Dr. Dumapig is a board-certified ophthalmologist and retina specialist. He is a graduate of the University of the East Ramon Magsaysay Medical Center College of Medicine. He completed his residency training in Ophthalmology at the Philippine General Hospital and Medical Retina fellowship at the The Medical City, Pasig. He pursued further training at the University of Cologne, Germany. He is a fellow of the Philippine Academy of Ophthalmology.