Ronnie Fass, MD, is the Medical Director of the Digestive Health Center, Chairman of the Division of Gastroenterology and Hepatology, and head of the Esophageal and Swallowing Program at the MetroHealth Medical Center, Cleveland Ohio. He is also a tenured professor of medicine at Case Western Reserve University. Dr. Fass did his internship and residency in internal medicine at the University of Arizona Health Sciences Center, where he later became a Chief Resident. He then completed a fellowship in gastroenterology at the University of California in Los Angeles where he focused on GI motility and functional bowel disorders.