Christine Massey is the Director of Research and Education at the Institute for Research in Cognitive Science at the University of Pennsylvania and the Director of PENNlincs. She has directed a number of major collaborative research and development projects that combine research investigating students’ learning and conceptual development in science and math with the development and evaluation of new curriculum materials, learning technology, and educational programs for students and teachers. She is a member of the cognitive science team for the national IES Research and Development Center for Cognition and Science Instruction. She was a member of the Study Committee for the NRC study “Deﬁning Deeper Learning and 21st Century skills,” and was a participant and presenter for several NRC workshops. Dr. Massey received her B.A. from Wellesley College in psychology and English and received her Ph.D. in psychology with a specialization in cognitive development from Penn. Dr. Massey is an Eisenhower Fellow and has also been a fellow in the Spencer Foundation/National Academy of Education’s Postdoctoral Fellowship program.