| Board of Directors | 1999 – 2000 |
| Board of Directors | 1989 – 1999 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 1999 – 2000 |
| Board of Directors | 1989 – 1993 |
| Board of Directors | 1989 – 2002 |
| Board of Directors | 2008 – 2009 |
| Board of Directors | 2001 – 2002 |
| Chairman | 1989 – 1993 |
| Board of Directors | 1989 – 1993 |
| Chairman | 2000 – 2010 |
| Board of Directors | 1999 – 2010 |
| Board of Directors | 2000 – 2008 |
| Board of Directors | 1989 – 1995 |
| Board of Directors | 2002 – 2008 |
| Chairman | 1989 – 1989 |
| Board of Directors | 1989 – 1989 |
| Board of Directors | 2009 – 2010 |