| Former (29) |
| Deputy Chairman | 2024 – 2025 |
| Deputy Chairman | 1996 – 1999 |
| Board of Directors | 2008 – 2009 |
| Board of Directors | 2002 – 2004 |
| Chairman | 1992 – 1994 |
| Chairman | 2008 – 2009 |
| Chairman | 2024 – 2025 |
| Board of Directors | 2001 – 2004 |
| Chairman | 1992 – 1992 |
| Board of Directors | 1992 – 1999 |
| Board of Directors | 2008 – 2009 |
| Chairman | 1992 – 1996 |
| Board of Directors | 2003 – 2004 |
| Board of Directors | 1999 – 2003 |
| Chairman | 1996 – 1999 |
| Deputy Chairman | 1992 – 1996 |
| Board of Directors | 2015 – 2025 |
| Deputy Chairman | 2009 – 2024 |
| Chairman | 2002 – 2004 |
| Board of Directors | 2024 – 2025 |
| Board of Directors | 1999 – 2001 |
| Deputy Chairman | 2002 – 2004 |
| Chairman | 2004 – 2008 |
| Board of Directors | 1996 – 1999 |
| Board of Directors | 2024 – 2025 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 1992 – 1992 |
| Board of Directors | 2009 – 2024 |
| Board of Directors | 1992 – 1999 |