• Served as Chief Surgeon, Plastic Surgery Dept., Ansan Jungang Hospital
• Served as Chief Surgeon, Plastic Surgery Dept., Fatima Hospital
• Adjunct Professor, Plastic Surgery Dept., Seoul Asan hospital
• Official member, the Korean Society of Plastic and Reconstructive Surgeons
• Official member, the Korean Society for Aesthetic Plastic Surgery
• Official member, Korean Cleft Palate-Craniofacial Association
• Official member, the Korean Association of Plastic Surgeons