| Position |
Organisation |
Period |
| Professor |
Dept of Microbiology & Molecular Genetics, and Dept of Entomology, Michigan |
2004 - 2016 |
| Associate Professor |
Dept of Microbiology & Molecular Genetics, Michigan State University |
2001 - 2004 |
| Associate Professor |
Dept of Entomology, Michigan State University |
1995 - 2004 |
| Assistant Professor |
Dept of Entomology, Michigan State University |
1990 - 1995 |
| Post-doctoral Research Associate |
Dept of Entomology, Michigan State University |
1986 - 1990 |
| Post-doctoral Research Associate |
Dept of Biological Sciences, University of Notre Dame |
1983 - 1986 |
| Graduate Research Assistant |
University of Massachusetts, Amherst, Massachusetts |
1979 - 1983 |
| Graduate Teaching Assistant |
Ohio University, Athens, Ohio |
1979 - 0000 |
