A) Academic Rank:
1. Academic Staff Member, Crop Protection Department, Faculty of Agriculture, University of Khartoum from January 2001 till now, Professor.
2. Academic Staff Member, Plant Protection Department, College of Agriculture King Saud University fro 1.9.1988 till 1.7.1997, Associate Professor.
3. Academic Staff member, Crop protection Department, Faculty of Agriculture, University of Khartoum, from 1.7.1989, Assistant Professor.
4. Academic Assistant, Crop Protection Department, Faculty of Agriculture, University of Khartoum, from 1.4.1977.
(B) Administrative Positions:
1. Expert, Arab Organization for Agricultural Development, Arab League from 1.8.1985 till 30.7.1988.
2. Deputy, Dean of Student, Khartoum University from 1.9.1978 till 1.10.1979.
3. Assistant Field Inspector, Khasm Al-Girba Agricultural Scheme, Sudan from 1.8.1967 to 1.4.1968.
(C) Prizes and Honours
1. Honorarium course in North Carolina State University for 6 weeks (April/May 1985) sponsored by the Near-East Foundation, New York, U.S.A.
2. Honorarium course in Kenya (Ministry of Agriculture) and Great Britain (International Bee Research Association) for 2 weeks (October, 1981). Sponsored by the Organization of African Unity, Nairobi, Kenya.
Teaching,