| Professor of Pharmacognosy
Department of Pharmacognosy – Faculty of Pharmacy – University of Khartoum August 2014 – |
| Professor of Pharmacognosy& Head of Department Khartoum College for Medical Sciences. Since November 2012 up to now. |
| Director
Medicinal & Aromatic Plants Research Institute National Research Institute June 2010 to November 2012 |
| Research Professor since –July 2007 |
| Head of Phytochemistry and Taxonomy Department Associated Research Professor
Medicinal and Aromatic Plants Research Institute -National Centre for Research (Dec .1992 – March 1997 then december- 1997 up to July 2007. |
| Assistant Research Professor
Medicinal and Aromatic Plants Research Institute -National Centre for Research (MAPRI) Feb. 1992 Dec. 1992 |
| Research Assistant
Medicinal and Aromatic Plants Research Institute -National Centre for Research (MAPRI) Oct. 1985 – 1991 |
| Medical Representative |
| Merrell international USA – united chemicals drug agentsJan. 1980-Sep.1984 |
| Retail Pharmacist |
| Private Pharmacy Oct.1978 – Dec.1979. |