Jody Guarino is former National Board Certified Elementary teacher and is currently a Mathematics Coordinator for Orange County Department of Education in Orange County, California, where she supports teacher and student learning in elementary grades. During her 24 years in education, she has taught elementary grades as well as graduate students preparing to become teachers. Jody is a member of the Illustrative Mathematics Content Leadership Team, Student Achievement Partners State Co-Captain, and a Lecturer at University of California, Irvine. Follow Jody on Twitter: @jody_guarino.
Nick Johnson is a former classroom teacher and math coach. Currently, he is a researcher and teacher educator. Nick's interests include children's mathematical thinking and how teachers leverage children's thinking in their instructional practice. He is currently a postdoctoral scholar with DREME TE at UCLA. Follow Nick on Twitter: @carrythzero.