| Year | Position | Institution |
| 1980 | National Institutes Of Health 4 | |
| 1981 | National Institutes Of Health 4 | |
| 1983 | Nih 4 | |
| 1987 | Nih 4 | |
| 1987 | Niaid 4 |
| Year | Role | Course |
| 1980 | Faculty/Staff/Lecturer | Biology Of Parasitism 1980 |
| 1981 | Faculty/Staff/Lecturer | Biology Of Parasitism 1981 |
| 1983 | Faculty/Staff/Lecturer | Biology Of Parasitism 1983 |
| 1987 | Faculty/Staff/Lecturer | Biology Of Parasitism 1987 |