Professor Emeritus, College of Medicine, Hanyang University
Director, Hanyang University International Hospital
Director, Planning and Management, Hanyang University Medical Center
Head, Cardiac Center & Chief, Department of Cardiology , Hanyang University Hospital Cardiology Fellow, Georgetown University Hospital, USA
Chief, Department of Internal Medicine, Aerospace Medical Center, Korea Air Force Senior Aviation Medical Examiner, US Federal Aviation Administration (FAA)
Associate Fellow, American Aviation Medical Association
Resident, Seoul National University Hospital
Graduated from Seoul National University College of Medicine
Member, The Korean Association of Internal Medicine