| Current (2) |
| Chairman | 2022 |
| Deputy Chairman | 2022 |
| Former (19) |
| Deputy Chairman | 2010 – 2012 |
| Deputy Chairman | 2008 – 2010 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 2000 – 2002 |
| Board of Directors | 1998 – 1999 |
| Chairman | 2019 – 2019 |
| Board of Directors | 2001 – 2004 |
| Deputy Chairman | 2004 – 2008 |
| Deputy Chairman | 2012 – 2014 |
| Chairman | 1998 – 2001 |
| Chairman | 2022 – 2022 |
| Board of Directors | 2010 – 2019 |
| Deputy Chairman | 2001 – 2003 |
| Chairman | 2010 – 2012 |
| Board of Directors | 1998 – 2001 |
| Chairman | 2014 – 2019 |
| Deputy Chairman | 2019 – 2022 |
| Chairman | 2008 – 2010 |
| Chairman | 2019 – 2022 |