Time                               Job                                                                  Organization
 

            1984 -2003               Professor (CS)                                            Tennessee State University

            2003 - Current           Head of Computer Science Department        Tennessee State University
           

            1982 -1983                Professor (CS)                                           Clark College USA
           

            1980 -1981                President                                                   University of Baluchistan (Iran)
               

            1978 -1979                Head: dept of Informatics                            Institute of Informatics (Iran)
           

            1971-1978                 Director of Computer Center                       University of Jondishapour (Iran)
          

            1962-1970                  Statistician                                  Food and Agriculture Organization of United Nations