Adjunct Professor, Urology, Director, Urology Research Laboratory LABioMed-Harbor/UCLA, Professor, Endocrinology, Charles Drew University. Consecutive PhDs, Biochemistry, University of Buenos Aires and London. Professor of Biochemistry, Cell Biology, Central University of Venezuela, Visiting Professor/scholar, MIT, Caltech, City of Hope, UCLA. His current research interests focus on the modulation of stem cell differentiation by nitric oxide/cGMP, and myostatin, and its application to the therapy of erectile dysfunction, diabetic nephropathy, urogenital disease associated with tissue fibrosis. Funded by NIH, Department of Defense, and other agencies.