realize the power of mathematics for all students. Danielle is committed to further developing her abilities to recognize, respond to, and remove biased, racist systems within her spheres of influence. One of Danielle’s hobbies is home design and renovation. You might just find her with a sledgehammer, knocking down walls, next time you see her.

Danielle V. began her career in 2003 as a middle school classroom teacher, teaching grades 6–8 and Algebra I in Mathematics and also English Language Arts. Currently, she is a Mathematics Instructional Coach for the Muskegon Area Intermediate School District.  She has earned a Masters Degree in School Leadership, has served on numerous committees, and presented at local, state, and national levels on mathematics instruction, differentiation, formative assessment, School Improvement/MTSS and school climate and culture. Danielle’s passion is driven in building communities within mathematics classrooms that support and encourage student equity and identity, while also engaging students in high-quality problem solving and reasoning through student-centered discussion-based lessons. In Danielle’s spare time she is an avid runner, loves spending time with family and friends, and just relaxing watching movies.

Shawna V. has proudly taught elementary school in Detroit, junior high in Utica, and for Armada High School in special education and general education roles. Currently, she serves as a special education and mathematics consultant for Oakland Schools and teaches Detroit by the Numbers, a quantitative literacy course, at Wayne State University. She provides professional learning, coaching, and consultation around math instruction, co-teaching, Universal Design for Learning, and assessment and is committed to making meaningful mathematics accessible to all students. Shawna is enthusiastic in supporting teachers as they refine their practice and understands the challenge of skillfully teaching multiple subject areas. She loves to hear aha’s and ooh’s as students and teachers find joy in a mathematically delicious moment. Shawna is a fan of public libraries, enjoys modern art (especially Calder mobiles), and spends her Sundays scratch and batch cooking for her family.


Barbara E. is an experienced transformational leader and equitable educator with 29+ years of teaching, coaching and supervising experience in greater Twin Cities region. She is goal-oriented, proactive, collaborative, and client-focused. She has been recognized for meeting teachers’ and students’ professional and educational objectives, specifically in mathematics classrooms. Barbara inspires those around her to collaborate, share and leverage best practices and embrace new ideas. In her free time, She enjoys the outdoors, specifically on, around, and in the lakes in Minneapolis. Her children are launching into the world and she is excited about what the future holds for them and herself.

Sara V. is a National Board Certified Teacher who taught middle and high school mathematics for Minneapolis Public Schools for 26 years, with 5 years leading K–12 mathematics for the large urban district. Currently, Sara consults with schools and districts around the United States on topics connected to English language learners, engagement and discourse strategies, and teaching student reasoning as students engage in the concepts and big ideas of mathematics. Outside of her work with teachers and leaders, Sara is involved in state and national math teacher councils and engages daily with the online community of teachers. Sara frequently writes about mathematics teaching. Her current passions in teaching are incorporating movement into the mathematics classroom and developing positive student mathematical identities.


Liza B., Ph.D. began her career in education as a 7–8 math teacher and is currently an Associate Professor of Mathematics. Liza’s research focuses on the beliefs, practices, and tools that contribute to mathematics teacher effectiveness and large-scale data analysis. Liza is the president of the Mississippi Association of Mathematics Teacher Educators professional organization. She has written and edited curricular materials for Illustrative Mathematics, CK–12, and LearnZillion. She also has experience facilitating professional learning with the Math Science Partnership, LearnZillion, Illustrative Mathematics, and Math Teachers’ Circles. Liza has published two articles in NCTM Mathematics Teacher and regularly presents at NCTM conferences. Liza was the recipient of the John Wiley & Sons 2018 Best Overall Course Award (Higher Education). Outside of her professional work, Liza enjoys crafting, exercising, and spending quality time with her family.


Catherine C. started her career in education as a first grade teacher in Springfield, MO. Catherine has spent her career working with Title 1 schools as a classroom teacher, instructional numeracy coach, and Math Recovery intervention specialist and now serves as a K-12 math coordinator. Catherine has presented at state and national conventions on topics ranging from open tasks to arts integration. Catherine is passionate about helping students see math as a creative and collaborative experience by finding new ways to engage students in sense making through deep conversation and sustained exploration. She believes that all students deserve access to high quality mathematics instruction and continues to advocate for equity in mathematics instruction to insure all students see themselves as mathematicians and are provided the opportunity to follow their chosen career path. Catherine loves to travel and spend time in and around the ocean with her boys.

Kristen T. has been a teacher, instructional coach, curriculum coach, assistant principal, and a principal in urban districts and charter schools. She is currently an instructional coach who works with teachers and administrators to ensure that they are working for the benefit of all students in their care every day. Kristen has supported teachers at all levels in PreK through 12 and administrators at the PK – 8 grades. Kristen knows that as a math teacher the hard work is important, but all work doesn’t have to be hard. As a human being, Kristen loves to travel, hang out with fuzzy friends, and read fiction.


Lei-Anna B. began her career in education as an upper elementary teacher of a multi-age classroom in San Jose, California in 1989. Since then, she has been a classroom teacher in grades K–8, instructional coach, curriculum specialist, education consultant, facilitator trainer, outreach coordinator, and adjunct faculty. She holds degrees from Santa Clara University, San Jose State University, and a Master of Science degree in mathematics education from Montana State University.

