Jhanssen Faust Castillo, MD MBA currently holds clinic in different hospitals, south of Manila. He is an active Ophthalmology Consultant at Tagaytay Medical Center, Unihealth Sta. Rosa Hospital & Medical Center, and Candelaria Eye Care Clinic. He is a visiting consultant at United Candelaria Doctors Hospital (Candelaria, Quezon), New Padre Garcia Hospital (Padre Garcia, Batangas), Team Gawa Eye Center at Daet, Camarines Norte, Peter Paul Medical Center of Candelaria, Mary Chiles Hospital. He is currently a member of the faculty of Medicine at Lyceum of the Philippines University - St. Cabrini School of Health Sciences. Dr. Jhanssen Faust Castillo underwent observership at Jules Stein Eye Institute UCLA, Retina Division and at Stanford University Medical Center, Cornea and External Disease Division. He finished his Masters in Business Administration, silver medalist, at the Ateneo Graduate School of Business. He took up his residency training in Ophthalmology at Manila Doctors Hospital where he graduated as the most outstanding resident. He earned his medical degree, bene Meritus, at University of Santo Tomas and Bachelor of Science in Biology, cum laude, at De La Salle University-Dasmariñas.