1. Consultant Ecologist of the Jonglei Team (1976) to assess the impact of the Jonglei Canal Project on the environment of the ”Sudd” region, southern Sudan. (Ministry of Irrigation and the University of Khartoum)

2. Co-ecologist for Hydrowgrowth Ltd. {Contract for the Natural Environment Research Council (U.K.) to assess GROWSOAK using tree seedlings in the Sudan}. 1987

3. Consultant for Institute of Terrestrial Ecology (UK)/Institute of Environmental Studies (U. of Khartoum) project on the rehabilitation of degraded soils in the rain-fed mechanized schemes in Dali area, Blue Nile (1989- 1990).

4. Ecologist/Environmentalist consultant to provide technical support for USAID (Sudan) in the preparation of Environmental Assessment to its Medium Term Locust Programme (June 25th- July 31st, 1988). (USAID and The Institute of Environmental Studies, U. of K.)

5. Team member in a consultancy study to evaluate development projects and potentials in northern Darfur, 90/1991. (Sudanese Environmental Conservation Society, Khartoum) and the IUCN.

6. Team Leader for the study of the environmental impact of IFAD’s “En-Nuhaud Cooperative Credit Project, Western Sudan”. (Sudan Environment Conservation Society and IFAD). (June –August 1998).

7. Plant Ecologist Consultant for the EIA of Muglad Basin Oil Field Development, Field Production Facilities. (China Petroleum Engineering Construction Corporation and the Institute of Environmental Studies). (1998 -2000).

8. Team leader for the consultancy to evaluate Carbon Sequestration in Western Kordofan Rangelands. (UNDP and Institute of Environmental Studies). (1998).

9. Freshwater Ecologist Consultant for Higher Council for Environment and Natural Resources (HCENR) Biodiversity Assessment: National Biodiversity Strategy and Action Plan (NBSAP) SUD/97/G31. May- June 1999.

10. Team leader for the “Baseline Survey of Bashayer Marine Terminal”. The University of Khartoum Consultancy Corporation made the study for Greater Nile Operation Petroleum Company. 1999.

11. Co- Consultant for “The Assessment of Biological Pollution of Lakes and Barrages in the Sudan”, Arab Organization for Agricultural Development, Khartoum. 2000.

12. Environmental Consultant for the Ministry of Finance and National Economy for the preparation of Sudan’s paper to the International Conference of the “Least Developed Countries”. Brussels 2001.

13. Team Leader for the study team of the University of Khartoum Consultancy Corporation for the “Environmental Assessment and Monitoring Study for Bashayer Marine Terminal”. Greater Nile Petroleum Operation Company, October 2001.

14. Team Leader for the Environmental Impact Assessment for Munga Field Production Facilities. Greater Nile Petroleum Operation Company and the Institute of Environmental Studies, U of K. May-June 2002.

15. Team Leader for the Environmental Impact Assessment for Bamboo Field Production Facilities. Greater Nile Petroleum Operation Company and the Institute of Environmental Studies, U of K. May-June 2002.

16. Principal Ecologist/Environmentalist of the EIA for El Renk- Malakal Road (2003). Tekno Consultancies.

17. Principal Environmentalist/Ecologist of the EIA for Wad El Mugaddam Agricultural Project. Northern Sudan. University of Khartoum Consultancy Corporation. (2003).

18. National Team Leader: EIA for Petrodar Palouch – Red Sea Oil Pipeline. PECS – RSKENSR. (2004).

19. Team Leader of EIA for Petrodar Production Facilities of Melut Oil Fields. VECO Engineering Co. Abu Dhabi, UAE. (2004).

20. Team member for the EIA for Atbra – Merowe Road. Khartoum Consultancy House. August 2004.

21. National Environmental Expert for the EIA for Merowe Dam Irrigation Project. Merowe Damp Project Implementation Unit. August/September 2004, & February/March 2005.

22. Team Leader for the study of the University of Khartoum Consultancy Corporation and the Institute of Environmental Studies on the “Environmental Assessment and Monitoring Study for Bashayer Marine Terminal”. Greater Nile Petroleum Operation Company, December 2004.

23. Team Leader for the study of the University of Khartoum Consultancy Corporation and the Institute of Environmental Studies on the “Environmental Impact on the Onshore Environment of Bashayer Marine Terminal”. Greater Nile Petroleum Operation Company, December 2004.

24. Team Leader for the Institute of Environmental EIA study for Petrodar Marine Terminal , Bashayer 2, December 2004.

25. Principal Environmentalist/Ecologist of the EIA for Kehaila Agricultural Project River Nile State Sudan. University of Khartoum Consultancy Corporation. (2004).

26. Team leader for the EIA study for Block B, southern Sudan, for White Nile Petroleum Operating Company (WNPOC). (2005).

27. Coordinator and Principal Environmentalist of the EIA for LAR Agricultural Project River Nile State Sudan. University of Khartoum Consultancy Corporation. (2005/2006).

28. Coordinator of the EIA study for Selaim- Halfa road. 2006.

29. Environmentalist for North Kordofan Water Pipe Project Feasibility Study. UKCC for North Kordofan State (2006).

30. Team Leader of Environmental Impact Assessment for Port Sudan New Refinery. APS engineering, Italy. (2006)

31. Team Leader & Principal Instructor: Environmental Awareness Campaign for Greater Nile Petroleum Operating Company. Institute of Environmental Studies. (2006-2007).

32. Environmentalist for Kannar Agricultural Project Feasibility Study. UKCC for North Kordofan State (2007).

33. Team Leader for Environmental Impact Assessment for Gadamai -Hamshkoraib Road. World Bank and Ministry of Transport, Roads and Bridges. September 2007.

34. Environmental Consultant for Solid Waste landfill Project in Omdurman. PECS Company Ltd., Khartoum. March- June 2008.

35. Ecologist Consultant for the formulation of TOR for the establishment of Database and landuse map for Greater Darfur. WB and the Remote Sense Authority. June- August 2008.

36. Project Coordinator for an EIA Study for Block 14 North Sudan. PetroSA. Company, South Africa. Joint Venture UKCC and IES U. of Khartoum. September –October 2008.

37. Principal Environmentalist of the EIA for El Roseiris Agricultural Project, Blue Nile State. University of Khartoum Consultancy Corporation for Dams Implementation Unit (2009).

38. Principal Environmentalist of the EIA for Roseiris Reservoir Resettlement Projects. University of Khartoum Consultancy Corporation and Dams Implementation Unit (2009).

39. Team Leader for Environmental Impact Assessment for Kajbar Hydropower Project. UKCC and Fichtner (Germany) for DIU. March –July 2009).

40. Team Leader for Environmental Impact Assessment for Shereik Hydropower Project. UKCC and Fichtner (Germany) for DIU. March –July 2009).

41. Environmental Impact Assessment Expert for a Consultancy project for “Capacity Building in Environmental management for Sudan”. The Contractor is Golders Associates, South Africa. The project is prepared for the Ministry of Environment and Physical Planning and sponsored by the MDTF. August – October 2009.

42. Environmental Expert for Initial Environmental Evaluation for Six Agro- Industrial Projects in Sudan. Ministry of Agriculture and Forests, Sudan. February – April 2010.

43. Environmental Expert for “The Nile Avenue Widening Project”. Dar Consultants and the Government of Khartoum State. September-November 2010.

44. Team Leader for Environmental Impact Assessment Transmission Pipeline from Block 17 to Block 6 Baleela. StarOil Petroleum Company, Sudan. Institute of Environmental Studies University of Khartoum. January, 2012.