Her career has taken her from inner city schools in California to the rural communities of South Carolina and reservation towns of Montana. With each position and project, she has been guided by the principle that all students need access to high quality resources and instruction in an environment that nurtures a growth mindset. When not immersed in mathematics education, Lei-Anna loves to volunteer in her community and spend time with her husband and three kids exploring the backcountry of Montana.

Melissa R. began her teaching career as an elementary educator in Helena, MT. She is the 2018 Montana Teacher of the Year serving as a spokesperson and advocate for the teaching profession. She’s also the 2012 recipient of the National Science Foundation’s “Presidential Award for Excellence in Mathematics and Science Teaching” (PAEMST), acknowledging her accomplishments as an exemplary mathematics teacher. She’s developed and delivered professional development and instructional coaching nationwide in her roles as an educator and instructional coach. Melissa believes all children deserve a quality education and is passionate about advocating for educator access to resources needed to support students’ achievements.  A fun mathematical fact about Melissa is that she is a mirror image identical twin—she and her sister have reverse asymmetric features. When she is not delivering professional development, Melissa enjoys hiking, backpacking, and spending time with her family. 

Lisa S. began her career in education teaching high school and middle school mathematics in Joliet, MT. She also served as a mathematics teacher, curriculum and assessment director, and mathematics coach for Billings Public Schools. Lisa was the Math/Science Grant STREAM Project Manager for seven years and is currently a mathematics education consultant. She has provided professional development in mathematics, assessment, and other topics nationally over the past twenty-five years.

Lisa believes in equitable mathematics education for all students and has passionately pursued working with organizations that support this belief. Lisa served as President of the Montana Council of Teachers of Mathematics, on the Affiliate Services Committee for NCTM and the board of directors for NCSM. She earned the Presidential Award for Excellence in Mathematics Teaching in 2002. Lisa enjoys spending time with her family at their cabin in the mountains, hiking, riding ATVs, snowmobiling, and boating.


Mina H. began her career in education as a middle school mathematics teacher in Piscataway, NJ. She coached teachers and leaders on the east and west coast, and now serves as the Director, Great Schools Portfolio with Opportunity 180 serving kids across the state of Nevada. Mina’s specialty is helping people identify and develop their strengths, then strategically applying them to result in positive change for the community. Mina has seen how the lack of consistent high-quality materials, systems support, and equitable math instruction perpetuate the opportunity gap. She is committed to doing her part to ensure every student has access to high-quality, equitable instruction so that adults no longer meet students where they are, rather where our students dream themselves to be.

Dr. Amy W. is an advocate for aligned, quality mathematics instruction and materials and an advocate for teachers. She spends her time supporting college- and career-ready standards-based instruction. After 18 years in the classroom, and four years as a regional trainer in mathematics, Amy worked as the founding Director of Mathematics at She continues to support the implementation of aligned curriculum and to support educators as they shift their instruction. When she is not working, Amy spends her time enjoying her family, working on math-based hobbies like baking and quilting, visiting countries around the world, and exploring colorful schools under the deep blue sea.

New Hampshire

Melanie A. started teaching in Seattle, WA in a variety of elementary classrooms and SpEd lead teacher roles. Now an elementary Mathematics Instructional Coach for a southern Maine school district, she also provides professional development for New England school districts and educational companies. She’s been a part of two National Blue Ribbon schools and humbled by a nomination for the Presidential Award for Excellence in Mathematics Teaching.

Melanie has experienced how transformative the best instructional practices and routines and data-driven, equitable, accessible, precise, and culturally relevant teaching and learning can be. She is eager to work with educators, students, and parents to empower them to become mathematicians and scientists in their daily lives and seek careers in those fields. She lives in coastal New Hampshire with her family, including her 7- and 5-year-olds, and loves exploring the world, finding new math games to play, and dancing and laughing together daily.

New Jersey

Cheryl F. began her career in education as a computer teacher in Perth Amboy, NJ, but quickly realized that math was her true love. A former middle school math teacher and elementary math coach, Cheryl is now an independent consultant who provides professional development, coaching, and demo lessons to K–8 teachers nationwide. After earning her MS in Mathematics Learning and Teaching, Cheryl was part of an NSF-funded grant aimed at improving math teachers’ ability to formatively assess students’ understanding and provide appropriate and valuable feedback.

Cheryl believes that when students become active doers rather than passive consumers the greatest learning gains can be realized. She also believes that in order to teach in powerful and empowering ways, teachers must first have experienced learning in powerful and empowering ways. A fun fact about Cheryl is that she appeared on TV with The Fonz during the Statue of Liberty’s Centennial celebration.

Bobby M. began his career in Camden NJ, once voted the poorest city in the nation. It is there that he began to see that brilliance ignores socio-economic status as he taught some of the most exceptional students. Having spent over 12 years in education, Bobby maintains the conviction that every child can learn. He is passionate about providing the highest quality mathematics education particularly as part of his commitment to empowering Black and Brown communities through equitable and reimagined education. Outside of education, Bobby enjoys being a ‘superhero’ father to his two kids.

