| Board of Directors | 2001 – 2001 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 1990 – 1999 |
| Chairman | 2004 – 2013 |
| Board of Directors | 1990 – 1999 |
| Board of Directors | 2002 – 2004 |
| Chairman | 2002 – 2004 |
| Board of Directors | 1990 – 2002 |
| Board of Directors | 2004 – 2008 |
| Board of Directors | 1990 – 2002 |
| Board of Directors | 1990 – 1991 |
| Board of Directors | 2002 – 2013 |
| Board of Directors | 1999 – 1999 |
| Board of Directors | 2001 – 2001 |
| Board of Directors | 2008 – 2013 |