Dr. Caballero is Professor of International Health and Maternal and Child Health at the Johns Hopkins Bloomberg School of Public Health, and Professor of Pediatrics at the School of Medicine, Johns Hopkins University. He has over 20 years of experience as a scholar, researcher and leader in the area of child health and nutrition. He obtained his MD from the University of Buenos Aires and his PhD (in neuroendocrine regulation) from MIT. He is the founding director of the Center for Human Nutrition at Johns Hopkins University.