| Current (6) |
| Chairman | 2020 |
| Board of Directors | 2016 |
| Deputy Chairman | 2020 |
| Board of Directors | 1998 |
| Board of Directors | 2022 |
| Board of Directors | 2024 |
| Former (21) |
| Chairman | 2012 – 2020 |
| Board of Directors | 1998 – 2002 |
| Board of Directors | 2024 – 2024 |
| Chairman | 1998 – 2004 |
| Board of Directors | 2009 – 2022 |
| Board of Directors | 1998 – 2001 |
| Deputy Chairman | 1998 – 2004 |
| Board of Directors | 2001 – 2016 |
| Board of Directors | 2003 – 2004 |
| Chairman | 2010 – 2012 |
| Board of Directors | 2004 – 2004 |
| Board of Directors | 2004 – 2019 |
| Board of Directors | 2002 – 2009 |
| Chairman | 2012 – 2012 |
| Board of Directors | 2023 – 2024 |
| Board of Directors | 2002 – 2003 |
| Board of Directors | 2004 – 2006 |
| Board of Directors | 2009 – 2020 |
| Chairman | 2004 – 2010 |
| Board of Directors | 1998 – 2002 |
| Board of Directors | 2006 – 2023 |