| Board of Directors | 1998 – 2001 |
| Chairman | 2004 – 2004 |
| Board of Directors | 1979 – 1989 |
| Board of Directors | 1979 – 2001 |
| Board of Directors | 1979 – 1989 |
| Chairman | 1979 – 2001 |
| Board of Directors | 1979 – 1989 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 2004 – 2004 |
| Board of Directors | 1979 – 2004 |
| Board of Directors | 2004 – 2004 |
| Board of Directors | 1979 – 1998 |
| Board of Directors | 1979 – 1994 |
| Chairman | 2001 – 2004 |
| Board of Directors | 1979 – 1989 |