Larry M. Leith is a professor in the Department of Physical Education and Health at the University of Toronto. He holds a cross-appointment with the Department of Behavioral Sciences in the Faculty of Medicine.

Artur Poczwardowski, PhD, is an associate professor at the University of Denver. Artur received his PhD in exercise and sport science with specialization in psychosocial aspects of sport from the University of Utah, Salt Lake City in 1997,

Dr. Mark Aoyagi, PhD, CC-AASP, is the director of sport & performance psychology and associate professor in the Graduate School of Professional Psychology at the University of Denver.

Jack C. Watson II, PhD, is a professor and chair of the Department of Sport Sciences at West Virginia University.

Tatiana V. Ryba is an associate professor at Aarhus University (Denmark). She holds a Ph.D. in sport studies with a double emphasis on sport psychology and cultural studies from the University of Tennessee. She was a senior lecturer in the European Master’s Program in Sport and Exercise Psychology at the University of Jyväskylä, Finland.

Dr. Ed Etzel serves as a professor in the Department of Sport Sciences within the WVU College of Physical Activity and Sport Sciences. 

Jean Côté is a professor in and director of the School of Kinesiology and Health Studies at Queen’s University at Kingston in Canada.

Paul Wylleman, Ph.D., is an associate professor at the Vrije Universiteit Brussel, Belgium. He teaches psychology of sport, exercise, and leisure in the Faculty of Physical Education and Physiotherapy and in the Faculty of Psychology and Education at the graduate level.

David Lavallee, PhD, is a principal lecturer in the School of Social Sciences at the University of Teesside, England, where he teaches courses in psychology and is the director of the Center for Sport Performance and Applied Research.

Thomas D. Raedeke and Alan L. Smith met in 1993 at the University of Oregon, where they shared an office as graduate students in the Department of Exercise and Movement Science. Their mutual interests in motivational processes in sport led to their later collaboration on the development of the Athlete Burnout Questionnaire (ABQ), which built from Raedeke’s doctoral dissertation research on commitment and burnout in adolescent swimmers. That work received the 1995 National Association for Sport and Physical Education (NASPE) Sport Psychology Academy and 1996 Association for...