Director of the Gastrointestinal Diseases Unit at Queen's University, Stephen Vanner is an internationally recognized clinician-scientist whose work in bowel disease laid the foundations of the new field of neurogastroenterology. His discoveries have advanced understanding of bowel disease and improved patient outcomes worldwide. He has transformed the GIDRU into one of the top facilities of its kind in Canada, and is a pioneer in patient engagement in research. He has served leadership roles on national gastroenterology and related patient advocacy organizations. Internationally he is a member of the prestigious Rome Foundation Committee, helping to develop global guidelines for bowel disease.