| Former (22) |
| Chairman | 2001 – 2004 |
| Chairman | 1966 – 2001 |
| Board of Directors | 2003 – 2004 |
| Board of Directors | 1966 – 1992 |
| Deputy Chairman | 1966 – 1989 |
| Deputy Chairman | 2001 – 2004 |
| Board of Directors | 1966 – 1996 |
| Board of Directors | 1966 – 1996 |
| Board of Directors | 1966 – 1996 |
| Board of Directors | 1966 – 1990 |
| Board of Directors | 1966 – 2001 |
| Board of Directors | 1966 – 1991 |
| Board of Directors | 1966 – 2002 |
| Deputy Chairman | 1966 – 1992 |
| Board of Directors | 1966 – 1990 |
| Board of Directors | 1966 – 1996 |
| Board of Directors | 1996 – 2003 |
| Board of Directors | 1966 – 1989 |
| Chairman | 1966 – 1989 |
| Board of Directors | 2003 – 2004 |
| Deputy Chairman | 1966 – 1988 |
| Deputy Chairman | 1966 – 1996 |