| Board of Directors | 2018 – 2019 |
| Chairman | 2005 – 2011 |
| Board of Directors | 2013 – 2014 |
| Board of Directors | 2008 – 2008 |
| Chairman | 2011 – 2012 |
| Board of Directors | 2000 – 2000 |
| Board of Directors | 2001 – 2008 |
| Board of Directors | 2000 – 2001 |
| Chairman | 2019 – 2020 |
| Chairman | 2000 – 2000 |
| Board of Directors | 2014 – 2015 |
| Board of Directors | 2019 – 2020 |
| Board of Directors | 2011 – 2012 |
| Board of Directors | 2019 – 2019 |
| Board of Directors | 2000 – 2001 |
| Chairman | 2003 – 2003 |
| Chairman | 2002 – 2003 |
| Board of Directors | 2015 – 2018 |
| Chairman | 2012 – 2013 |
| Board of Directors | 2000 – 2000 |
| Chairman | 2003 – 2005 |
| Board of Directors | 2012 – 2018 |
| Chairman | 2013 – 2018 |
| Board of Directors | 2008 – 2013 |
| Board of Directors | 2002 – 2011 |
| Chairman | 2018 – 2019 |
| Board of Directors | 2000 – 2001 |