| Current (3) |
| Chairman | 2024 |
| Board of Directors | 2007 |
| Deputy Chairman | 2022 |
| Former (20) |
| Board of Directors | 1980 – 1991 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 2001 – 2006 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 2001 – 2001 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 1996 – 1998 |
| Board of Directors | 1980 – 1996 |
| Board of Directors | 1980 – 2001 |
| Board of Directors | 2001 – 2006 |
| Board of Directors | 1996 – 1999 |
| Board of Directors | 1980 – 1993 |
| Chairman | 2022 – 2024 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 1980 – 1993 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 2006 – 2007 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 1998 – 2000 |
| Board of Directors | 2008 – 2009 |
