1. Economist, Agricultural Policies Division, The World Bank, Washington, D.C. and Assistant Professor of Agricultural and Applied Economics, University of Minnesota, St. Paul, Minnesota.
2. Professor of Economics, University of California, San Diego, California, and Economist, Trade, Finance and Industry Division, Technical Department, Latin America and the Caribbean Region, The World Bank, Washington, D.C..
3. President, Ben Gurion University of the Negev, Beersheva, Israel.
4. Rector and Professor of Agricultural Economics, Budapest University of Economic Sciences, Budapest, Hungary.