| Board of Directors | 2009 – 2009 |
| Board of Directors | 1986 – 1989 |
| Board of Directors | 2004 – 2008 |
| Chairman | 2008 – 2009 |
| Board of Directors | 2000 – 2005 |
| Board of Directors | 2008 – 2009 |
| Board of Directors | 2001 – 2002 |
| Board of Directors | 1986 – 1990 |
| Board of Directors | 1986 – 2000 |
| Board of Directors | 2008 – 2014 |
| Board of Directors | 2006 – 2007 |
| Board of Directors | 1986 – 2000 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 2009 – 2010 |