Dr. Karen Bulan Reyes completed her BS Human Biology and Doctor of Medicine under the accelerated program at De La Salle University, Philippines.

She trained in ophthalmology at Cardinal Santos Medical Center and pursued fellowships in Cornea and Refractive Surgery at Asian Eye Institute and Neuro-Ophthalmology at Tan Tock Seng Hospital, Singapore. She earned her MBA-Regis from Ateneo de Manila University and is completing her MA in Health Professions Education. Dr. Reyes is Resident Training Officer in Ophthalmology at Cardinal Santos, Division Chief of Neuro-Ophthalmology at UP–Philippine General Hospital and Ospital ng Makati, and a member of the Philippine Cornea Society and Technical Working Group of the Philippine Board of Ophthalmology.

She is a past president of the Neuro-Ophthalmology Society of the Philippines and currently serves as council member of the Asian Neuro-Ophthalmology Society.