| Year | Position | Institution |
| 1996 | University Of Alaska 4 |
| Year | Role | Course |
| 1975 | Student | Biosphere 1975 |
| 1976 | Student | Ecology 1976 |
| 1976 | Student | Year-In-Science (I975-I976) 1976 |
| 1979 | Staff | The Ecosystems Center 1979 |
| 1980 | Staff | The Ecosystems Center 1980 |
| 1983 | Staff | The Ecosystems Center 1983 |
| 1996 | Student | Microbial Diversity 1996 |