| Board of Directors | 1998 – 1999 |
| Board of Directors | 1987 – 1987 |
| Board of Directors | 1987 – 1993 |
| Chairman | 1987 – 1998 |
| Board of Directors | 1987 – 1994 |
| Chairman | 1987 – 1989 |
| Chairman | 1987 – 1992 |
| Chairman | 1987 – 1988 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1998 – 1999 |
| Board of Directors | 1987 – 1998 |
| Board of Directors | 1987 – 1992 |
| Chairman | 1987 – 1987 |
| Board of Directors | 1987 – 1998 |
| Board of Directors | 1987 – 1987 |