Dr Bennett Roth (Author photos 1-13; Video 1, available online at www.VideoGIE.org ) is professor of clinical, emeritus at the David Geffen School of Medicine, University of California, Los Angeles (UCLA). He received his Bachelor of Science degree from Muhlenberg College and his medical degree from Hahnemann University. He completed his internship at Hahnemann Hospital and his internal medicine residency at the Hospital of the University of Pennsylvania in Philadelphia. After serving 2 years in the United States Public Health Service hospital in Norfolk, Virginia, he went on to complete his gastroenterology fellowship at UCLA.