| Board of Directors | 1984 – 1988 |
| Board of Directors | 2003 – 2006 |
| Board of Directors | 2001 – 2005 |
| Board of Directors | 1984 – 1988 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 1997 – 2003 |
| Board of Directors | 1984 – 1996 |
| Board of Directors | 1984 – 1988 |
| Board of Directors | 1984 – 1997 |
| Chairman | 1984 – 2006 |
| Board of Directors | 1997 – 1999 |
| Chairman | 1984 – 1988 |
| Board of Directors | 2005 – 2006 |
| Board of Directors | 1984 – 1988 |
| Board of Directors | 1997 – 2001 |