Education
2015
The American College of Surgeons, United States2009
Thai Medical Council, Thailand2007
International College of Surgeons, United States1998
Sukhothai Thammathirat Open University, Thailand1991
Johannes Gutenberg University of Mainz, Germany1990
Siriraj Hospital, Thailand1988
Siriraj Hospital, Thailand1982
Siriraj Hospital, Mahidol University, Thailand