Harriet Lenk, Ph.D., a former middle school teacher and assistant principal, holds a doctorate in curriculum and teaching from Teachers College, Columbia University and a master's degree in supervision and administration from Bank Street College of Education. Dr. Lenk is a member of the Graduate Faculty of Bank Street College of Education in New York City. Her expertise in teacher education includes induction support for beginning teachers, early adolescent development, curriculum development, cooperative learning, and experiential group process.