The Second Class Honors, M.D., Faculty of Medicine, Mahidol University,1985
1. Diploma of Thai Board of Internal Medicine, The Medical Council of Thailand,1991
2. Diploma of The American Board of Internal Medicine,1996
3. Diploma of The American Board of Internal Medicine,1996
4. Diploma of The American Board of Hematology,1999
Fellow in Hematology and Oncology, The University of Chicago Medical Center,1999
1.Molecular Oncology, Viral Oncology