| Position |
Employer |
Period |
| Professor (Tenured) |
School of Industrial and Systems Engineering |
1977-Present |
Associate Professor |
School of Industrial and Systems Engineering (Joint
with School of Health Systems) |
1972-1977 |
Chancellor's Distinguished
Professor |
University of California, Berkeley (Department of
Industrial Engineering and Operations Research and
Graduate School of Business) |
August-December 1988 |
| Assistant Professor |
Department of Operations Research and Systems
Research, Center Case Western Reserve University |
1968-1972 |
Professor in Residence |
School of Engineering, Howard University
|
1972 |
| Development Engineer |
Water Resources Center, UCLA |
1966-1968 |
Research Associate |
Departments of Engineering and Medicine, University
of Southern California |
1965-1968 |
| Instructor |
Mathematics, Columbia University |
1965 |
Instructor |
Science, Lagos Center for Higher Studies |
1960-1961 |
