Director - Africa Region, International Center for Tropical Agriculture (CIAT), Nigeria
Director for Africa at the International Center for Tropical Agriculture (CIAT), member of the Malabo Montpellier Panel, former Senior Technical Adviser on Environmental Policy to the Minister of Agriculture and Rural Development in Nigeria and team leader of the Environment and Climate Change Unit in the Ministry (2012-15).
Regular columnist for the Mexican daily El Financiero, the Spanish daily El País and The New York Times. In 1997, he was appointed Global Distinguished Professor of Political Science and Latin American Studies at New York University. Board member of Human Rights Watch (HRW) since 2003.