- Ramathibodi Hospital , Mahidol University , Bangkok , Thailand
- Diplomate Thai Board of Surgery
- Diplomate Thai Board of Plastic Surgery
- Certified Plastic and Recontructive Surgical Trainning ( U.S.A. , U.K. , Singapore , Thailand )
- 1978-1981 Surgery Resident, Ramathibodi Hospital , BKK, Thailand
- 1985 Fellowship in Plastic – Reconsturctive Surgery, SGH, Singapore
- 1988 Fellowship in Shirakabe Clinic Aesthetic, Osaka , Japan
- 1990 – 1991 Fellowship in Plastic – Reconsturctive Surgery, Canniesburn Hospital , Scotland , U.K.
- 1994 Fellowship in Plastic – Reconstructive Surgery, Chang Gung Memorial Hospital , Taipei , Taiwan
- 1995 – Visiting Doctor U.C.L.A, Los Angeles , U.S.A.
- Christian M. Kleinert’s Institute of Hand Surgery Louisville, Kentucky, U.S.A.
- Massachusette general Hospital, Boston, U.S.A.