| Board of Directors | 1992 – 1997 |
| Chairman | 1999 – 2014 |
| Board of Directors | 2002 – 2003 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 1992 – 1996 |
| Board of Directors | 1999 – 1999 |
| Board of Directors | 2009 – 2014 |
| Chairman | 1998 – 1999 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 1996 – 1997 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 1999 – 2002 |
| Board of Directors | 2005 – 2012 |
| Board of Directors | 2003 – 2005 |
| Board of Directors | 1992 – 1996 |
| Board of Directors | 1992 – 1996 |
| Chairman | 1997 – 1998 |
| Board of Directors | 2007 – 2012 |
| Board of Directors | 2005 – 2007 |
| Board of Directors | 2002 – 2002 |
| Board of Directors | 2001 – 2014 |