Transplant surgeon
2004 - 2006: Fellow, HBP Surgery and Liver Transplantation, Asan Medical Center
2006 - 2008: Fellow, Abdominal Transplantation, University of Cincinnati (Cincinnati, Ohio, USA)
2008 ~ 2009: Assistant Professor of Surgery, Abdominal Transplantation, University of Cincinnati (Cincinnati, Ohio, USA)
2007: Fellows Excellence in Research Award, Transplant Summit 2007
2015: The Korea Health & Medical Award 2015 (Organ Transplantation Center, General Hospital Division)
2006 -: Regular Member, American Society of Transplant Surgeon (ASTS)
2008 -: Regular Member, International Hepato-Pancreato-Biliary Association (IHPBA)
2008 -: Regular Member, International Liver Transplantation Society (ILTS)
2015 -: Member, Endoscopic and Laparoscopic Surgeons of Asia (ELSA)