| Chairman | 2004 – 2004 |
| Board of Directors | 1999 – 2004 |
| Board of Directors | 1998 – 1998 |
| Chairman | 2002 – 2004 |
| Chairman | 2013 – 2014 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 2013 – 2014 |
| Board of Directors | 2012 – 2014 |
| Chairman | 2004 – 2013 |
| Board of Directors | 1998 – 1999 |
| Chairman | 2001 – 2002 |
| Board of Directors | 1998 – 1998 |
| Chairman | 1998 – 1998 |
| Board of Directors | 1998 – 2000 |
| Chairman | 1999 – 2001 |
| Board of Directors | 2007 – 2005 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 2004 – 2007 |
| Board of Directors | 2009 – 2012 |
| Board of Directors | 1999 – 1999 |
| Board of Directors | 1998 – 2001 |