Gabriel Del Real is the principal of Adams Elementary School in The Newport-Mesa Unified School District. Prior to taking on the role of lead learner, he taught in a self-contained elementary classroom for 10 years. Gabriel has also served as an adjunct professor of children's literature. Currently, he is exploring ways to help students achieve a durable understanding of math concepts. Email Gabriel at gdelreal@nmusd.us. Jody Guarino is a former National Board Certified Elementary teacher and is currently a Mathematics Coordinator for the 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.