| Board of Directors | 1971 – 1996 |
| Board of Directors | 1989 – 2004 |
| Board of Directors | 1977 – 2001 |
| Chairman | 1989 – 2004 |
| Board of Directors | 1995 – 2004 |
| Board of Directors | 1999 – 2004 |
| Board of Directors | 1989 – 1999 |
| Board of Directors | 1911 – 2004 |
| Deputy Chairman | 1989 – 2004 |
| Board of Directors | 1988 – 2004 |
| Board of Directors | 1989 – 1997 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 1984 – 1997 |