| Board of Directors | 1892 – 1998 |
| Board of Directors | 2018 – 2018 |
| Board of Directors | 1892 – 2004 |
| Board of Directors | 2010 – 2019 |
| Board of Directors | 1892 – 2000 |
| Board of Directors | 1892 – 1996 |
| Board of Directors | 2004 – 2019 |
| Board of Directors | 1998 – 2001 |
| Board of Directors | 2019 – 2019 |
| Chairman | 2006 – 2019 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 2002 – 2004 |
| Board of Directors | 1892 – 2002 |
| Board of Directors | 1892 – 2005 |
| Board of Directors | 2004 – 2010 |
| Board of Directors | 2000 – 2001 |
| Board of Directors | 1892 – 2002 |
| Board of Directors | 2005 – 2008 |
| Board of Directors | 2018 – 2019 |
| Chairman | 2002 – 2012 |
| Board of Directors | 2008 – 2018 |
| Board of Directors | 2008 – 2019 |
| Board of Directors | 1892 – 2001 |
| Board of Directors | 2005 – 2019 |
| Board of Directors | 1892 – 2001 |
| Board of Directors | 2012 – 2018 |
| Board of Directors | 2001 – 2008 |
| Board of Directors | 1892 – 1996 |