| Former (14) |
| Board of Directors | 1999 – 2003 |
| Board of Directors | 1997 – 2007 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 2003 – 2007 |
| Board of Directors | 1989 – 1997 |
| Board of Directors | 1998 – 2003 |
| Board of Directors | 2004 – 2007 |
| Board of Directors | 1997 – 1998 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 2003 – 2004 |
| Chairman | 1999 – 2007 |
| Board of Directors | 1999 – 2000 |
| Board of Directors | 2000 – 2007 |
| Chairman | 1989 – 1998 |