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Osama Hamdy, MD, PhD


Is one of the faces of the Joslin Diabetes Center, the world’s preeminent diabetes research and clinical care organization affiliated with Harvard Medical School. He is the founder and medical director of the Joslin Obesity Clinical Program, director of inpatient diabetes management and assistant professor of medicine at Harvard Medical School. He is the creator of Joslin Why WAIT program, the world’s first clinical program designed to help patients with diabetes lose weight through a novel multidisciplinary approach. An international diabetes and weight loss expert, he completed his medical and doctoral training at Mansoura University in Mansoura, Egypt, followed by fellowships at the University of Missouri Hospital and Clinics and Harvard University Joslin Diabetes Center. He chaired the task force that developed Joslin’s nutrition guidelines, is a member of the Nutrition Committee of the American Association of Clinical Endocrinologists and Vice-chair of the International Transcultural Diabetes Nutrition Working Group.  Dr. Hamdy has published more than 150 research articles and book chapters which are accessible at

Interview with Dr. Hamdy on Fox News
Sheri R. Colberg, PhD


Is a professor of exercise science at Old Dominion University and an adjunct professor of internal medicine at Eastern Virginia Medical School. With expertise in exercise, diabetes, aging and weight loss, she has worked with hundreds of individuals prescribing a variety of physical activity, diabetes management and weight loss techniques. A funded diabetes researcher, she is also the author of more than 250 research and educational articles, 11 book chapters and nine books, including Diabetic Athlete’s Handbook, The 7 Step Diabetes Fitness Plan, 50 Secrets of the Longest Living People with Diabetes, The Science of Staying Young and Exercise and Diabetes:  A Clinician’s Guide to Prescribing Physical Activity. A graduate of Stanford University and the University of California, Davis and Berkeley, she is widely considered an international expert in exercise, diabetes and disease prevention through lifestyle and behavioral changes. She has also been living exceptionally well with diabetes for over four and a half decades. Visit her website at

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