Osama Hamdy, M.D., PH.D., F.A.C.E., is the medical director of the obesity clinical program at Joslin Diabetes Center. He is also a clinical investigator and the director of inpatient diabetes management at the center, in addition to being an assistant professor at Harvard Medical School. He has been a guest on CNN's Accent Health and featured in U.S. News & World Report and Discover magazine.