New Mexico

Kathe K. has taught mathematics in both rural and urban districts in New Mexico, Washington, and Maryland. She has engaged in many professional development opportunities, including attending the Park City Mathematics Institute several times as a participant and also as staff. After completing her Master of Science in Mathematics at New Mexico State University she began working on professional development projects funded by the National Science Foundation and by state and local grants.

Kathe most enjoys working in schools where teams of math teachers plan, implement, and reflect together. When she is not traveling across the state for work she can be found improving both her language skills by reading novels in Spanish and German.

Lisa M. began her career in education as a high school science and math teacher, and for the past 20 years has worked with Mathematically Connected Communities (MC2), an organization committed to improving K–12 math teaching and learning in her home state of New Mexico. While Lisa spent the first 15 years of her math education career focusing on 6–12, she has spent the past 5 years digging into K–5 learning trajectories, partnering with teachers in their classrooms, and implementing professional learning designed to help teachers understand how elementary students develop deep conceptual understanding.

She is passionate about the need for students to construct the meaning of mathematical ideas in ways that make sense to them, and learning with teachers how to develop the ability to truly listen to children’s thinking. Lisa lives on a small ranch in south-central New Mexico and enjoys hiking, yoga, knitting, cooking, and connecting with friends and family.

Brandon S. began his career in education as a high school teacher. He currently serves as a content specialist for high school mathematics. During his time as a teacher, he worked with a variety of content levels and a diversity of student needs and abilities. In recent years, he has worked diligently to develop his capacity for providing quality professional development.

Brandon believes that all students can learn mathematics to deep levels and that the heart of teaching is to inspire students’ passion for problem-solving. When not engrossed in all things mathematics education, Brandon loves spending time with his two kids and playing golf.

Michelle S. is a secondary mathematics specialist with Mathematically Connected Communities at New Mexico State University. Prior to a focus in teacher professional learning, Michelle taught middle school Mathematics and currently teaches at a charter high school to support both core and intervention curriculum. She is a National Board Certified Teacher in Early Adolescence/Mathematics with 20 years of experience supporting mathematical discourse and conceptual sense making in the classroom.

New York

Andrew G. has worked in education for over ten years and as an educator of students with disabilities for the last seven. He was born and raised in New York City, receiving his Master’s in Education from Brooklyn College. Andrew now teaches math at the Cooke Center Academy, a school for students with developmental, learning, and physical disabilities on Manhattan’s lower west side.

He has spoken nationally to advocate for equitable access to the highest quality math instruction for the typically under-served student population of students with disabilities. He writes about the intersection of math education, special education, and disability rights on his blog, The Learning Kaleidoscope.

Marcelle G. has taught secondary math in New York City since 2008. She currently teaches at a small, progressive K–8 school in Brooklyn, teaching grade 7 math and Algebra 1. Throughout her career, she has focused on using structured routines to bring students who don’t identify as “math people” into the fold and finding ways to structure her classes so that students who struggle can access grade-level content. She has been a part of Math for America since she began teaching, most recently as an MFA Renewal Master Teacher.

Tiayana M. began her career in education as an elementary and middle school teacher. She worked for many years as a mathematics content specialist for the New York City Department of Education overseeing the development of city-wide mathematics assessments. She also supported the development of state and national assessments and the development of high-quality instructional materials. As the Executive Director, Mathematics at a national nonprofit, she focused on supporting teachers, instructional and school leaders, and districts with implementing standards-aligned curriculum and improving instructional practice. Currently, she works as an education consultant, supporting universities, nonprofits, districts, and schools.

Tiayana believes all children should feel comfortable and supported in the learning of mathematics and teaching should leverage discipline-specific pedagogical practices that engage and value the capacity and humanity of all children. Tiayana enjoys spending time with family and friends and traveling as often as she can.

Darlene R. began her 28 year career with Orchard Park Central School District as a 5th grade classroom teacher. Over the years, her role shifted to a “gifted and talented” teacher, differentiated instruction specialist, and most recently she serves as a K–5 math instructional coach. During her time as a mathematics Instructional Coach, she was selected to be part of the 2015 LearnZillion Dream Team where she contributed to a K–8 math curriculum based on the CCSSM. She also masterfully co-facilitated a professional development series based on the Landscapes of Mathematics, through the Master Teachers Program at Buffalo State College. Darlene believes that the teaching and learning of mathematics should take place in safe, growth minded mathematical communities that promote the development of mathematical thinking and reasoning. When she is not immersed in her work as an educator, Darlene enjoys exercising, leisurely travel, and spending time with her family.

Josh R. has been an educator for 25 years.  He  began his career in education as an upper elementary teacher in New York City. Since 2006, he has served as the K–6 Mathematics Specialist in Dobbs Ferry, NY. During his time at Springhurst Elementary School, he has facilitated Lesson Study research groups, and in 2014 had the opportunity to visit math classrooms in Japan and participate in authentic Lesson Study activities. He is passionate about problem-based teaching and believes that all students have brilliant ideas when given opportunities to engage with rich mathematical tasks and equitable instructional practices. Josh is a huge fan of mathematical logic puzzles. In 2016, he co-authored a book entitled KenKen: Tried and True Tips & Techniques for Beginners.

