James M. Rippe, MD, is a graduate of Harvard College and Harvard Medical School with postgraduate training at Massachusetts General Hospital. He is currently the Founder and Director of the Rippe Lifestyle Institute (RLI), Associate Professor of Medicine (cardiology) at Tufts University School of Medicine, and Professor of Biomedical Sciences at the University of Central Florida, where he also serves as the Chairman of the Center for Lifestyle Medicine. Over the past 20 years, Dr. Rippe has established and run the largest research organization (RLI) in the world, exploring how daily habits and actions impact short- and long-term health and quality of life. This organization has published hundreds of papers that form the scientific basis for the fields of lifestyle medicine and high-performance health. RLI also conducts numerous studies every year on nutrition and healthy weight management.

Theodore J. Angelopoulos, PhD, MPH, is a former scholar of Greece's National Secretary of Education and has pursued training in exercise physiology and epidemiology at the University of Pittsburgh, Pennsylvania. He also completeda three-year postdoctoral training in metabolism at Washington University School of Medicine in Saint Louis. He is currently a Professor in the Department of Health Professions and Director of the Laboratory of Applied Physiology at the University of Central Florida, Orlando, where he also served as Research Director of the Center for Lifestyle Medicine (2006-2010). Dr. Angelopoulos' major research areas include metabolism and physiogenomics. He has developed a strong research partnership with the Exercise and Genetics Collaborative Research Group and has received funds from the National Institutes of Health and from industry sponsors.