Jean M. Williams is a professor emeritus at the University of Arizona where she served in the Department of Exercise and Sport Science and the Department of Psychology. She taught courses in stress and coping and psychology of excellence and consulted with intercollegiate athletes and coaches and with top amateur and professional athletes as well as supervised consulting. Dr. Williams has published nine books (seven edited) and more than 100 research articles and book chapters. Her research focused on psychology of injury, psychology of excellence, group dynamics and productivity, and exercise...