Dr. Ray Chung is Director of Hepatology, Vice Chief of Gastroenterology and Medical Director of the Liver Transplant Program at Mass. General Hospital in Boston. He is also Associate Professor of Medicine at Harvard Medical School. He has been a leading researcher in translational research in HCV infection. Much of his laboratory's work has focused on mechanisms of viral persistence, characterization of host factors that support replication, and the identification of novel targets for antiviral strategies. His lab has also focused on mechanisms of enhanced liver disease pathogenesis in HCV-HIV coinfection. He has been an active member of the ACTG and been responsible for carrying out many of the key studies in HCV-HIV coinfection. He currently serves as Associate Editor of Gastroenterology and the Journal of Infectious Diseases.