Lizzy resides in Dallas, Texas, where she writes curriculum for Illustrative Mathematics. She has taught middle school, high school, and collegiate mathematics. Her focus is on helping underperforming students succeed, and she is passionate about building a robust understanding of mathematics for students at every age and level. Lizzy 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, Lizzy competes in Taekwondo tournaments and is currently ranked in the top 10 of the state.