Visiting Fellow, Department of Plastic Surgery,
UCLA School of Medicine, Los Angeles, USA, 1997
Visiting Fellow, Department of Plastic Surgery,
Chang Gung Memorial Hospital, Taipei, Taiwan, 1996
Plastic Surgery Fellowship, Hand & Microsurgery,
St.Thomas's Hospital, University of London, UK., 1986
Visiting Fellow, Department of Plastic Surgery,
Canniesburn Hospital, Glasgow, Scotland, UK, 1986
Visiting Fellow, Hand and Microsurgery Centre,
Blodgett Memorial Hospital, Grand Rapids, Michigan, USA, 1986
Visiting Fellow, Department of Plastic and Reconstructive Surgery,
New York University Medical Centre, New York, USA, 1985
Plastic Surgery Residency,
Ramathibodi Hospital, Mahidol University, Thailand, 1980
General Surgery Residency,
Ramathibodi Hospital, Mahidol University, Thailand, 1978
M.D., Faculty of Medicine,
Siriraj Hospital, Mahidol University, Thailand, 1974