Doctor of Medical, Pramongkutklao College of Medicine, Mahidol University,1981 – 1986.
Residency Training in Internal Medicine, Pramongkutklao Hospital and College of Medicine, 1990 – 1992.
Thai Board of Internal Medicine 1992
Fellow of the Royal College of Physicians of Thailand.
Degree of Doctor in philosophy in Clinical pharmcology, The Unversity of Liverpool, UK.,1998.