09-16.02.2008             “International Deans’ Course, Part II”, organised by German Academic Exchange Service (DAAD) and German Rektors’ Conference, Addis Ababa, Ethiopia

06-16.05.2007             “International Deans’ Course, Part I”, organised by German Academic Exchange Service (DAAD) and German Rektors’ Conference, Osnabrück/ Berlin, Germany

07-20.11.2004             “Market access for small-scale producers in export horticulture: to meet food safety and quality grades and standards in East Africa”, organized by the International Agricultural Centre (IAC), The Netherlands and Egerton University, in Njoro, Kenya.

09-10.2004                  “Molecular Biology Course (Level 1)”, organized by the National Health Laboratory, Ministry of Health, Khartoum, Sudan.

07-10.1997               “International Vegetable Production Course”, organized by the

International Agricultural Center (IAC), in The Netherlands.