- Director of YEZAK Urology Clinic, Gangnam branch
- Urology Specialist
- Trained in the medical college of Columbia University
- Member of The Korean Society for Sexual Medicine and Adrology
- Member of The Korean Urological Association
- Member of The Korean Prostate Society
- Member of The World Association for Sexology
- Member of The American Society of Andrology
- Developed the 5-point stationary permanent penile lengthening surgery
- 2010, presentation of the article at ESSM
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