1.
Distinguished Professor, Department of Computer Science, New Jersey
Institute of Technology, Newark, NJ, January 1999 - Present.
2.
Acting Chair, Division of Computer Science, New Jersey Institute of Technology,
Newark, NJ, July 2000 – August 2001.
3.
Chairman, Department of Computer and Information Science, New Jersey
Institute of Technology, Newark, NJ, January 1999 - June 2000.
4.
Professor, Department of Computer Science and Engineering, University of
Nebraska-Lincoln, Lincoln, NE, August 1990 - December 1998.
5.
Chairman, Department of Computer Science and Engineering, University of
Nebraska-Lincoln, Lincoln, NE, August 1990 - August 1996.
6.
Associate Program Head, Computer Science Program, The University of
Texas at Dallas, Richardson, TX, January 1987 - August 1990.
7.
Professor, Computer Science Program, The University of Texas at Dallas,
Richardson, TX, September 1985 - August 1990.
8.
Associate Professor, Department
of Electrical Engineering and Computer Science, Northwestern University,
Evanston, IL, September 1981 - August 1985.
9.
Assistant Professor, Department of Electrical Engineering and Computer
Science, Northwestern University, Evanston, IL, September 1977 - August 1981.
10. Assistant Professor, Department of Computer Science, Virginia Polytechnic Institute and State University, Blacksburg, VA, December 1976 - August 1977.