Dr. Jonathan Cohen graduated from Harvard College and Harvard Medical School. He completed his residency at The Beth Israel Hospital in Boston, his fellowship in gastroenterology at UCLA in Los Angeles, and advanced fellowship in interventional therapeutic endoscopy at The Wellesley Hospital in Toronto, Canada. Dr. Cohen is a Clinical Professor of Medicine at NYU Grossman School of Medicine. He is currently the Treasurer- elect of the ASGE and has served as past chair of the ASGE Quality and Training Committees. Dr. Cohen is a partner in Vanguard Gastroenterology, a private GI practice in New York, and served as President of the NYSGE in 2004. His clinical practice combines general gastroenterology and advanced endoscopy. His areas of interest include advanced imaging, quality indicators in endoscopy, simulator use in training, and clinical interests include bariatric endoscopy, mucosal resection and ablation, and ERCP. Dr. Cohen is the editor of the textbooks “Comprehensive Atlas of High-Resolution Endoscopy and Narrowband Imaging” and “Successful Training in Endoscopy.” He directs the international Program for Endoscopic Teachers [PET] for the WEO. Over the past 25 years, he has written and lectured widely, and served as faculty or course director for numerous endoscopy courses worldwide.