Stephen B. Hanauer is past President of the American College of Gastroenterology. He completed a medical degree, with honors, at the University of Illinois in Chicago. His postdoctoral training included an internship and residency in internal medicine, as well as a fellowship in gastroenterology, at the University of Chicago. He rose through academic ranks to become Professor of Medicine and subsequently was awarded the Joseph B. Kirsner Chair in Medicine and was designated Chief of the Section of Gastroenterology, Hepatology and Nutrition where he served from 2000–2014. He was recruited as the Medical Director of the Digestive Health Center at Northwestern Medicine and is Clifford Joseph Barborka Professor of Medicine in the Northwestern Feinberg School of Medicine as of January 1, 2014.

Dr. Hanauer is board certified in internal medicine and gastroenterology by the American Board of Internal Medicine and the American Board of Gastroenterology, respectively. He holds membership in several professional societies and is a Fellow of American Gastroenterological Association, the American College of Gastroenterology, and the American College of Physicians. In connection with the American Gastroenterological Association (AGA), Dr. Hanauer served as chair for the Inflammation, Immunology, and Inflammatory Bowel Disease Section and the Clinical Practice Section and subsequently served as Councilor for Clinical Research on the AGA Governing Board. He is a prior member of the Specialty Board of the American Board of Internal Medicine. Among his many honors, Dr. Hanauer received the AGA Fiterman Foundation Joseph B. Kirsner Award in Gastroenterology in 2001 and the Janssen Award for Clinical Excellence in 2004. He has served as a Member and Chair of the U.S. Food and Drug Administration Advisory Panel for Gastrointestinal Disorders and is a member and former Chairman of the International Organization for Inflammatory Bowel Disease.

Dr. Hanauer has authored more than 475 peer-reviewed journal articles, books, and book chapters, abstracts, monographs, and editorials. Dr. Hanauer is ex-Editor-in-Chief of Nature Clinical Practice Gastroenterology & Hepatology and currently serves as Associate Editor (IBD) of Clinical Gastroenterology and Hepatology. He is also a member of the editorial boards of numerous journals, including the American Journal of Gastroenterology and Inflammatory Bowel Diseases



Millie D. Long MD, MPH, earned her doctor of medicine degree at the University of Virginia, where she was a Bowman Scholar. She completed a residency and chief residency in internal medicine at the University of Alabama at Birmingham. She then completed a gastroenterology fellowship at University of North Carolina at Chapel Hill. While at the University of North Carolina, she also completed a fellowship in preventive medicine and a masters of public health in epidemiology at the Gillings School of Public Health. She is board certified in internal medicine, preventive medicine, and gastroenterology. She is currently Associate Professor of Medicine in the Division of Gastroenterology and Hepatology at the University of North Carolina, as well as Director of the Gastroenterology and Hepatology Fellowship Program.

Dr. Long’s clinical practice is at the UNC Multidisciplinary Inflammatory Bowel Diseases (IBD) center.  Her research interests include prevention of complications of IBD, women’s health and clinical epidemiology.  Dr. Long has contributed over 100 peer-reviewed publications, book chapters, and review articles to the medical literature.  She recently co-authored the 2019 ACG ulcerative colitis guidelines.  She is currently an investigator for the IBD Partners cohort, a prospective cohort focusing upon patient reported outcomes that includes over 16,000 patients living with inflammatory bowel disease.  She serves as an invited reviewer for journals such as Inflammatory Bowel DiseasesGastroenterology, and the American Journal of Gastroenterology.

Dr. Long is a fellow of the American College of Gastroenterology, where she serves on the Practice Parameters Committee and Chairs the Research Committee.  She is also a fellow of the American Gastroenterological Association and a member of the Crohn’s and Colitis Foundation, where she co-chairs the Clinical Research Alliance.



Miguel Regueiro earned his bachelor’s degree at the University of Pennsylvania, his medical degree at Drexel (Hahnemann) University and completed his internal medicine internship, residency, and clinical and research fellowship training in gastroenterology at Harvard Medical School’s Beth Israel Hospital.

Dr. Regueiro was Professor of Medicine and Clinical and Translational Science at the University of Pittsburgh School of Medicine from 2000 to 2018. There he served as the IBD Clinical Medical Director, Senior Medical Lead of Specialty Medical Homes, was Professor with Tenure, and honored as the UPMC Endowed Chair for Patient Centered Care in Inflammatory Bowel Diseases. 

Dr. Regueiro is currently the Chair of the Department of Gastroenterology, Hepatology, and Nutrition, and Vice Chair of the Digestive Disease and Surgery Institute at Cleveland Clinic in Ohio.  He serves as Medical Co-Chair of Digestive Disease and Surgical Institute Research Governance committee and is Professor of Medicine at the Lerner College of Medicine, Cleveland Clinic.  He also holds the Pier C. and Renee A. Borra Family Endowed Chair in Gastroenterology and Hepatology, Digestive Disease and Surgery Institute.

Dr. Regueiro’s main clinical and research interest is Inflammatory Bowel Diseases (IBD) with a focus on the natural course of these diseases and postoperative prevention of Crohn’s disease.  Recently, he has been involved in transformative medicine initiatives and developing new models of healthcare, including the first-of-its kind specialty medical home and neighborhood for IBD. Dr. Regueiro is investigating alternative models of care in population-based health that integrates patients, payers, providers, pharmaceutical industry, and other facets of healthcare delivery around these novel programs.