| Former (20) |
| Chairman | 2020 – 2021 |
| Chairman | 2021 – 2022 |
| Chairman | 2013 – 2018 |
| Chairman | 2018 – 2020 |
| Chairman | 2023 – 2024 |
| Board of Directors | 1985 – 1995 |
| Board of Directors | 1985 – 1994 |
| Board of Directors | 2012 – 2012 |
| Chairman | 2021 – 2021 |
| Chairman | 2006 – 2009 |
| Deputy Chairman | 2022 – 2023 |
| Board of Directors | 1995 – 1998 |
| Board of Directors | 2012 – 2013 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 2013 – 2013 |
| Chairman | 2009 – 2010 |
| Board of Directors | 2008 – 2011 |
| Board of Directors | 1995 – 1997 |
| Board of Directors | 1985 – 1995 |
| Board of Directors | 1998 – 2004 |