Jef Leroy, a Belgian citizen, is a Senior Research Fellow in IFPRI’s Poverty, Health, and Nutrition Division. He studies the impact of two large-scale integrated food and nutrition programs in Burundi and Guatemala on maternal and child nutrition and health. He is also involved in research on the impact of aflatoxin on child linear growth in Kenya and Mexico and studies the measurement of linear growth retardation. Before joining IFPRI in July 2009, he was a research associate at the Center for Evaluation Research and Surveys at Mexico’s National Institute of Public Health in Mexico. In Mexico, he worked on the impact evaluation of large scale programs, including the impact of Mexico’s urban and rural Oportunidades programs on child nutrition and health, and the impact of the Programa de Apoyo Alimentario (a cash and in-kind transfer program) on household food consumption and women's weight. He has also conducted research on child mortality.

Jef Leroy has a PhD in International Nutrition (Cornell University, USA) and a MSc in Agricultural and Applied Biological Sciences (Ghent University, Belgium).

Languages spoken: Dutch, English, French, Spanish