2004
Vascular Surgery, Thai Medical Council, Thailand
1998
Vascular Surgery, Royal College of Physicians and Surgeons of Canada, Canada
1998
Vascular Surgery, Mount Sanai School of Medicine of New York University, United States
1997
Surgery, Royal College of Physicians and Surgeons of Canada, Canada
1997
Surgery, Mayo Medical School and Mayo Clinic, United States
1992
Surgery, Phramongkutklao College of Med, Thailand
1988
Doctor of Medicine, Phramongkutklao College of Medicine, Thailand
