| Board of Directors | 1983 – 1996 |
| Board of Directors | 1983 – 1993 |
| Board of Directors | 1983 – 1987 |
| Board of Directors | 1983 – 2003 |
| Board of Directors | 1999 – 2003 |
| Board of Directors | 2000 – 2003 |
| Board of Directors | 1983 – 1987 |
| Board of Directors | 1997 – 1999 |
| Chairman | 1999 – 2003 |
| Chairman | 1983 – 1997 |
| Board of Directors | 1998 – 2000 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1983 – 1987 |
| Board of Directors | 2000 – 2003 |