| Board of Directors | 1959 – 2000 |
| Board of Directors | 1959 – 1990 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 1959 – 2000 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 1959 – 2000 |
| Board of Directors | 1996 – 2000 |
| Chairman | 1959 – 2000 |
| Deputy Chairman | 1959 – 2000 |
| Board of Directors | 1999 – 2000 |
| Board of Directors | 1959 – 1991 |
| Board of Directors | 1959 – 1995 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 1959 – 2000 |
| Board of Directors | 1959 – 1992 |
| Board of Directors | 1959 – 1999 |
| Board of Directors | 1959 – 1996 |
| Chairman | 1959 – 1994 |