| Board of Directors | 2002 – 2004 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2001 – 2006 |
| Board of Directors | 2013 – 2013 |
| Board of Directors | 2015 – 2019 |
| Board of Directors | 1998 – 2000 |
| Board of Directors | 2013 – 2015 |
| Board of Directors | 2016 – 2019 |
| Board of Directors | 2016 – 2019 |
| Board of Directors | 1998 – 2001 |
| Chairman | 2018 – 2019 |
| Chairman | 2012 – 2013 |
| Board of Directors | 2006 – 2008 |
| Board of Directors | 2007 – 2008 |
| Chairman | 2016 – 2017 |
| Chairman | 1998 – 2007 |
| Board of Directors | 2008 – 2008 |
| Board of Directors | 2008 – 2009 |
| Chairman | 2007 – 2008 |