Uveitis, Francis I. Proctor Foundation for Research in Ophthalmology, University of California San Francisco, United States

Medical Cornea and External Disease, Francis I. Proctor Foundation for Research in Ophthalmology, University of California San Francisco, United States

Retina & Vitreous, Chiang Mai University / Royal College of Ophthalmologists of Thailand, Thailand

Ophthalmology, Chiang Mai University, Thailand

Doctor of Medicine, Ramathibodi Hospital, Thailand