Professor and Chair Emeritus, Department of Agricultural Economics, University of Kentucky

Economist, Millennium Challenge Corporation

Earth and Environmental Enggineering, Columbia University

Chr. Michelsen Institute

Associate Professor (Marketing) School of Business, Galgotias University

Leibniz Institute of Agricultural Development in Transition Economies (IAMO)

University of Michigan School of Natural Resources and the Environment

Researcher at ILRI

International Livestock Research Institute