Preventive Medicine, Occupational MedicineThai Medical Council, Thailand
2016
Special Clinical Fellowship in Occupational and Environmental MedicineHarvard Occupational and Environmental Medicine Residency, Harvard University, United States
វិញ្ញាបនបត្រ
2015
Educational Commission for Foreign Medical Graduates (ECFMG) CertificateAmerican Medical Association, United States
2014
Board of Registration in Medicine (licensed physician)The Massachusetts Medical Society, United States
