| Board of Directors | 2004 – 2006 |
| Deputy Chairman | 2008 – 2014 |
| Board of Directors | 1998 – 1998 |
| Chairman | 1998 – 2006 |
| Board of Directors | 2017 – 2019 |
| Board of Directors | 2006 – 2008 |
| Deputy Chairman | 2017 – 2019 |
| Deputy Chairman | 2019 – 2019 |
| Deputy Chairman | 2017 – 2017 |
| Board of Directors | 1998 – 2006 |
| Board of Directors | 2010 – 2015 |
| Board of Directors | 2006 – 2007 |
| Chairman | 2006 – 2007 |
| Board of Directors | 1998 – 2006 |
| Chairman | 2019 – 2019 |
| Board of Directors | 1998 – 1998 |
| Board of Directors | 2015 – 2019 |
| Chairman | 1998 – 1998 |
| Chairman | 2008 – 2019 |
| Deputy Chairman | 2014 – 2017 |
| Board of Directors | 2008 – 2010 |
| Board of Directors | 2006 – 2008 |