| Former (18) |
| Board of Directors | 1993 – 1993 |
| Chairman | 1997 – 2017 |
| Board of Directors | 1991 – 1992 |
| Board of Directors | 1992 – 1998 |
| Board of Directors | 1993 – 1994 |
| Board of Directors | 1991 – 1997 |
| Board of Directors | 1993 – 1998 |
| Board of Directors | 1991 – 1993 |
| Board of Directors | 1992 – 2002 |
| Board of Directors | 2002 – 2017 |
| Board of Directors | 1994 – 1998 |
| Board of Directors | 1993 – 1995 |
| Board of Directors | 1995 – 1997 |
| Board of Directors | 1991 – 1993 |
| Board of Directors | 1993 – 1993 |
| Board of Directors | 1993 – 1993 |
| Chairman | 1991 – 1992 |
| Deputy Chairman | 1991 – 1993 |