| Board of Directors | 1999 – 1999 |
| Board of Directors | 2013 – 2015 |
| Chairman | 2013 – 2020 |
| Chairman | 1999 – 2001 |
| Board of Directors | 2015 – 2019 |
| Deputy Chairman | 2012 – 2013 |
| Board of Directors | 2019 – 2020 |
| Board of Directors | 1999 – 2009 |
| Board of Directors | 2005 – 2012 |
| Board of Directors | 1999 – 2006 |
| Board of Directors | 1999 – 1999 |
| Board of Directors | 2019 – 2020 |
| Chairman | 1999 – 1999 |
| Board of Directors | 2014 – 2019 |
| Chairman | 2001 – 2003 |
| Board of Directors | 2009 – 2014 |