| Board of Directors | 1988 – 2006 |
| Board of Directors | 1988 – 1990 |
| Board of Directors | 2007 – 2007 |
| Board of Directors | 1988 – 1989 |
| Board of Directors | 2007 – 2007 |
| Board of Directors | 2007 – 2007 |
| Board of Directors | 1988 – 2002 |
| Board of Directors | 1988 – 1997 |
| Board of Directors | 2007 – 2007 |
| Board of Directors | 1988 – 2007 |
| Chairman | 1988 – 1989 |
| Board of Directors | 2002 – 2007 |
| Board of Directors | 1988 – 1989 |