Professor of Epidemiology and Public Health, Imperial College London

Professor, Universidad Peruana Cayetano Heredia

Professor of Physiology, University of Maryland

Professor of Medicine, Section of Nephrology, Yale University

Universidad Peruana Cayetano Heredia; Vanderbilt University

UNAH-FCM professor Internal Medicine,Honduras

Molecular Pathology Unit, Institute for Medical Research (IMR)

Saint Louis University

Walden University