Jonathan Leighton, M.D. (GI ’94), president of the American College of Gastroenterology, Mayo Clinic Arizona

Jonathan Leighton, M.D. (GI ’94), Division of Gastroenterology and Hepatology at Mayo Clinic in Arizona, is the 2023–2024 president of the American College of Gastroenterology, a medical organization representing more than 19,000 clinical gastroenterologists and other specialists in digestive diseases. Dr. Leighton is a professor of medicine in the Mayo Clinic College of Medicine and Science.