MD PhD.

Chairman-Elect, Board of Directors, Korean Orthopedic Association

Past President, Korean Foot and Ankle Society (KFAS)

Professor and Chairman, Department of Orthopedic Surgery,

Director, Foot and Ankle Center/ Sports Medicine Center, Konkuk University Medical Center

Vice President, Korean Sports Medicine Society

Medical Committee Member, International Bobsleigh-Skeleton Federation (IBSF)

Chairman, Medical Committee of Korean Bobsleigh-Skeleton Federation (KBSF)