| Board of Directors | 1987 – 1992 |
| Chairman | 1987 – 1994 |
| Board of Directors | 1996 – 2006 |
| Board of Directors | 1987 – 1987 |
| Board of Directors | 2006 – 2006 |
| Board of Directors | 1987 – 1995 |
| Board of Directors | 1995 – 2006 |
| Board of Directors | 1987 – 1988 |
| Board of Directors | 1987 – 1989 |
| Board of Directors | 1987 – 1989 |
| Chairman | 1987 – 1992 |
| Board of Directors | 1987 – 1992 |
| Board of Directors | 1987 – 1988 |
| Chairman | 1987 – 1996 |
| Chairman | 1987 – 2006 |
| Board of Directors | 1987 – 1988 |
| Board of Directors | 2006 – 2006 |
| Board of Directors | 1987 – 1994 |
| Board of Directors | 1987 – 1987 |
| Board of Directors | 1987 – 1987 |