In 2012, Josh was awarded the Presidential Award for Mathematics and Science Teaching. When not engaged in mathematical endeavors, Josh loves cooking and attending live sporting events.

Immediately upon her graduation from college, Arlene S. began her career in mathematics education as a high school teacher and later as an assistant principal of mathematics in New York City. Her passion was to transform teaching in her own classroom and department, and as a result, she began teaching and implementing an inquiry-based curriculum in the mid-1990s, continuing until her retirement in 2011.

Within 4 years, all students in her high school were fully engaged in student-centered instruction. It was quite a joy to see students not only learning mathematics but developing a love for it. Students no longer asked, “When will I ever use this?” During this time, Arlene also became part of a larger yet similar movement in NYC, leading curriculum professional development sessions for NYC teachers.

Upon retirement, Arlene has continued to conduct professional development workshops, coach teachers throughout NYC, and teach graduate Mathematics Education classes. When not focused on her work, Arlene enjoys reading, jazzercising, and being a new grandma.  

Tutoring students and working at a wilderness youth retreat program in the Utah desert led Blue T. to earn a master’s in math education as a Newton Fellow with Math for America and then teach high school math at a public school in New York City. He became an instructional specialist at New Visions for Public Schools, writing curriculum and coaching math departments, and had subsequent roles at different organizations coaching science and math teachers and teacher apprentices.

He’s proud of the work former students have done, as well as the growth of the teacher leaders he has worked with to become better teachers while supporting their colleagues. Helping students and teachers from all backgrounds grow mathematically and see the beauty of math, and open up to other life opportunities have been a driving passion. A sociable guy, Blue loves rock climbing, surfing, drawing, and karaoke.

North Carolina

Dr. Olu A. began her education career as a middle school mathematics teacher in the New York City Public School System. As university faculty, she teaches methods and content courses to pre-service and in-service teachers. She has significant experience in educational leadership and applies this knowledge across institutional levels through a collaborative approach. Olu also has a proven track record of successfully directing educational initiatives focused on Diversity & Inclusion. She embodies equity and diversity, and believes that all children can learn despite race, socio-economic status, religious affiliation, gender identity, etc. As a result, she ensures that her instructional practices focus on equipping teachers with effective strategies that allow them to engage students of all backgrounds in rich, meaningful and engaging educational experiences. When she is not teaching or coaching, she spends quality time with her husband and their 7-year-old daughter.

Sheila B. has benefited from her 42 years of experience teaching students in both middle and high school, collaborating with teachers as an instructional coach, and facilitating professional development for teachers locally and in other districts and states. She is an active member of North Carolina Council of Teachers of Mathematics serving as Secondary Vice-President for the Western Region, Conference Program Co-chair and State Vice President for Middle School. Some of her professional accomplishments include attaining NBPTS certification, being chosen as a member of NC Teacher Leadership Network, being a lead teacher for the ARMS Project, participating as a trainer for NC Teacher Academy and facilitating for the MELT program at ASU. Although retired, she considers herself a life-long learner and continues to be actively involved in mathematics education. She enjoys reading, playing with her granddaughter and traveling.

Vanita B. began her career in education as an elementary teacher in Charlotte, NC. Her professional path has offered her several rich experiences as a K–5 math facilitator, instructional coach, and school administrator. Through these roles, her greatest accomplishment occurs at the micro-level, in the classroom, impacting teachers’ practice, extending their effectiveness, and helping them to fall deeper in love with their craft.

Vanita’s passion for mathematics education grew out of her personal struggles with math as a K–12 learner, which later blossomed as she began dismantling math fears for herself and her students. When she is not engaged in her work as an educator, Vanita loves good food, hot yoga, and visiting new places.

LaToya D. began her career in education as an elementary math teacher in Greensboro, NC. LaToya has excelled in the elementary classroom for the last 14 years. She began her work in professional development training K–5 teachers on the Common Core State Standards of Mathematics through the American Federation of Teachers and the Washington Teachers’ Union. LaToya was inspired by Illustrative Mathematics when she witnessed a transformation in her students’ attitudes and engagement in mathematics based on their experience with the IM Math Task. LaToya believes that all students deserve an opportunity to engage with mathematics on a level that is understandable, inclusive, and engaging. When LaToya is not working with teachers or students, she enjoys traveling and watching her two toddlers enjoy and explore the world around them. 

Marta G. began her career in education as an elementary classroom teacher, then as a district and school level math coach. She is currently working as an independent consultant, serving as a professional learning developer and math coach. Marta has been awarded the Presidential Award for Excellence in Mathematics and Science Teaching and most recently the North Carolina Council of Teachers’ of Mathematics Rankin Award for lifetime achievement and dedication to mathematics education.

As a classroom teacher, Marta participated in two National Science Foundation grants which focused on supporting the range of learners. This research impacted her view of mathematics and her interest in equitable, accessible practices which invite students and teachers to engage in reasoning about mathematics. Marta loves to spend time with her family, take walks at the beach, play math games, and travel.

