| Year | Start Date | End Date | Subject | Role |
| 1947 | - | - | Corporation Member | |
| 1948 | - | - | Corporation Member | |
| 1949 | - | - | Corporation Member | |
| 1950 | - | - | Corporation Member | |
| 1951 | - | - | Corporation Member | |
| 1952 | - | - | Corporation Member | |
| 1953 | - | - | Corporation Member | |
| 1954 | - | - | Corporation Member | |
| 1955 | - | - | Corporation Member | |
| 1956 | - | - | Corporation Member | |
| 1957 | - | - | Corporation Member | |
| 1958 | - | - | Corporation Member | |
| 1959 | - | - | Corporation Member | |
| 1960 | - | - | Corporation Member | |
| 1961 | - | - | Corporation Member | |
| 1962 | - | - | Corporation Member | |
| 1963 | - | - | Corporation Member | |
| 1964 | - | - | Corporation Member | |
| 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 | |
| 1983 | - | - | Corporation Member | |
| 1984 | - | - | Corporation Member | |
| 1985 | - | - | Corporation Member |