1- The 5^th Euro-Arab Veterinary Conference, Khartoum, Sudan. Feb. 3^rd -5^th, 2002.

2- The 5^th International Conference on Mycetoma, Khartoum, Sudan. Feb. 4^th -6^th, 2003.

3- Deutsche Tropentag, Bonn. October 11^th -13^th, 2006, Germany.

4- Symposium of the Göttinger Proteomics Forum (Advance in Bioanalytical Mass Spectrometry), November 23^rd, 2006.

5- Tropentag: Conference on International Agricultural Research for Development, Witzenhausen, Germany, 9^th – 11^th October 2007.

6- Second Symposium of the Göttingen Proteomics Forum: Advances in Quantitative Mass Spectrometry, Göttingen, 18^th Nov. 2007.

7- First Scientific Conference of the Animal Research Corporation, Khartoum Sudan, August 17^th – 19^th 2008.

8- Humboldt-Kolleg Conference: New trends in Science and Technology to Enhance Sustainable Development in Africa, 23^rd – 26^th Nov. 2008, Khartoum North, Sudan