1. Senior Research Fellow in the Markets, Trade, and Institutions Division, International Food Policy Research Institute, Washington DC, USA
2. Associate Professor in the Department of Economics and School of Public Policy and Administration, Carleton University, Ottawa, Canada
3. Economist in the Poverty and Equity Global Engagement Unit, World Bank, Washington DC, USA
4. Chief Economist and Director of Research in the Central Support and Leadership Teams, Precision for Development, Boston, MA, USA