| Current (2) |
| Board of Directors | 2023 |
| Chairman | 2024 |
| Former (17) |
| Chairman | 1996 – 1996 |
| Board of Directors | 2003 – 2004 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2006 – 2009 |
| Chairman | 2010 – 2015 |
| Chairman | 2003 – 2006 |
| Deputy Chairman | 2000 – 2001 |
| Board of Directors | 1999 – 2000 |
| Board of Directors | 1998 – 2000 |
| Chairman | 1999 – 2000 |
| Board of Directors | 2004 – 2006 |
| Deputy Chairman | 1997 – 2000 |
| Chairman | 2002 – 2003 |
| Board of Directors | 1996 – 1998 |
| Chairman | 1996 – 2000 |
| Deputy Chairman | 1997 – 2000 |
| Board of Directors | 1996 – 1996 |