Mark Feldman, MD, FACP, Associate Editor
William O. Tschumy, Jr., M.D., Chair of Internal Medicine
Director, Internal Medicine Residency Program
Presbyterian Hospital of Dallas
Clinical Professor of Internal Medicine
University of Texas Southwestern Medical School at Dallas
Dallas, Texas

Of note: Member, Editorial Board, American Board of Internal Medicine; Editor, Current Treatment Options in Gastroenterology; Journal Consultant, Journal of Clinical Investigation, New England Journal of Medicine, Journal of the American Medical Association, Annals of Internal Medicine, Diabetes, Archives of Family Medicine, and The Lancet.

Special interests: Cyclooxygenase-2 inhibitors and Helicobacter pylori.