| Year | Position | Institution |
| 1965 | Institute For Cancer Research | |
| 1966 | Institute For Cancer Research | |
| 1967 | Institute For Cancer Research | |
| 1968 | Georgetown University | |
| 1969 | Georgetown University | |
| 1970 | Georgetown University | |
| 1971 | Georgetown University | |
| 1972 | Georgetown University | |
| 1973 | Georgetown University | |
| 1974 | National Cancer Institute | |
| 1975 | National Cancer Institute | |
| 1976 | National Cancer Institute | |
| 1977 | National Institutes Of Health | |
| 1978 | National Institutes Of Health | |
| 1979 | National Institutes Of Health | |
| 1980 | National Institutes Of Health | |
| 1981 | National Institutes Of Health | |
| 1982 | National Institutes Of Health |
| Year | Start Date | End Date | Subject | Role |
| 1965 | - | - | Corporation Member | |
| 1966 | - | - | Corporation Member | |
| 1967 | - | - | Corporation Member | |
| 1968 | - | - | Corporation Member | |
| 1969 | - | - | Corporation Member | |
| 1970 | - | - | Corporation Member | |
| 1971 | - | - | Corporation Member | |
| 1972 | - | - | Corporation Member | |
| 1973 | - | - | Corporation Member | |
| 1974 | - | - | Corporation Member | |
| 1975 | - | - | Corporation Member | |
| 1976 | - | - | Corporation Member | |
| 1977 | - | - | Corporation Member | |
| 1978 | - | - | Corporation Member | |
| 1979 | - | - | Corporation Member | |
| 1980 | - | - | Corporation Member | |
| 1981 | - | - | Corporation Member | |
| 1982 | - | - | Corporation Member |