한국국제의료협회

1973-1975: Premedical Education, Yonsei University College of Science, Seoul, Korea 

1975-1979: M.D.Yonsei University College of Medicine, Seoul, Korea 

1990-1992: Ph.D, Korea University College of Medicine, Post graduate School, Department of Physiology, Seoul, Korea 

1979-1980: Internship, Severance Hospital, Yonsei University, College of Medicine, Seoul, Korea 

1980-1983: Residency in Internal Medicine,Severance Hospital, Yonsei University,College of Medicine, Seoul, Korea 

1983-1986:Military Service as a doctor 

1986-1989.2：Cardiology Felloｗ，Division of Cardiology, Severance Hospital,Yonsei University, College of Medicine, Seoul, Korea 

1989-1993: Assistant Professor of Medicine, Division of Cardiology, Department of Internal Medicine, University of Ulsan, College of Medicine, Seoul, Korea 

1992-1993.6: Research Associate, Baylor College of Medicine, Center for Experimental Therapeutics, One Baylor Plaza, Room 826E, Houston, Texas 77030, U.S.A. 

1995-2000: Associate Professor of Medicine, Director, Interventional Cardiology, Cardiovascular Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea 

1996-2002: Associate Professor of Medicine, Chief, Division of Interventional Cardiology, Cardiovascular Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea 

1998-: Editorial Board, Interventional Cardiology Bulletin 

2000-: Professor of Medicine, Chief, Division of Interventional Cardiology, Cardiovascular Center, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Korea

2002-: Chairman, CardioVascular Research Foundation 

2004.3-2008.2: Chairman, The Korean Society of Interventional Cardiology 

2004.12-: Director, Clinical Research Center for Ischemic Heart Disease 

2006-2008: President, Asian Pacific Society of Interventional Cardiology 

2006.09-: Director, Asan Heart Institute 

2009.11.-2015. 8: Chairman, Heart Institute, Asan Medical Center 

2014.3-2015.6: Overseas Deputy Editor, Journal of American College of Cardiology 

2017.1- 2018.12: Chairman, The Korean Society of Cardiology 

2019.9–: Distinguished Chair Professor, Asan Medical Center, University of Ulsan College of Medicine