With almost 20 years in public education, Suzanne H. began her career as a middle math teacher in North Carolina and then a high school math teacher, district instructional staff developer, and assistant principal in Florida. Last summer, she returned to her hometown in NC where she is a mathematics curriculum facilitator. The majority of her experiences have been in low performing, high poverty schools.

Suzanne has a proven track record of improving student achievement and turning schools around. She is a highly dedicated educator committed to empowering all students through just educational opportunities. And, she believes mathematics is the subject that can open those doors. Suzanne loves to travel, especially taking road trips with her son, and she hopes to one day live on a farm.

Kim M. recently retired from Brunswick County Schools in NC as an instructional math coach and is currently teaching 7th-grade math in Dillon, SC. She has a B.S. in Special Education from Winthrop University and an M.S.A. in School Administration from UNC at Pembroke. Her passions include exploring the IM curriculum with students and teachers and improving her craft through lesson study cycles.

Mary S. began her career in education as a grades 2 and 3 multi-age teacher in rural North Carolina. She has 25 years of experience in education serving as a teacher, coach, and professional learning facilitator. She currently serves as an instructional coach in Charlotte, NC. Mary received her B.S. in Elementary Education from East Carolina University and her master’s degree in Curriculum and Supervision from the University of North Carolina at Charlotte. In addition, she is a National Board Certified Teacher as a Middle Childhood Generalist.

Mary believes in the value of curriculum and instruction that is accessible to all learners and allows students to learn by solving problems using real-world and mathematical contexts. In her free time, she enjoys traveling and spending time with her family and friends.

Jenni T. began her teaching career teaching middle school math to 6th and 7th graders, she currently is a math facilitator for a local middle school in Charlotte, NC. Jenni won first-year teacher of the year and went on to get her master’s degree in Educational Technology and achieved National Boards in Early Adolescence/Mathematics. She currently specializes in assisting math teachers with the conceptual understanding of math and how to best engage students.

Jenni is passionate about math education because for most of her educational year’s people were labeled as math people and non-math people. Everyone has it in them to understand math and it’s her goal to help achieve this. In her spare time, Jenni enjoys shopping, cooking, being near the water, and chasing her 3 kids and golden retriever around.

Kaneka T. is a learning enthusiast! Her greatest joy is coming to understand and residing in the space where confusion meets clarity. She designs and facilitates professional learning experiences for local school districts across North Carolina. She served Charlotte-Mecklenburg Schools for the past 18 years as a classroom teacher, building math coach, Title I math specialist and district math specialist, before leaving to work independently as a math consultant.

She has a passion for broadening the community of math learners to include the most unexpected and often rejected. She is pursuing this passion by teaching masters courses as a visiting instructor for Mount Holyoke’s Master of Arts in Math Teaching program, facilitating Investigations Workshops for Terc and facilitating DMI workshops for local districts in need.

Jennifer W. a Core Advocate and National Board Certified Teacher, taught and learned mathematics with high school students and teachers for 25 years in Jackson, Mississippi. She enjoys learning alongside the Illustrative Mathematics community, and she is a 2011 recipient of the Presidential Award for Excellence in Mathematics and Science Teaching. Jennifer blogs at both Easing the Hurry Syndrome and Slow Math Movement.

Toni W. began her education career as a middle school math and science teacher 18 years ago, and is currently the Director of Secondary Math and Science in a district in central NC. Toni has enjoyed being a classroom teacher, an online instructor for high school and college levels, and an administrator.

Her passion truly blossomed, however, as an instructional coach. Toni believes that high-quality mathematics instruction is the key to developing the young (and not so young) into positive math advocates! When Toni is not doing math, she can be found reading The Outlander, or traveling outside of the US with her family!


Bryan D. was a classroom teacher for 12 years and became an administrator where he oversees curriculum and technology for a large region in northeast Ohio. My areas of specialty are assessment and curriculum design. The most important thing to me about math is pursuing a balance between conceptual understanding, procedural skill and fluency, and application. My favorite hobby is playing three instruments.

Melissa J. has been a middle school math teacher in Toledo, OH since 2001 and currently serves as a math coach. In that role, she actively facilitates professional learning at the district level. Melissa is also a national trainer for AFT’s Thinking Mathematics. She is currently working on her dissertation in educational technology, focusing on computational thinking in mathematics classrooms.

As a student, teacher, coach, parent, and friend, Melissa works to empower people in their mathematical learning, regardless of where they are on their individual journeys. When she is not instilling the love of learning math in others, Melissa loves to test recipes (through cooking and eating!) and spend time connecting with nature and her three teenaged children.

David P. is currently a Curriculum Writing Team Lead for Illustrative Mathematics, writing and editing materials for the Middle School curriculum. David taught high school mathematics in Tennessee and Missouri for 10 years prior to joining IM. David has a master’s degree in mathematics from Vanderbilt University.


Tricia B. teaches math content courses for pre-service elementary teachers and provides professional learning to K–12 math teachers in her role as the K-12 Outreach Specialist for the Mathematics Department at the University of Oregon. She has been involved with efforts to promote coherence in math education over the past 15 years, consulting on projects such as Standards For Success, Smarter Balanced Digital Library, and review of Khan Academy CCSSM items.

