Dr John Vargo, MD, MPH, is the department chair of gastroenterology and hepatology at Cleveland Clinic as well as vice chairman of Cleveland Clinic's Digestive Disease Institute and president of the Cleveland Clinic medical staff. He is a member of the American Society for Gastrointestinal Endoscopy, American Gastroenterological Association and American College of Gastroenterology. He is also an honorary fellow of the Gastroenterology Society of Ecuador. Dr. Vargo earned his medical degree at University of Rochester (N.Y.) School of Medicine and Dentistry and completed his residency at Montefiore Hospital/University Health Center of Pittsburgh. He completed his fellowship at Cleveland Clinic.