Bridget Hamre, Ph.D. is Associate Director of the University of Virginia's Center for Advanced Study of Teaching and Learning (CASTL). Dr. Hamre received her bachelor's degree from the University of California, Berkeley and her masters and doctorate in clinical and school psychology from the University of Virginia. Dr. Hamre's areas of expertise include student-teacher relationships and classroom processes that promote positive academic and social development for young children, and she has authored numerous peer-reviewed manuscripts on these topics. She leads efforts to use the CLASS as an assessment, accountability, and professional development tool in early childhood and other educational settings. She has recently worked with leaders in several states to implement CLASS as a tool to enhance teacher-child interactions through Quality Rating Systems. Dr. Hamre is currently a Co-PI on the National Center for Research in Early Childhood Education and is leading the implementation of the major research component of the center.