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 Gastrointestinal Association and the American Motility Society.  He is also involved with national committees that include the Publication Committee of the American College of Gastroenterology (ACG), the Publication Committee of the American Society of Gastrointestinal Endoscopy (ASGE), the Annual Scientific Program Committee – Sub-chair of the Esophagus sub-section of the American Society of Gastrointestinal Endoscopy.  Dr. Fass is also chair of the American College of Gastroenterology Practice Parameter Committee and a member of the Board of Directors of the American College of Gastroenterology Institute for Clinical Research and Education.

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 more than 40 journals and has published more than 250 abstracts, editorials, letters and articles in journals such as Gastroenterology, Gut, American Family Physician, American Journal of Gastroenterology and Archives of Internal Medicine. 

Dr. Schwartz received his doctorate from Harvard University.  He served as a professor of psychology and psychiatry at Yale University, director of the Yale Psychophysiology Center, and co-director of the Yale Behavioral Medicine Clinic. He has published more than four hundred scientific papers, edited eleven academic books, and is the co-author, with Linda G. Russek, Ph.D., of The Living Energy Universe.

Dr. Schwartz is currently head of the Human Energy Systems Laboratory at the University of Arizona in Tucson. 

Dr. Allan J. Hamilton, MD, FACS, attended Harvard Medical School and became the chief of neurosurgery and chairman of the Department of Surgery at the University of Arizona Health Sciences Center. He currently holds a main appointment as a Professor in Neurosurgery as well as professorships in Radiation Oncology, Psychology, and Electrical and Computer Engineering Dr. Hamilton also is the Executive Director of The Arizona Simulation Technology and Education Center (ASTEC) at The University of Arizona College of Medicine.

Dr. Lewis Mehl-Madrona holds an M.D. from Stanford University and has been a practicing doctor for over 20 years.  Dr. Mehl-Madrona is affiliated with the Native American Research and Training Center at the University of Arizona College of Medicine in Tucson. He is a family physician, geriatrician, psychiatrist, and psychologist, and has worked many hours in rural emergency rooms. He also teaches Mind-Body Medicine with Dr. Andrew Weil's program in Integrative Medicine.