| Board of Directors | 1988 – 2005 |
| Board of Directors | 1988 – 1989 |
| Board of Directors | 1988 – 1996 |
| Board of Directors | 1988 – 1993 |
| Board of Directors | 1996 – 2002 |
| Board of Directors | 2002 – 2005 |
| Board of Directors | 1988 – 1989 |
| Board of Directors | 1988 – 1998 |
| Board of Directors | 1988 – 1996 |
| Board of Directors | 1999 – 2002 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 1988 – 1994 |
| Chairman | 2002 – 2005 |
| Chairman | 1988 – 1989 |
