Dr. Caballero is a professor of international health at the Johns Hopkins Bloomberg School of Public Health, and a professor of pediatrics at the Johns Hopkins University School of Medicine. He began his academic career at Harvard University, and moved to Johns Hopkins University in 1990 to establish the Center for Human Nutrition.

He has over 20 years of experience as a scholar, researcher, and leader in the area of health and nutrition in the developing world. Dr. Caballero’s research focuses on the impact of socioeconomic development on dietary and lifestyle changes resulting in increased risk for obesity and non-communicable diseases. In 2006, he received the Ancel Keys Prize for achievements in international public health. He has been a member of numerous domestic and international scientific advisory panels, including the Food and Nutrition Board of the Institute of Medicine of the National Academy of Sciences, the Dietary Guidelines for Americans Advisory Committee, the World Health Organization, the Pan American Health Organization, and of numerous governments in Europe, Latin America, Africa, and Asia. He has also served as the president of the Society for International Nutrition Research and is presently on the boards of directors of the International Nutrition Foundation and of the International Life Sciences Institute.

He is the author of over 150 scientific publications. His book, The Nutrition Transition: Diet and Disease in the Developing World, explored the impact of demographic and economic development on diet- and lifestyle-related diseases in developing countries. In his book Obesity in China he presents his research on the risk factors for obesity in rural and urban areas of that country. He is also the Editor-in-Chief of the Encyclopedia of Food Sciences and Nutrition, which is a 10-volume work on food production, consumption and biological effects. An earlier work, the Encyclopedia of Human Nutrition, received the Book of the Year Award from the British Medical Association.

Dr. Caballero obtained his medical degree from the University of Buenos Aires. He attained his masters of science from the University of San Carlos, and his doctorate from the Massachusetts Institute of Technology. He joined the board of directors of the Pan American Health and Education Foundation in 2007, and was elected chairman of the board in 2008.