Director, Institute of Endemic Diseases, University of Khartoum, 2003 to 2006
Acting Director, Institute of Endemic Diseases, June 2000 to February 2003.
Acting Director, Institute of Endemic Diseases, University of Khartoum.1 October 1997 to 1 January 1998.
Head, Department of Molecular Biology, Institute of Endemic Diseases, University of Khartoum, June 1994 to now.
Secretary Department of preventive Medicine and Public Health Faculty of veterinary Science,University of Khartoum,February 1993 to February 1994.
Secretary Faculty Research Board, Faculty of Veterinary Science, University of Khartoum, June 1990 to September 1992.
Assistant Director, Parasitic diseases research laboratory, Tropical Medicine Research Institute, National center for Research, June 1993 to June 1995.
Steering Committee Membership:
Co-chair: Human African Trypanosomiasis, Leishmaniasis and Chagas Disease reference group, TDR/ WHO May 2009 to May 20111. Member of The World Health Organization (WHO)/ TDR Steering Committee on Research Capability Strengthening, 1999 to 2001.
WHO temporary advisor and steering Committee member on Measles March 2002.
Member of Country coordination Committee Sudan for the Global Fund 2005 to now.
Member of the National Research Council, Federal Ministry of Health, Khartoum, Sudan.
Member of National Ethical Committee Federal Ministry of Health Sudan
Societies membership :
1. American society of Microbiology.
2. Sudanese society of Tropical Medicine and Hygiene.