Edward "Ed" L. Deci is Helen F. & Fred H. Gowen Professor of Psychology at the University of Rochester. A specialist in human motivation, he has published 10 books on the topic. Susan "Sue" M. Brookhart, Ph.D. ia a Senior Research Associate, at the Center for Advancing the Study of Teaching and Learning and author of author, How to Give Effective Feedback to Your Students. Nancy Blair is a middle school principal in Georgia. She previously served as a school improvement consultant.