Harold W. (Bill) Kohl, III, PhD, is a professor of epidemiology and kinesiology at the University of Texas School of Public Health Austin Regional Campus and the University of Texas at Austin. Before this appointment, he served as lead epidemiologist and team leader in the Physical Activity and Health Branch of the Division of Nutrition and Physical Activity at the Centers for Disease Control and Prevention in Atlanta.

He has worked since 1984 in the area of physical activity and health, including conducting research, developing and evaluating intervention programs for adults and children, and developing and advising on policy issues. He earned his doctorate in epidemiology and community health studies at the University of Texas Houston Health Science Center School of Public Health and a master’s of science degree in public health at the University of South Carolina. Kohl’s other areas of specialization are biostatistics and health promotion.

His research interests include current focuses on physical activity, exercise, fitness and health, and sports medicine surveillance systems for musculoskeletal injuries. In his recent efforts, he has concentrated on national and international physical activity surveillance and epidemiology issues as well as program development and evaluation studies for the promotion of school-based physical activity for children and adolescents.

Kohl has served as an elected trustee and is a fellow of the American College of Sports Medicine and is a fellow in the National Academy of Kinesiology. He is the founding president of the International Society for Physical Activity and Health. He has served in an editorial capacity for several scientific journals and is currently coeditor of the Journal of Physical Activity and Health. He has published more than 150 articles, chapters, and monographs in the scientific literature.

Tinker D. Murray, PhD, is a professor of health and human performance at Texas State University in San Marcos. He earned his PhD in physical education from Texas A&M University in 1984. His research interests include school-based and clinical-based youth physical activity interventions for the prevention of obesity and diabetes, continuing education opportunities for coaching education, and personal fitness and training applications related to exercise physiology.

From 1982 to 1984, Murray served as director of cardiac rehabilitation at Brooke Army Medical Center, where he was twice recognized for his exceptional performance. Since 1984, he has been at Southwest Texas and Texas State University, where he served as the director of employee wellness from 1984 to 1988 and director of the exercise performance laboratory from 1984 to 2000. He was a volunteer assistant cross country and track coach at Southwest Texas from 1985 to 1988 and helped win three Gulf Star Conference titles.

From 1985 to 1988, he was a subcommittee member for the Governor's Commission on Physical Fitness that developed the Fit Youth Today Program. He served as lecturer and examiner for the USA Track and Field Level II Coaching Certification Program from 1988 to 2008 and as the vice chair of the Governor's Commission for Physical Fitness in Texas from 1993 to 1994. He has worked with the Texas High School Coaches Association (THSCA) since 2003 as a facilitator with the Professional Development Cooperative, which promotes continuing education opportunities.

Murray is a fellow of the American College of Sports Medicine (ACSM) and certified as an ACSM program director. He was a two-time president of the Texas regional chapter of ACSM (1987 and 1994). He served on the national ACSM Board of Trustees from 1998 to 2001. In the fall of 2003, he was a guest researcher at the Centers for Disease Control and Prevention (CDC) Division of Nutrition and Physical Activity. He has been a member of the International Society for Physical Activity and Health (ISPAH) since 2009 and has attended all three biannual meetings of the International Congress on Physical Activity and Public Health.