1. Senior Technical Consultant National Emergency Transport Rehabilitation Project (NETREP). For the formulation of an Environmental and Social Assessment Unit in The Ministry of Transport Roads and Bridges (April –Dec. 2007).

2. Environmental Expert of the Regional Committee of the Joint Multipurpose Project, Nile Basin Initiative (2005 – current).

3. Environmental Expert of the Regional Committee for Cooperative Regional Assessment, Nile Basin Initiative (2005 – current).

4. Environmental Consultant. Dams Implementation Unit, Republican Presidency. 2007- current).

5. International Water Expert. Theme “Climate Change and Extreme Events. Water Tribune Workshops. Zaragoza International Exhibition. Spain. June –September 2007.

6. Resource Person. 6th Technical Training Course for using EIA as a tool for the preservation and management of cultural heritage. CHDA and Sudan National Corporation for Antiquities and Museums. Karima- Sudan. 20 – 30 October 2008.

7. Resource Person. The Training Course in Conservation and Maintenance of Mud Cultural Heritage in the Island of Sai, Sudan. CHDA, CRATerre-ENSAG and Sudan NCAM. The Island of Sai: 4-6 December, 2008.

8. Regional Water Resources Consultant for the study on the preparation of the African Water Development Report (AWDR). Integrated Water Resources Management, United Nations Economic Commission for Africa (UNECA), Lusaka, Zambia. (Dec. 09 –April 2010).

9. Regional Expert for the preparation of Atlas of “Africa’s Water Resources: Challenges and Opportunities”. UNEP’s Division of Early Warning and Assessment (DEWA), in collaboration with UN, Africa. (Jan-Oct. 2010).
10. African Expert on Water Policies for the preparation of “Global Environmental Outlook -5″. UNEP’s Division of Early Warning and Assessment (DEWA) (2010 – 2012).