Dr. Feagan completed a medical degree at the University of Western Ontario (UWO) in London, Ontario, Canada.

His postdoctoral training included a residency in Internal Medicine and a clinical fellowship in Gastroenterology in the Department of Medicine at UWO, and postgraduate training in the Department of Epidemiology and Biostatistics at McMaster University, Hamilton, Ontario. A Fellow of the Royal College of Physicians and Surgeons of Canada, Dr. Feagan holds membership in the Canadian and American Association of Gastroenterology, the American College of Gastroenterology, the College of Physicians and Surgeons of Ontario, Crohn’s and Colitis Canada (CCC) and European Crohn’s and Colitis Organization (ECCO). He has authored over 480 articles and book chapters and has given over 600 invited presentations at national and international scientific meetings. In 1997, Dr. Feagan became Director of Robarts Clinical Trials at the Robarts Research Institute, University of Western Ontario and in 2020, he became Senior Scientific Director of Alimentiv Inc.(formerly Robarts Clinical Trials) His research efforts focus on the design and implementation of randomized controlled trials of therapy for inflammatory bowel disease. He has been the principal investigator on numerous large-scale randomized clinical trials.