| Year | Position | Institution |
| 1975 | Research Associate | Johns Hopkins University School Of Medicine 4 |
| 1976 | Postdoctoral Fellow | Johns Hopkins University 4 |
| 1978 | Assistant Professor | Department Of Physiology University Of Maryland School Of Medicine 4 |
| 1980 | University Of Maryland School Of Medicine 4 | |
| 1981 | University Of Maryland 4 | |
| 1983 | University Of Maryland 4 | |
| 1984 | University Of Maryland 4 |
| Year | Subject | Role |
| 1975 | Independent | |
| 1976 | Independent Investigators | |
| 1978 | Independent | |
| 1980 | Other Research Personnel | |
| 1981 | Other Research Personnel | |
| 1983 | Other Research Personnel | |
| 1984 | Other Research Personnel |
| Year | Location |
| 1984 | baltimore |