Jonathan K. Ehrman, PhD, is the associate program director of preventive cardiology at Henry Ford Hospital in Detroit, where he also serves as chair of the institutional review board. He has a 36-year background in clinical exercise physiology and is certified by the American College of Sports Medicine (ACSM) as a clinical exercise physiologist and as a program director. He previously served as the chair of the clinical exercise physiologist credentialing committee for ACSM. Dr. Ehrman is the author of more than 200 manuscripts and abstracts as well as several textbooks and chapters. He currently serves as editor in chief of the Journal of Clinical Exercise Physiology and was an associate editor of the 10th edition of ACSM’s Guidelines for Exercise Testing and Prescription. He is also the coeditor of the sixth edition of the American Association of Cardiovascular and Pulmonary Rehabilitation’s Guidelines for Cardiac Rehabilitation Programs. He is a fellow of ACSM and the American Association of Cardiovascular and Pulmonary Rehabilitation and is a member of the American Heart Association and the American College of Cardiology. Dr. Ehrman earned his PhD in clinical exercise physiology from The Ohio State University. Paul M. Gordon, PhD, MPH, is a professor and head of the department of health, human performance, and recreation at Baylor University. He is certified by the American College of Sports Medicine (ACSM) as a clinical exercise physiologist and has over 20 years of experience teaching clinical exercise physiology curricula and directing cardiopulmonary rehabilitation programs. Gordon’s areas of expertise include physical activity and lifestyle-based research related to obesity and its comorbidities across the life span. He has published more than 200 papers and abstracts as well as several chapters, including contributions to ACSM’s Guidelines for Exercise Testing and Prescription. He has also served as an examiner and coordinator for ACSM certification and credentialing. Dr. Gordon is a fellow of ACSM, the Obesity Society, and the Centers for Disease Control Physical Activity Research Program. He is an international member of the Royal Society of Medicine. He earned his PhD in exercise physiology and an MPH in epidemiology from the University of Pittsburgh. Paul S. Visich, PhD, MPH, is a professor and chair of the exercise and sports performance department at the University of New England. He has over 20 years of experience in clinical exercise physiology and previously served as director of the Human Performance Laboratory in the College of Health Professions at Central Michigan University. He worked for 12 years in a clinical setting that included cardiac and pulmonary rehabilitation and primary disease prevention. His research interests involve the assessment of cardiovascular disease risk factors in children, the influence of resistance training in elderly populations, and altitude physiology. Dr. Visich previously served as a member of the American College of Sport Medicine (ACSM) exercise physiology credentialing committee and as chair of their professional education committee. He is the author of more than 70 published scientific articles and abstracts. He earned a PhD in exercise physiology and an MPH in epidemiology from the University of Pittsburgh. Steven J. Keteyian, PhD, has more than 40 years of experience working as a clinical exercise physiologist. He is program director of preventive cardiology at the Henry Ford Hospital in Detroit. He is also an adjunct professor in the department of physiology at Wayne State University in Detroit. Over the course of his career, Dr. Keteyian has focused on exercise and physical activity in both healthy individuals and those with chronic diseases. He is the author of more than 250 scientific articles and book chapters, as well as four textbooks, and he previously served as editor in chief for ACSM's Health & Fitness Journal. Dr. Keteyian is a member of the American Association of Cardiovascular and Pulmonary Rehabilitation and the American Heart Association. He earned his PhD from Wayne State University in Detroit.
