Kateri Thunder, Ph.D., has the pleasure of collaborating with learners and educators from school divisions and early learning centers around the world to translate research into practice. Previously, Kateri served as an inclusive early childhood educator, an Upward Bound educator, a mathematics specialist, an assistant professor of mathematics education at James Madison University, and Site Director for the Central Virginia Writing Project. Kateri then followed her passion back into the classroom where she spent each day learning with her Prekindergartners and coaching coaches. Kateri researches, writes, and presents on equity and access in early childhood and mathematics education and the intersection of literacy and mathematics for teaching and learning. She has partnered with thousands of educators to catalyze change in their classrooms, centers, and schools. Kateri is chair of NCTM’s Research Committee, co-creator of The Math Diet, and a best-selling author for Corwin’s Teaching Mathematics in the Visible Learning Classroom Series, the Success Criteria Playbook, and Visible Learning in Early Childhood.