Curt L. Loxis a professor and the Dean of the Brooks College of Health at the University of North Florida, USA. He has written scholarly articles that have been published in major exercise, sport, and rehabilitation psychology, and behavioral medicine journals.

Kathleen A. Martin Ginis , Ph.D., is a professor and Distinguished University Scholar in the Department of Medicine and in the School of Health and Exercise Sciences at the University of British Columbia, Canada and holds the Reichwald Family Chair in Chronic Disease Prevention. An International Fellow of the National Academy of Kinesiology, she has published scientific articles in leading exercise, health, and rehabilitation psychology, behavioral medicine and medical journals and her work has been featured in publications such as"O" The Oprah Magazine, Men''s Health & Fitness, andShape, among others.

Heather L. Gainforth , Ph.D., is an assistant professor at the University of British Columbia, Canada. Gainforth received her Ph.D. from Queen''s University and completed postdoctoral training at the University College London. She has published scientific articles in leading journals in the areas of exercise and health psychology, implementation science, and behavioral medicine.

Steven J. Petruzzello , Ph.D., is a professor in the Department of Kinesiology and Community Health at the University of Illinois at Urbana-Champaign, USA. He is a fellow in the National Academy of Kinesiology (#578) and the American College of Sports Medicine. He has written scholarly articles that have appeared in major sports medicine, sport and exercise psychology, psychophysiology journals along with various book chapters.