Mark Greenberg, Ph.D. is the Emeritus Bennett Chair of Prevention Science at Penn State University. He is the author of over 350 journal articles and book chapters on the development of well-being, learning and the effects of prevention efforts on children and families. He is a Founding Board Member of the Collaborative for Academic, Social and Emotional Learning (CASEL). He is the recipient of numerous awards from national and international organizations. He is the Chairperson of the Board of CREATE, a non-profit devoted to improving the quality of schooling and the lives of teachers and students (www.createforeducation.org)