Director
Korea Cancer Center Hospital, Republic of Korea
Orthopaedic Oncologist, Department of Orthopaedic Surgery, Korea Cancer Center Hospital
Director, Communication Office, Korea Institute of Radiological Medical Sciences (KIRAMS)
Team Physician, Korea National Ski Team
FIS Representative, Korea Ski Association
Visiting Scholaship, Michigan Rogel Cancer Center
Visiting Scholaship, Vienna General Hospital
Member of Korean Spine Society
Member of Korean Musculoskeletal Oncology Society