Agricultural and Food Engineering Department, IIT Kharagpur, India

School of the Environment, Yale University

Center for Development Research, University of Bonn

PhD, Professor

Indian Council of Agricultural Research, New Delhi; RVSKVV Gwalior; Water Technology …

Agricultural Economist (retired) World Agroforestry Centre, ICRAF

Professor, Faculty of Social and Applied Sciences, Royal Roads University

School of Government and Public Policy University of Arizona

University of Buea Cameroon

Economics Professor