• Served as a Specialist, Plastic Surgery Dept., School of Medicine, Korea University
• Adjunct Professor of Plastic Surgery Dept., School of Medicine, Korea University
• Served as Chief of Plastic Surgery Dept., Sinchon Yonsei Severance Hospital
• Official Member, the Korean Society for Aesthetic Plastic Surgery
• Official Member, Plastic Reconstructive Surgery Korea
• Active Member, Int'l Confederation for Plastic Reconstructive Aesthetic Surgery
• Active Member, Japan Society of Aesthetic Surgery
• Active Member, European Academy of Cosmetic Surgery
• Advisory Plastic Surgeon of MBC, KBS & SBS Talent Management Dept., MTM Entertainment, and Miss World University Pageant
• Advisory Plastic Surgeon of Korea Broadcast Association Union and Seoul Performing Art College
• Judge, Miss World University Pageant and Jett Super Girl Model Competition