| 1985 - present | Consulting Engineer |
| Los Angeles, CA | |
| 1988 - present | Consultant, Visiting Assistant Researcher, Postdoctoral Fellow |
| University of California, Berkeley | |
| University of California, Los Angeles | |
| State University of New York, Stony Brook | |
| 1985 - 1990 | Post Graduate Research Engineer |
| University of California, Los Angeles | |
| Los Angeles, CA | |
| 1975 - 1985 | Metallurgical Engineer and Consultant |
| Failure Analysis Associates | |
| Los Angeles, CA | |
| 1976 - 1978 | Postgraduate Research Engineer and Research Assistant |
| University of California, Los Angeles | |
| Los Angeles, CA |