| Former (22) |
| Chairman | 2010 – 2013 |
| Board of Directors | 1913 – 2000 |
| Board of Directors | 2002 – 2007 |
| Board of Directors | 1913 – 2000 |
| Board of Directors | 1913 – 1994 |
| Board of Directors | 1999 – 2000 |
| Board of Directors | 1913 – 1989 |
| Chairman | 2000 – 2001 |
| Board of Directors | 2007 – 2013 |
| Chairman | 2001 – 2004 |
| Board of Directors | 2002 – 2007 |
| Board of Directors | 2001 – 2004 |
| Board of Directors | 2004 – 2007 |
| Board of Directors | 1913 – 2000 |
| Board of Directors | 2010 – 2013 |
| Chairman | 2004 – 2007 |
| Board of Directors | 2000 – 2004 |
| Chairman | 1913 – 1999 |
| Chairman | 2007 – 2010 |
| Board of Directors | 1913 – 2000 |
| Chairman | 1999 – 2000 |
| Board of Directors | 2007 – 2013 |