Ronnie Fass, MD, is a Professor of Medicine at the University of Arizona in Tucson, Director of the GI Motility Laboratory at the University of Arizona Health Sciences Center and head of The Neuro-Enteric Clinical Research Group. Dr. Fass earned his medical degree at the Faculty of Health Sciences, Ben-Gurion University in Beer-Sheva, Israel and completed a one-year internship at Tel-Aviv University. He later moved to the USA and did his internship and residency in internal medicine at the University of Arizona Health Sciences Center, where he later became a Chief Resident. He then completed a fellowship in gastroenterology at the University of California in Los Angeles where he focused on GI motility and functional bowel disorders under the mentorship of Emeran Mayer, MD. He supplemented his GI motility at the Mayo Clinic in Rochester, MN, under the mentorship of Michael Camilleri, MD. Dr. Fass is a member of several professional organizations, including the American College of Gastroenterology, the American Gastroenterological Association and the American Motility Society. He is also involved with national committees and he is currently the chair of the Publication Committee of the American Society of Gastrointestinal Endoscopy (ASGE) and the American College of Gastroenterology Practice Parameter Committee. Dr. Fass is the recipient of the American Gastroenterological Association/Janssen Award for Digestive Sciences in Clinical or Basic Research and the Department of Veteran Affairs, Investigator of the Year award (2004). A frequent lecturer and presenter, Dr. Fass is a reviewer for 50 journals and is on the editorial board for 12 journals. He has published more than 350 abstracts, editorials, letters and articles in journals such as Gastroenterology, Gut, American Family Physician, American Journal of Gastroenterology and Archives of Internal Medicine.
