Rehan Qayyum, M.D., M.H.S., is an assistant professor of medicine at the Johns Hopkins School of Medicine and an attending physician and academic hospitalist in the Division of General Internal Medicine/Hospitalist Program at Johns Hopkins Hospital in Baltimore, MD. His research experience includes numerous meta-analytic studies on treatments for conditions such as type 2 diabetes, hypertension, acute coronary syndromes, and effectiveness of continuing medical education. Dr. Qayyum’s research has been supported by the Agency for Healthcare Research and Quality and the National Institutes of Health. He serves as associate editor of the Journal of Hospital Medicine and is a member of the Society of Hospital Medicine, the American Heart Association, and the American College of Physicians. He earned a bachelor of medicine and surgery (M.B.B.S.) from King Edward Medical College, in Lahore, Pakistan. Dr. Qayyum completed residency training at the University of Connecticut Health Center and the University of Illinois College of Medicine.