- The head of chief director in Change clinic, Seoul, Korea
- The honorary president of Korean Academy of Aesthetic Medicine
- The president of International Academy of Aesthetic medicine and Plastic surgery
- The executive vice president of Korean Academy of Face-lift and Contouring
- The vice president of Korea society of breast plastic surgery
- Professor, Samsung medical center, Seoul
Published paper
- S Line Story
- Obesity and Body Contouring
- Principle and Practice of Thread lifting