• Graduated from School of Medicine, Yonsei University
• M.Med. & M.D., Graduate School of Medicine, Yonsei University
• Chief of Critical Care, Konkuk University Medical Center
• Chief of Cardiology, Konkuk University Medical Center
• Councilor, the Korean Society of Cardiology
• Councilor, Conference Committee, Vice-Chairman, Korean Society of Echocardiography
• Served as Research Fellow, Echo Lab at University of Alabama in Birmingham, USA
• Served as Committee of Medical Journals of Konkuk University
• Served as Chief of Internal Medicine, Minjoong Hospital of Konkuk University
• Served as Intern, Resident & Clinical Instructor of Internal Medicine, Severance Hospital of Yonsei University