Kyungpook National University, Daegu, Korea(M.D. 1984)
Keimyung University, Daegu, Korea(Ph.D. 1994)
Fellow, National Cancer Center, Japan(1994)
Fellow, MGH, Harvard Medical School(1997-1998)
Instructor-Ass Professor, Kyungpook National University(1994-2000)
Asso. Professor, Catholic University of Daegu(2001-2002)
Asso. Professor, Seoul National University College of Medicine, Seoul, Korea(2003-2006)
Professor, Seoul National University College of Medicine, Seoul, Korea(2007-present)
Director, Respiratory Center, Chief of Dept of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Korea(2009-2012)
Chief External-affair Officer(2010-2013), Chief Finalcial Officer(2013-2016), Seoul National University Bundang Hospital
CEO and president(2016-2019), Seoul National University Bundang Hospital, Korea.
Founder(2011) and President(2011-2018), Asian Toracoscopic surgery Education Platform(ATEP)
President(2019-present), Asian Society for Cardiovascular and Thoracic Surgery