1.Dec.1991/Present:

Professor of physics, Eng. Physics & Math. Dept, Faculty of Engineering, Ain-Shams University, Cairo, Egypt.

2.Sept.1994/Present:

Lecturing Computer Sciences at CACE, American University in Cairo.

3.Sept.2001/Present:

Lecturing Computer Sciences at Higher Institute for Business Science and Foreign Trade ( Management Information System), and Higher Institute for Computer Sciences and Information Systems (New Cairo Academy),5^th district, New Cairo city, Egypt.

4. Consultant:

Full experience concerning computer facilities techniques, and sciences in solving many problems.

5. 1996-2001:

Lecturing Physics at the faculty of Science, Cairo University, Beni-Suef Branch( Part Timer).

6.Sept.1986-June,1990:

I was delegated to Algerie, Oum-El-Bouaghi, Ecole Normale Superieure D’Oum-El-Bouaghi.

7.Nov.,1985- Dec.1991:

Associate Professor of physics, Eng. Physics & Math. Dept , Faculty of Engineering, Ain-Shams University, Cairo, Egypt.

8.Oct.1980-Oct.1984:

Assistant Professor of physics, Eng. Physics & Math. Dept , Faculty of Engineering, Ain-Shams University, Cairo, Egypt.

9.Nov.1984-Sept.1985:

Research grant, Faculty of Physics, Moscow State University, Moscow, USSR.

10.Sept.1980-     June 1981:

Lecturing physics and Computer Science applications at the faculty of Education, University of Mansoura, Domeate, Egypt.

11.Sept.1975- Jan.1980:

Researcher for the degree of Ph.D. at the Faculty of Physics, Kharkov State University, Kharkov, USSR.

12.Aug.1974-     Sept. 1975:

Programmer at the Computer Center, American University in Cairo, Egypt.

13.Dec.1974-Aug.1975:

Assistant lecturer, Eng. Physics & Math. Dept, Faculty of Engineering, Ain-Shams University, Cairo, Egypt.

14.Oct.1967-       Nov. 1974:

Demonstrator, Eng. Physics & Math. Dept, Faculty of Engineering, Ain-Shams University, Cairo, Egypt.