Bruno Barbier is with the International Centre for Tropical Agriculture in Tegucigalpa and was formerly with the International Food Policy Research Institute (IFPRI).
Ben Cousins is with the Programme for Land and Agrarian Studies, University of the Western Cape, South Africa.
Salvador Fernández-Rivera works for the International Livestock Research Institute (ILRI), Nairobi.
Rachael E. Goodhue is in the Department of Agricultural and Resource Economics at the University of California, Davis.
Herman Grell is with the German Agency for Technical Cooperation, working at the Programme Sahel Burkinabé, Burkina Faso.
Peter Hazell is director of the Environment and Production Technology Division at IFPRI.
Pierre Hiernaux is with the International Livestock Research Centre, Nairobi.
M. Timm Hoffman is with the National Botanical Institute, Kirstenbosch, Cape Town.
Abdul B. Kamara is a graduate student at the Institute of Rural Development, Goettingen, Germany; and ILRI, Addis Ababa.
Michael Kirk is a professor at the Phillips-University of Marburg, Marburg, Germany.
Nancy McCarthy serves jointly with IFPRI and ILRI, based in Nairobi.
Maryam Niamir-Fuller is a range ecologist in Brasilia.
Tidiane Ngaido is a joint staff member of IFPRI and the International Center for Agricultural Research in Dry Areas, based in Syria.
Rick Rohde is from the Centre of African Studies, University of Edinburgh.
Pasquale Lucio Scandizzo is professor of political economy at the University of Rome and president of the Sichelgaita Institute of Economic and Social Research, Salerno, Italy.
Brent Swallow is with the International Center for Agro-Forestry in Nairobi.
Jean-Paul Vanderlin is a graduate student of York University, Toronto.
Timothy O. Williams is with the International Livestock Research Centre, based in Niamey.
