| 1992 - Present |
|
President, MicroDataware, Hayward CA |
| 1994 - Present |
|
Lecturer in Forensic Microscopy for California Criminalistics Institute at the Department of Justice, Bureau of Forensic Services, Sacramento, CA |
| 1994 |
|
Lecturer in Forensic Microscopy for the University of California, Berkeley, CA |
| 1986-1991 |
|
Founder and President of Forensic Analytical Specialties, Inc., (Hayward, CA) and Forensic Analytical Specialties - Southwest, Inc. (Rancho Dominguez, CA) |
| 1984-1986 |
|
Consulting Forensic Scientist with the Institute of Forensic Sciences Criminalistics Laboratory in Oakland, CA |
| 1982-1984 |
|
Founder and owner of San Joaquin Microscopy, a small business enterprise engaged in contract microscopy analysis and research in Fresno, CA |
| 1978-1984 |
|
Criminalist I - III with the Fresno County Sheriff's Department, Fresno, CA |