Fellowship of The Royal College of Surgeons (FRCS) of Thailand, 1988.
Study, Clinical attachment in urology and and renal transplantation in U.K. and Ireland,1985.
Residency - General Surgery, Royal Army Hospital, 1984.
Staff Surgery, Deja General Hospital, 1984.
Certificate for post proctorship for PVP laser prostate surgery, 2003.
Certificate for LDR bachytherapy, Seattle Prostate Institute, Seattle, USA, 2001.
Certificate for VLAP laser prostate surgery, 1994.
Thai Board of Urology, 1987.