Dr. Reyes is an Emeritus Professor in Pharmacology from the University of the East Ramon Magsaysay Memorial Medical Center, Inc. where she also earned her medical degree. She served as Chairman of the Department of Pharmacology for 15 years and as Dean of the College of Medicine from 2007 to 2016.
She was a visiting fellow in Clinical Pharmacology at Northwestern University Memorial Hospital in Chicago, Illinois and was a Josiah Macy – Harvard Scholar on Program for Leaders in Medical Education at the Harvard Macy Institute, Harvard Medical School, Boston, Massachusetts.
For over the past 25 years she has been involved in reforms in undergraduate and postgraduate internship medical education program in the Philippines. She was the President of the Association of Philippine Medical Colleges, Inc. and a member of the Commission on Basic Medical Education of the Philippine Accrediting Association of Schools, Colleges and Universities. She has been a speaker on medical education and accreditation, and has written and published articles.
She is currently engaged in quality assurance of the medical education program offered by Philippine medical schools as an evaluator and accreditor. She is the incumbent Chair of the Technical Committee for Medical Education, Philippine Commission on Higher Education. They conduct monitoring and evaluation visits to medical schools together with the Professional Regulatory Board of Medicine, Professional Regulation Commission to ensure that the basic standards of quality of the medical program set by the Philippine regulatory authority are met by medical higher education institutions.
She is currently a member of the Advisory Board and the country representative to the Western Pacific Association for Medical Education.