Kimberly Morrow-Leong, MEd is an adjunct instructor at George Mason University in Fairfax, Virginia, a part-time researcher at American Institutes for Research, and a consultant for Math Solutions. She is a former grade 5 – 9 classroom teacher, K – 8 mathematics coach, and Coordinator of Elementary Professional Development for NCTM. She recently completed an elected term as Vice President and 2018 Program Chair for NCSM. She holds a BA in French language and a Masters in linguistics (TESOL) as well as an MEd in Mathematics Education Leadership at Mason. She is currently a doctoral candidate in the same discipline. Ms. Morrow-Leong is the 2009 recipient of the Presidential Award for Excellence in Mathematics and Science Teaching (PAEMST) from Virginia. Kim is happiest when working with teachers and students, putting pencils down and getting messy with manipulatives! She is the author of the Corwin book, Mathematize It!

Sara Delano Moore is an independent mathematics education consultant at SDM Learning. A fourth-generation educator, her work focuses on helping teachers and students understand mathematics as a coherent and connected discipline through the power of deep understanding and multiple representations for learning. Sara has worked as a classroom teacher of mathematics and science in the elementary and middle grades, a mathematics teacher educator, Director of the Center for Middle School Academic Achievement for the Commonwealth of Kentucky, and Director of Mathematics & Science at ETA hand2mind. Her journal articles appear in Mathematics Teaching in the Middle School, Teaching Children Mathematics, Science & Children, and Science Scope. Sara is a Corwin Mathematics consultant, and is the author of Mathematize It!, Teaching Mathematics in the Visible Learning Classroom for Grades 3-5 and 6-8, and Visible Learning for Mathematics, Grades K-12.