| Current (5) |
| Chairman | 2020 |
| Deputy Chairman | 2020 |
| Board of Directors | 2020 |
| Board of Directors | 2024 |
| Board of Directors | 2018 |
| Former (12) |
| Deputy Chairman | 1997 – 1999 |
| Chairman | 1997 – 2010 |
| Board of Directors | 2001 – 2004 |
| Deputy Chairman | 1999 – 2014 |
| Board of Directors | 2002 – 2016 |
| Board of Directors | 1997 – 1998 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 2009 – 2022 |
| Board of Directors | 1997 – 2002 |
| Board of Directors | 1997 – 2007 |
| Chairman | 2010 – 2020 |
| Board of Directors | 2004 – 2018 |