| Board of Directors | 1986 – 1989 |
| Board of Directors | 2007 – 2008 |
| Board of Directors | 1986 – 2007 |
| Board of Directors | 1986 – 1991 |
| Board of Directors | 1986 – 1994 |
| Board of Directors | 2002 – 2003 |
| Chairman | 1986 – 1991 |
| Board of Directors | 1986 – 1992 |
| Board of Directors | 1986 – 1989 |
| Chairman | 1986 – 1989 |
| Board of Directors | 1986 – 1994 |
| Board of Directors | 1986 – 2007 |
| Board of Directors | 2007 – 2008 |
| Board of Directors | 1986 – 1994 |
| Board of Directors | 1986 – 1988 |
| Board of Directors | 1986 – 1988 |
| Board of Directors | 1986 – 1989 |
| Chairman | 2007 – 2008 |
| Board of Directors | 1986 – 2007 |
| Board of Directors | 2002 – 2003 |