She is a member of the UO’s Teaching Academy and a participant in the Summer Institutes for Scientific Teaching to improve the implementation of best pedagogical practices in her own teaching. With a rocky start in elementary math that eventually led to a Masters in Mathematics from the University of Oregon, Tricia is passionate about supporting teachers in discovering the wonder and power of mathematics for themselves and their students.


Raised in a small town in Indiana, Yong C. had learned mathematics from Ms. Gillard for all four years of high school. She inspired Yong to engage with mathematics and ponder deeply about learning. At present, he is a professor of mathematics at Indiana University of Pennsylvania. (Indiana, PA is the “Christmas Tree Capital of the World” and the hometown of Jimmy Stewart, the famed actor of It’s a Wonderful Life.) His recent accomplishments include Fulbright work at Tomsk State University, Russia and workshop facilitations for DoDEA teachers in South Korea and Japan. As an educator, He is challenged to support learners to make sense of mathematics. He has three “grown” children and one wife, and his wife muses that she’s raising four children.

Amanda H. began her educational adventure 14 years ago in a classroom. Her role has grown and adjusted over the years as she has moved to a K–12 instructional coaching role and then Math Specialist and contractor at LearnZillion. She has had the opportunity to use IM in the classroom, as a coach, and on the content and professional development side. She believes all students can grow and the most powerful conversations we can have in a classroom come from mistakes and challenges we encounter. She enjoys playing paddle ball and traveling the high seas on a Disney Cruise with her family. 

Atiyah H. is a middle school principal at a charter school in New York City where she coached teachers, tutors, and instructional leaders. Prior to that, Atiyah taught middle school math for seven years in Philadelphia before moving into a leadership role as Director of Curriculum and Instruction for grades 6–8. Atiyah has also served as Assistant Principal and Director of Curriculum and Instruction for a turnaround middle school in Trenton, NJ where she focused on math education in grades 4–8.

Her love of mathematics with a specific focus in urban education began will she was a founding member of Philadelphia Teaching Fellows. Atiyah has deepened her love and appreciation for mathematics while serving on the state of New Jersey Common Core Standards revision in the fall of 2015.

Atiyah holds an advanced master’s degree from Teachers College, Columbia University in Public School Leadership, a master’s in education from the University of Pennsylvania and a bachelor’s from The Pennsylvania State University.

Nikki H. is currently a 4th grade math/science classroom teacher in Mechanicsburg, PA. She has been a classroom teacher for 18 years. For the past 15 years, she has facilitated professional development focused on elementary math curriculum and instruction across the United States in her role as an educational consultant. She has presented at national mathematics conferences and worked with countless school districts to assistant with successful implementation of K–5 curricula. Nikki believes that math is for all students and that no one is “good” or “bad” at math! All students are capable of understanding and being successful with math concepts, especially when working with an effective, engaging teacher. When she is not working with teachers or students in the classroom (or on Zoom), Nikki loves spending time with her two children at the beach, teaching preschool gymnastics, reading for pleasure, and watching police/medical dramas like NCIS or Chicago Med.

Dan I. began his career as a middle school mathematics teacher in New Jersey. After teaching high school and being a district supervisor, he moved to the university level where he is a teacher educator. Dan enjoys presenting at conferences and working as an instructional coach to learn with teachers around the country.

Dan is passionate about mathematics education because it is so important for all students to be successful in mathematics to be successful in life. Outside of work, Dan enjoys spending time with his family.

Daniel K. began his career teaching high school mathematics. For the past several years he has served as the K–12 Mathematics Instructional Coach and the 6–12 Mathematics Department Chair for the Wilson School District. Daniel’s passion for instruction, assessment, effective technology integration, and leadership has given him the opportunity to present throughout the country and at conferences such as ISTE, PCTM, PETE&C, and NCTM. Daniel believes that all students deserve access to a challenging curriculum that will engage them in discourse, promote collaboration, and emphasize process over product. Outside of the classroom, Daniel enjoys spending time with his family. They tent camp frequently throughout the Northeast. On rare occasions, you can find Daniel playing disc golf at the local courses.

Sallie K. began her career in education in 1994 after six years in the US Army and five years as a stay-at-home mom. In 2018 she retired after 24 years of math teaching. She taught grade 7 math for 9 years and served 15 years as the district’s K–8 mathematics coach. As a math coach, she coordinated consistent implementation of the district’s K–8 math program by supporting the teachers through professional learning sessions, co-planning, and co-teaching. She also had the exciting privilege of presenting at numerous local, regional, and national math conferences.

Sallie is passionate about providing all students with high-quality math instruction in a classroom where mistakes are expected, respected, and inspected. She believes that sense-making matters more than memorization. You might be surprised to learn that during Sallie’s US Army enlistments she served in the Military Police Corps and was a special agent in the Criminal Investigation Division.

Rhode Island

Chris C. began his career as a high school and middle school mathematics teacher and instructional coach in Washington State and became a mathematics leader in two large urban districts, an educational service agency and the state of Wisconsin and Rhode Island. Chris has developed materials to unpack the common core for the state of Wisconsin and provided leadership in the adoption and implementation of problem-based mathematics programs K–12 in multiple roles. Chris has also provided leadership and materials in diagnosing mathematics deficiencies and integrating that into a RtI process.

