| 1986-1987 | Department of Forestry Board Secretary |
| 1987-1989 | Representative of the Department of Forestry in the Faculty Board of Agriculture. |
| 1989 | Visiting Scientist to the faculty of Forestry, University of Dresden, Germany (3 months) |
| 1990 | Member of the Workshop held in the University of Helsinki, Helsinki, Finland (4months). |
| 1991 | Visiting Scientist, Institute of Forest Management and Yield science, University of Goettingen, Goettingen, Germany (3 months) |
| 1994 | Visiting Scientist, Institute of Forest Management and Yield science, University of Goettingen, Goettingen, Germany (3 months) |
| 1995- 1997 | A member of the Sudan National Forest Inventory Steering Committee (3 months) |
| 2003- 2009 | Director, Teaching Assistants Administration, University of Khartoum, Khartoum-Sudan |