-         Demonstrator in Plant Pathology, in Universityof Suez Canal, Ismailia, Egypt, 1979.

-         Assistant Lecturer, in Plant Pathology,  Universityof Suez Canal, Ismailia, Egypt, 1984.

-         Lecturer in Plant Pathology, Alexandria University, Damanhour, Egypt, 1995.

-         AssistantProfessor, Plant Pathology, Alexandria University, Damanhour, Egypt, 2003..

-         Headof Plant Pathology Dept., Alexandria University, Damanhour, Egypt, 2009.

-         Vice Dean for teaching and students affair, Faculty of Agriculture, Damanhour University, Egypt, 2012.