Marino De León In 1980 he was the Research Assistant in University of Puerto Rico, School of Medicine, San Juan, Puerto Rico. Then after from 1987-1990 he was the Postdoctoral Scholar from Stanford University School of Medicine, Stanford, California. From 1990-1993 he was the Staff Fellow, National Institutes of Health, Bethesda, MD. From 1993-pres Assistant, Associate and full Professor (Tenured), Department of Physiology and Pharmacology, Loma Linda University, Loma Linda, CA. From 1998-2001 Director, Research Apprenticeship for Minority Students Program (RAMP). From 2000-present Program Director, LLU-NIH Initiative for Student Development Program. From 1999-2006 Associate Director, Center for Molecular Biology and Gene Therapy. From 2001-present Director, Office of Student Development in the Biomedical Professions. From 1999-present Director, Center for Molecular Biology and Gene Therapy DNA Core Facility. From 2006-present Founding Director, Center for Health Disparities and Molecular Medicine.