HISTORY OF TRANSPLANT TRANSPLANT SURGEONS HEPATOLO- GISTS GASTROENTER- OLOGISTS NEPHROLO- GISTS CURRENT FELLOWS PREVIOUS FELLOWS CONTACT   John Roberts, M.D. Chief, Transplant Division Professor of Surgery Nancy L. Ascher, M.D., Ph.D. Chair, Department of Surgery Professor of Surgery Sandy Feng, M.D., Ph.D. Fellowship Program Director Associate Professor of Surgery   Chris Freise, M.D. Associate Professor of Surgery Peter Stock, M.D., Ph.D. Professor of Surgery   Sang-mo Kang, M.D. Associate Professor of Surgery Andrew Posselt, M.D., Ph.D. Assistant Professor of Surgery Ryo Hirose, M.D. Associate Professor of Surgery     Please click on a surgeon's name or image to see their profile.