2004
Vascular Surgery , Thailand
1998
Vascular Surgery , Mount Sanai School of Medicine of New York University, United States
Vascular Surgery, Royal College of Physicians and Surgeons of Canada, Canada
1997
Surgery, Mayo Medical School and Mayo Clinic, United States
Surgery, Royal College of Physicians and Surgeons of Canada, Canada
1992
General Surgery, Faculty of Medicine, Phramongkutklao College of Medicine,Thailand