Dr. Mitchell serves as Vice-President for Medical Affairs at UT Southwestern where he is also the Nancy and Jeremy Halbreich Professor of Internal Medicine. He is Chief Medical Officer for the Southwestern Health Resources Physician Network and Accountable Care Network. Dr. Mitchell’s clinical and research interests are in gastroenterology and liver diseases.    He earned his medical degree from Johns Hopkins University School of Medicine, where he was elected to Alpha Omega Alpha. Before coming to UTSW, he was Chief of Gastroenterology and Medical Director of Ambulatory Services at Johns Hopkins Bayview Medical Center, Chairman of Internal Medicine at Greater Baltimore Medical Center, and Chairman of Medicine at Carolinas Medical Center in Charlotte, North Carolina. He is president of ABMRF/The Foundation for Alcohol Research and was awarded the Seixas Award for Distinguished Service by the Research Society on Alcoholism.  He is a member of the Board of Scientific Counselors for the National Institute of Alcoholism and Alcohol Abuse (NIAAA) and was previously a member of the Advisory Council for NIAAA and the examination committee of the American Board of Internal Medicine.