Director, Tech Advisor Division, Project(s) Management Department, International Fund for Agricultural Development since 1979. Coord, International Fertilizer Supply Scheme, Food and Agriculture Organization, Rome. First Permanent Representative of Egypt to Food and Agriculture Organization of the United Nations.
Advisor, Ministry of Agriculture, Egypt. Head, Department of Soil Science & Agr Chem, University of Dar-es-Salaam, Tanzania. Head, Agronomy Department, Agr College, Morogoro, Tanzania.