John P. Porcari, PhD, is an Emeriti Professor in the Department of Exercise and Sport Science at the University of Wisconsin-La Crosse, where he was the Program Director of the Clinical Exercise Physiology graduate program. He taught courses in exercise testing and prescription, cardiovascular physiology, electrocardiography and statistics. Dr. Porcari and his colleagues conducted over 500 research projects in the past 35 years evaluating a wide variety of fitness products and exercise training techniques. He has authored or co-authored over 325 research articles and 350 abstracts and was the lead author on the joint ACE/FA Davis textbook entitled Exercise Physiology. Dr. Porcari is a Fellow of the American College of Sports Medicine and a Master Fellow of the American Association of Cardiovascular and Pulmonary Rehabilitation (AACVPR). He was President of AACVPR in 2003 and won the AACVPR Award of Excellence in 2010.