Darren M. Brenner, MD is an Associate Professor of Medicine and Surgery in the Northwestern University Feinberg School of Medicine. He currently serves as Director of the Gastrointestinal Physiology Laboratory and Functional Bowel Programs and Co-director of the Integrated Bowel Dysfunction Program. Dr Brenner has spent the past 10 years focused on the treatment of functional bowel and motility disorders with emphasis on irritable bowel syndrome, chronic constipation, fecal incontinence and scleroderma, and is actively collaborating both national and internationally on studies in these areas. Dr Brenner has published extensively on these topics, acts as an associate editor of multiple GI peer-reviewed journals including the American Journal of Gastroenterology, and has lectured regionally, nationally, and internationally on functional bowel disorders. He is a charter board member of the American Gastroenterological Association Academy of GI and Liver Educators and also serves on the education, maintenance of certification, and publications committees of the American College of Gastroenterology. He is a fellow of the American Gastroenterological Association.