Corey A. Siegel, is Chief of the Section of Gastroenterology and Hepatology and co-Director of the Inflammatory Bowel Disease (IBD) Center at the Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, and the Constantine and Joyce Hampers Professor of Medicine at the Geisel School of Medicine at Dartmouth. Dr. Siegel received his medical degree from Tufts University School of Medicine in Boston, Massachusetts. He completed his residency in internal medicine at the Dartmouth Hitchcock Medical Center and then served as chief medical resident at Dartmouth, where he also completed a fellowship in gastroenterology. Dr. Siegel was the first IBD fellow at the Massachusetts General Hospital in Boston, MA.