| Board of Directors | 1988 – 1989 |
| Board of Directors | 1988 – 1992 |
| Board of Directors | 2007 – 2008 |
| Board of Directors | 1988 – 1989 |
| Chairman | 1993 – 2005 |
| Board of Directors | 1988 – 1990 |
| Board of Directors | 1988 – 1990 |
| Chairman | 1992 – 1993 |
| Board of Directors | 1992 – 2007 |
| Board of Directors | 2007 – 2008 |
| Board of Directors | 1992 – 1993 |
| Board of Directors | 2007 – 2008 |
| Board of Directors | 1988 – 1992 |
| Chairman | 2005 – 2007 |
| Board of Directors | 1988 – 1990 |
| Board of Directors | 1993 – 2007 |
| Board of Directors | 1988 – 1988 |