Chris’s passion for mathematics comes from helping others discover their math abilities in different ways and applying that knowledge and experience to classroom instruction for the benefit of all students. In his personal life, he likes to spend time with his family outdoors and he enjoys playing golf, coaching flag football, and reading.

South Carolina

Patti D. began her career as an elementary teacher and now draws upon 33 years of teaching experience in public education at the elementary, middle, high school, and post-secondary levels in her current work supporting mathematics learning in grades K–12. She worked with a statewide NSF Systemic Initiative to change math and science education in South Carolina, served on the SC Leaders of Mathematics Education board, reviewed federal grants, and developed pilot items for state assessments. Patti co-designed professional learning for a state-level grades K–5 mathematics coaching initiative, achieved agency trainer status for Cognitive Coaching SM and co-wrote and managed a federal grant in collaboration with two universities that increased mathematics, science, and special education teachers’ pedagogical content knowledge. As a National Board Certified Teacher since 2002, Patti seeks to spark curiosity and joyful, deep learning that transforms learning spaces. She enjoys reading, spending time with family, and traveling. 


South Dakota


Sherman R. began his career as a middle school teacher specializing in English language arts and supporting math educators. Upon transitioning from the classroom to a support role, Sherman began writing curriculum for various school districts. He’s also facilitated professional learning and provided instructional support across the nation. Although he began his career teaching another content area, math has always been his favorite subject, and he is elated now to be able to supplement quality math instruction. When he is not busy educating, Sherman enjoys watching classic films.

Amber T. began her educational career as a middle school math teacher. After earning a masters degree in instructional coaching and professional learning, she transitioned into a role as a school-based math instructional coach. Currently, she is a district lead numeracy coach supporting middle schools in Metro Nashville Public Schools. Self-proclaimed instruction and coaching nerd, she is committed to helping all learners young and old engage in grade-level mathematics every day. When she is not working with teachers and coaches, you can find Amber reading a book with her dog cuddled close or on a long trail run with her husband.


Luis L. began his career in mathematics education in Rio de Janeiro, Brazil. During his tenure as a mathematics coordinator in Baltimore City, MD he led the district’s transition to college and career-ready standards. Luis has also designed and facilitated professional development and instructional coaching sessions nation-wide in various roles as an instructional designer. Luis believes that every student deserves equitable opportunities to achieve at the highest level, regardless of social-economic status, through unfettered access to high-quality curriculum and instruction and is committed to improving teacher capacity to create learning environments that effectively implement both. When he is not engaged in his work as an educator, Luis enjoys sharing meals with family and friends, reading, and attending to his olive trees.

Brooke P. began her career in education as a preceptor for doctors of pharmacy candidates and currently works as a curriculum developer. She spent many years as a math teacher working hard to engage all students from algebra to statistics. She has spoken at numerous state and national conferences on how to engage students in the math classroom. High-quality and equitable math instruction is essential for preparing students to be ready for real-world experiences where they can competitively compete in the global market. Brooke’s hobbies include welding, shooting billiards, and growing her own food.

Lizzy S. currently resides in Dallas, Texas, where she writes curriculum for Illustrative Mathematics. She has experience teaching middle school, high school, and collegiate mathematics. Her focus is on helping underperforming students succeed. She is passionate about building a robust understanding of mathematics for students at every age and level. She is completing a master’s degree in mathematics, with an emphasis on cognitive psychology, at Texas Woman’s University. She also teaches her five children, ranging in age from 1 to 12, how to be productive members of society. In her free time, she competes in Taekwondo tournaments and is currently ranked in the top 10 of the state.


Cara L. began her career in San Diego, CA, where she served as a middle school math teacher, math coach, and member of the district math leadership team. She is now an education consultant in the Washington, D.C. area. During her time in San Diego, she was able to hone her teaching skills while earning a masters degree in Inquiry Based Mathematics Education. She also had the honor of working for the world-class project-based learning school, High Tech High. Based on her work at HTH, she was recruited to bring both her knowledge of math education and project-based learning to the UK where she served as an education consultant for The Innovation Unit, ltd. She strongly believes that every child can build a deep understanding for math. She advocates providing a student-centered, active, inquiry-based learning approach that teaches children important questioning, critical thinking, and problem-solving skills. When she is not immersed in the world of math education, her favorite thing to do is spend time with her dog, Guinness.


Jeff C. began his career as a classroom teacher, bringing his joy for learning and love of mathematics to secondary and postsecondary students. His passion for bringing quality instruction and curriculum to students led him into curriculum development and implementation across Washington state and the nation. Jeff also worked as a consultant and evaluator of curriculum for Washington State, Khan Academy, Student Achievement Partners, and EdReports. Notably, Jeff helped write the high school evaluation tool for EdReports and lead teams through multiple cycles of material reviews. Most of all, he loves working with educators to grow in their craft. He wants the best instruction and the best material for students. As such, Jeff currently focuses on supporting educators by facilitating their growth in implementing quality materials.

