Kate F. Hays is President of the Sports Psychology Division of the American Psychological Association and a clinical psychologist in private practice in Toronto. She is the author of Working It Out: Using Exercise in Psychotherapy and Integrating Exercise, Sports, Movement, and Mind: Therapeutic Unity.
Wendy Rodgers is an Associate Professor in the Faculty of Physical Education and Recreation at the University of Alberta. She has written numerous articles on the social and psychological features of exercise involvement.
