Jennifer McCray is a Research Scientist and the Director of the Early Math Collaborative at Erikson Institute.





Jie-Qi Chen is the Principal Investigator of the Early Math Collaborative and a professor of child development at Erikson Institute. Dr. Chen has co-authored and co-edited seven books in the fields of child development, educational reform, classroom assessment, and early mathematics.





Janet Eisenband Sorkin is Senior Assessment Development Associate for Mathematics at the University of Chicago.