| Current (5) |
| Board of Directors | 2014 |
| Deputy Chairman | 2021 |
| Chairman | 2012 |
| Board of Directors | 2026 |
| Board of Directors | 2022 |
| Former (28) |
| Board of Directors | 1997 – 1999 |
| Chairman | 2009 – 2012 |
| Board of Directors | 2002 – 2006 |
| Chairman | 2008 – 2009 |
| Board of Directors | 1992 – 1994 |
| Board of Directors | 1992 – 1998 |
| Chairman | 2003 – 2006 |
| Board of Directors | 1992 – 1996 |
| Board of Directors | 1999 – 2003 |
| Board of Directors | 2006 – 2007 |
| Board of Directors | 1992 – 1995 |
| Board of Directors | 1992 – 1993 |
| Deputy Chairman | 2009 – 2012 |
| Chairman | 2006 – 2007 |
| Board of Directors | 2021 – 2022 |
| Board of Directors | 1998 – 2000 |
| Board of Directors | 2012 – 2026 |
| Board of Directors | 2007 – 2013 |
| Board of Directors | 2002 – 2011 |
| Board of Directors | 1992 – 1994 |
| Board of Directors | 1992 – 2002 |
| Chairman | 1992 – 1999 |
| Board of Directors | 2000 – 2002 |
| Board of Directors | 1992 – 1994 |
| Board of Directors | 2012 – 2016 |
| Chairman | 2007 – 2008 |
| Deputy Chairman | 2016 – 2021 |
| Board of Directors | 2018 – 2021 |
