| Board of Directors | 1986 – 1989 |
| Board of Directors | 2000 – 2003 |
| Board of Directors | 1986 – 1993 |
| Board of Directors | 1986 – 1989 |
| Board of Directors | 1986 – 1995 |
| Chairman | 1986 – 1997 |
| Board of Directors | 1996 – 2000 |
| Board of Directors | 1986 – 1991 |
| Board of Directors | 1986 – 1995 |
| Board of Directors | 1986 – 1995 |
| Board of Directors | 1986 – 1996 |
| Board of Directors | 1986 – 2003 |
| Chairman | 1998 – 2003 |
| Board of Directors | 1986 – 1993 |
| Board of Directors | 1986 – 1989 |
| Board of Directors | 1986 – 1991 |
| Board of Directors | 1986 – 1992 |
| Board of Directors | 1986 – 1996 |
| Board of Directors | 1986 – 1995 |
| Chairman | 1997 – 1998 |