Dr Reyes received his medical degree from the University of the Philippines in Manila, Philippines. He completed his medical residency at Columbia University College of Physicians and Surgeons/Morristown Memorial Hospital in Morristown, NJ and then completed a fellowship in hematology and oncology at Tufts University School of Medicine/Baystate Medical Center in Springfield, Massachusetts. Dr Reyes has provided physician leadership at Leesburg Regional Medical Center, having served as either Chief or Vice-Chief of the Division of Oncology from 2001- 2012 and as a past Chairman of the Cancer Care Committee for the hospital. Over the past ten years, he has done research on the effects of chemotherapy in older patients.