Dr. Ereso graduated the medical school from the University of the Philippines College of Medicine. He did his internship at the St. Louis University School of Medicine and completed two residency programs: one at the Clement J. Zablocki VA Medical Center and the other at the Danbury Hospital. He is specialized in Pulmonology and board certified in Internal Medicine. Dr. Ereso has been in practice for more than 20 years and is affiliated with the Doctors Medical Center and the Memorial Medical Center.