3) Member of the Egyptian Computer Society Board, (1980 – at present).

1) Member of the Executive Committee of the African Mathematical Union, (2000-2004) and Vice Preside

2) Member of the National Committee of Mathematics, the Academy of Scientific Research and Technolog

4) Member of the Egyptian Mathematical Society Board, (one year).

5) External member of the Permanent Evaluation Committee of work of “Professor and Assistant Profess

6) Reader for Bulletins and Journals in: the universities of Cairo, Ain-Shams, Assiut, Tanta and Man