• - Chief Director of ASAN RECONSTRUCTIVE ORTHOPEDICS
• - Knee Specialist at Asan Medical Center
• - Clinical and Outpatient Professor at Asan Medical Center
• - Doctor of Orthopedics, Yonsei University Graduate School
• - Head of Joint Center, NAMKISE Hospital
• - Head of Orthopedic Surgery, Dongducheon Central St. Mary's Hospital
• - Director of Joint Center, BARUN BORN Hospital
• - Director of Joint Center, OULIM Hospital
• - AKAS (Asan Knee Arthroplasty Surgery) Assistant
• - Compensation Reviewer, Seoul Metropolitan City School Safety Mutual Aid Association
• - Attending Physician, Yangju Hope Senior Welfare Center
• - Full member of The Korean Orthopaedic Association
• - Full member of The Korean Knee Society
• - Full member of the Korean Fracture Society
• - Full member of the Korean Society of Sports Medicine
• - International member of the Arthroscopy Association of North America (AANA)
• - Knee cartilage regeneration master course training at the Arthroscopy Association of North America