Professor of Medicine and Chief of Gastroenterology at Eastern Va School of Medicine. Published over 500 articles/chapters/invited reviews and abstracts co-edited the American College of Physicians (ACP) book “Dyspepsia” and 2005 and 2012 GI Clinics of North America series on “Obesity Issues for Gastroenterologists” , 2012 American College of Physicians module on CRC screening. Past President of the American College of Gastroenterology (ACG) Treasurer of the ACG/ASGE Quality Improvement Consortium (GIQuIC.He co-founded the National Medicare Carrier advisory Committee and co-chaired that committee for 10 yrs. Since 2000, GI Multi-society CRC Screening Task Force and ACG guidelines committee for CRC screening and has co-authored these screening guidelines. He currently serves on the American Board of Internal Medicine (Gastroenterology) Board of Examiners, past sGastroenterology Technical Advisory chair for the National Quality Forum (NQF) .Past Co-editor of Reviews in Gastroenterological Disorders, Journal Medicine and section editor for the American Journal of Gastroenterology. Current co-editor of the American College of Gastroenterology GI Universe, GI section editor for Medscape Gastroenterology, Medscape GI Viewpoints, and Medscape GI Consultant Corner, as well as the esophageal section editor for Journal Watch Gastroenterology (New England Journal of Medicine). He is on numerous editorial boards and reviews for 21 medical journals. He was the physician who worked with Virginia State Senator Emily Couric to put through the historic first legislation to mandate colon cancer screening with colonoscopy as the preferred standard. This initiative first in VA, has set the model for other states which have followed with similar legislation mandating CRC screening.