Mary Hynes-Berry, PhD, is senior instructor at Erikson Institute and one of the founding members of Erikson's Early Math Collaborative, which provides professional development to early childhood educators on teaching foundational math and also conducts research on the most effective ways to bolster mathematical thinking among young children.

Laura Grandau, PhD, is assistant professor at Erikson Institute as well as a senior program developer for Erikson's Early Math Collaborative. She studies the link between mathematical interactions and computational thinking in young children. In addition, she helps professionals who work with young children in educational settings outside of school, such as in museums and libraries, better integrate early math concepts into their services for families and caregivers.

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