After beginning her teaching career in Shenzhen, China, Amy H. now teaches high school math in Richland, Washington. A National Board Certified Teacher, she has worked with national leaders in math education and led algebra PLC’s for many years. Amy is a firm believer that all students can be successful in mathematics and is committed to using innovative approaches to build skills and confidence in students who have a history of struggles in math. When Amy is not developing future mathematicians, she coaches color-guard at her high school and enjoys spending time with her three young children.

Collette H., a National Board Certified Teacher in Early Adolescence/Mathematics, has spent over 30 years sharing her love of math in and out of the classroom. Prior to her work as a secondary math specialist, she taught high school mathematics, served as a middle school math coach and provided district professional development K–12. Collette is passionate about supporting teachers in providing mathematics instruction that is accessible, challenging, and engaging. She participates regionally as a Math Fellow and is a member of NCSM and NCTM. Additionally, she facilitates a National Board cohort providing support to candidates in all certification areas.

Shari H. began her career as a grade 5 teacher and is currently a learning coordinator for the Mead School District in Spokane, Washington. Shari spent many years teaching mathematics both as an interventionist and a teacher of the highly capable which fed her passion for ensuring all students receive high-quality instruction to meet their individual needs. She has been a Washington State Math Fellow for over 7 years working to support teachers in her district and region. She also specializes in assessment and has worked with her state and the Smarter Balanced Assessment Consortium in developing assessment items and performance tasks. When not supporting teachers in their math learning, she enjoys working in her garden and creating with her kids in their craft room.

David P. is passionate about equitable mathematics education for all learners. David has a B.A. in Mathematics from the University of Washington and an M.Ed. in Secondary Mathematics Education from Eastern Washington University. David has taught both middle and high school mathematics and is a National Board Certified Teacher in Adolescence and Young Adulthood/Mathematics. David has also served as a state instructional coach for identified schools of improvement in Washington state. He is currently a secondary mathematics specialist leading professional development and developing coherent 6–12 mathematics instruction with a focus on bringing the standards for mathematical practice to life and developing these habits for all students.

Melissa S. was a classroom teacher teaching math and physics at independent high schools for three years before joining IM. Before that she taught a college course in logic and reasoning. She has degrees in electrical engineering and philosophy, and a master’s degree in teacher leadership. She is on the high school curriculum writing team, focusing on Algebra 2. She wants to help teachers use the IM curriculum and to understand how to make the curriculum work better for teachers.


Sara B. spent 15 years as a high school math teacher before joining the Mathematics Institute of Wisconsin in 2014 where she currently develops and provides professional learning opportunities for middle and high school math teachers across the state. She is a National Board Certified Teacher, holds a M.S. in Curriculum and Instruction with a concentration in Mathematics Leadership, and has completed Cognitive Coaching-Foundation and Adaptive Schools-Foundation courses. She serves as a director for the Wisconsin Chapter of the American Statistical Association and statistics is one of her favorite topics to continue learning about. Sara’s passion is supporting teachers to develop students’ beliefs that they are all capable of “doing” mathematics and redefining what it means to “do” mathematics. When not exploring statistics and instructional strategies, Sara enjoys traveling, sewing, and motorcycle rides, especially if they involve a stop for ice cream.

Eric K. spent thirteen years as an elementary classroom teacher and three years as a district math coach to begin his career. He currently works as a K–8 math specialist at the Mathematics Institute of Wisconsin. During his time as a district math coach, Eric facilitated professional learning around the CCSSM to educators throughout the state of Wisconsin. He continues to develop and provide professional opportunities for K-8 educators and administrators in his current role. Eric believes each and every student should have an opportunity to experience high-quality math instruction and see themselves as a thinker and doer of mathematics. When he is not working, Eric enjoys spending time with his wife and four kids, as well as doing various outdoor activities.

Steven M. is a Mathematics Consultant and Instructional Coach with CESA 2, an educational service agency serving south-central Wisconsin. Steven has experience in Mathematics across all grades. He taught middle and high school mathematics in Chicago Public Schools and worked as a K–8 STEM Curriculum and Instructional Coach in the Chicago suburbs. Steven received his Master of Science in Secondary Mathematics Education at Northwestern University. His research focused on developing student thinking through writing and discourse. Providing students with opportunities to write and talk about their mathematical thinking continues to be a passion for Steven.  Steven grew up speaking Serbian, enjoys traveling, and could eat Buffalo wings for every meal.

Paige R. began her career in education as a special education teacher in Milwaukee, Wisconsin. She has served in a variety of roles over the past two decades. A few examples of the work that she has been involved in includes working for a large National Science Foundation grant to improve math learning for K–12 students and creating math courses for teachers to dive into the Common Core Standards. Currently, Paige works at the Mathematics Institute of Wisconsin where she supports teachers, coaches, and administrators in deepening their understanding of mathematics and effective teaching practices.

Paige is driven to change the world through education by empowering students to see themselves as mathematicians. She believes in the transformational power of teaching. Paige is an Agency Trainer for Cognitive Coaching and serves on the NCTM Professional Development Services Committee. Paige loves to explore new places with her husband and two daughters.