| Former (20) |
| Chairman | 2020 – 2022 |
| Board of Directors | 1990 – 1995 |
| Board of Directors | 1990 – 1995 |
| Chairman | 1990 – 2002 |
| Board of Directors | 2002 – 2002 |
| Chairman | 2002 – 2004 |
| Board of Directors | 1990 – 1991 |
| Board of Directors | 1990 – 1991 |
| Board of Directors | 1990 – 1995 |
| Board of Directors | 1995 – 1996 |
| Board of Directors | 2004 – 2004 |
| Board of Directors | 1990 – 1995 |
| Board of Directors | 2002 – 2004 |
| Board of Directors | 2020 – 2022 |
| Board of Directors | 2004 – 2004 |
| Board of Directors | 1990 – 1994 |
| Chairman | 1990 – 1991 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 1990 – 1991 |
| Board of Directors | 1990 – 1993 |