| Board of Directors | 1969 - 1971 | |
| Treasurer | 1975 - 1977 | |
| Board of Directors | 1979 - 1983 | |
| Research Ad-Hoc Committees | 1980 - 1981 | |
| Treasurer | 1980 - 1982 | |
| Other Ad-Hoc Committees | 1982 - 1983 |
| Board of Directors | 1969 - 1971 | |
| Treasurer | 1975 - 1977 | |
| Board of Directors | 1979 - 1983 | |
| Research Ad-Hoc Committees | 1980 - 1981 | |
| Treasurer | 1980 - 1982 | |
| Other Ad-Hoc Committees | 1982 - 1983 |