| Board of Directors | 1963 – 1992 |
| Board of Directors | 1997 – 2010 |
| Board of Directors | 1992 – 1998 |
| Board of Directors | 1963 – 1997 |
| Chairman | 1963 – 1997 |
| Board of Directors | 2002 – 2010 |
| Board of Directors | 1998 – 2008 |
| Board of Directors | 1997 – 2010 |
| Board of Directors | 1963 – 1992 |
| Board of Directors | 1963 – 1996 |
| Board of Directors | 1963 – 1997 |
| Board of Directors | 1992 – 2008 |
| Board of Directors | 1963 – 1997 |
| Chairman | 2002 – 2010 |