| Year | Position | Institution |
| 1977 | Ecosystems Center 4 | |
| 1979 | Year-In-Science | University Of North Carolina 4 |
| 1980 | Year-In-Science | University Of North Carolina 4 |
| Year | Role | Course |
| 1977 | Assistant | Ecology 1977 |
| 1977 | Graduate Research Assistant | The Ecosystems Center 1977 |
| 1977 | Student | Year-In-Science (I975-I976) 1977 |
| 1978 | Graduate Research Assistant | The Ecosystems Center 1978 |
| 1978 | Student | Year-In-Science 1978 |
| 1979 | Trainee | The Ecosystems Center 1979 |
| 1980 | Trainee | The Ecosystems Center 1980 |