- Professor and Head Department of Pathology, University of Khartoum.
- Dean, Faculty of Medicine, University of Khartoum
- Deputy Vice-Chancellor, University of Khartoum, Sudan
- Chairman, Medical Research Council, Sudan
- Director, Institute for Tropical Medicine Research, National Council for Research, Sudan
- Founding Minister of Higher Education, Sudan
- Professor and Chairman, Department of Pathology, College of Medicine and Medical Sciences, King Faisal University, Dammam, Saudi Arabia
- Director of Publications and Translations, College of Medicine and Medical Sciences, King Faisal University, Dammam, Saudi Arabia.
- Director Institute of Endemic Diseases, University of Khartoum
- Member of the University of Khartoum Senate
- Emeritus Professor of Pathology, Institute of Endemic Diseases, University of Khartoum, Sudan
- Chairman Sudan leishmaniasis Research Group, Institute of Endemic Diseases, University of Khartoum, Sudan.