| Board of Directors | 2005 – 2012 |
| Board of Directors | 1997 – 1999 |
| Board of Directors | 2000 – 2000 |
| Deputy Chairman | 2002 – 2003 |
| Board of Directors | 1912 – 1996 |
| Board of Directors | 1999 – 2006 |
| Board of Directors | 2000 – 2002 |
| Board of Directors | 2010 – 2010 |
| Board of Directors | 2008 – 2012 |
| Board of Directors | 1912 – 2005 |
| Board of Directors | 1912 – 1996 |
| Board of Directors | 2010 – 2012 |
| Chairman | 2010 – 2012 |
| Board of Directors | 1912 – 1997 |
| Board of Directors | 2006 – 2010 |
| Board of Directors | 1912 – 1997 |
| Board of Directors | 1912 – 2002 |
| Board of Directors | 2003 – 2004 |
| Chairman | 1912 – 2005 |
| Board of Directors | 2010 – 2012 |