| Former (19) |
| Board of Directors | 1985 – 1992 |
| Chairman | 1985 – 1989 |
| Board of Directors | 1985 – 1996 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 1985 – 1989 |
| Chairman | 1998 – 1999 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 1985 – 1992 |
| Chairman | 2000 – 2003 |
| Board of Directors | 2001 – 2003 |
| Chairman | 1985 – 1992 |
| Board of Directors | 1985 – 1996 |
| Board of Directors | 1985 – 1989 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 1985 – 1992 |
| Board of Directors | 1998 – 1999 |
| Chairman | 1985 – 1991 |
| Chairman | 1999 – 2000 |