| Board of Directors | 2006 – 2007 |
| Board of Directors | 1985 – 1989 |
| Chairman | 2006 – 2007 |
| Chairman | 1985 – 2002 |
| Board of Directors | 1997 – 2002 |
| Board of Directors | 1985 – 1997 |
| Board of Directors | 2006 – 2007 |
| Board of Directors | 1985 – 1997 |
| Board of Directors | 2003 – 2005 |
| Board of Directors | 1998 – 2000 |
| Board of Directors | 1998 – 2002 |
| Board of Directors | 2003 – 2006 |
| Board of Directors | 1985 – 1990 |
| Board of Directors | 2003 – 2006 |
| Chairman | 2003 – 2006 |