• Served as Professor, Plastic Surgery Dept., Yeungnam University Hospital
• Exchange Professor & Completed training, Hospital of Harvard Medical School
• Trained under Dr. Koshima - head professor of Plastic Surgery Dept., School of Medicine, Tokyo University
• Trained at Sapho Clinic for Rhytidectomy / Nagumo Clinic for Mammoplasty in Japan
• Official Member, the Korean Society of Plastic and Reconstructive Surgeons
• Legislative Council & Official Member, Korean Society for Aesthetic Plastic Surgery
• Official Member, the Korean Association of Plastic Surgeons
• Director of International Cooperation & Official Member, the Korean Society for Surgery of the Hand
• Official Member, International Federation of Society for Surgery of the Hand
• Official Member, the Korean Society for Microsurgery & Korean Cleft Palate-Craniofacial Association
• Official Member, International Confederation of Plastic and Reconstructive Surgery 

• - Specialized in Oral & Maxillofacial Surgery
• - Ph.D in Implantalogy, College of Medicine, Korea University
• - Served as an adjunct professor, College of Medicine, Korea University
• - Served as a full time dentist, Wilshire Park Dental Institute in California