| Board of Directors | 1999 – 2007 |
| Board of Directors | 2017 – 2023 |
| Board of Directors | 2020 – 2023 |
| Board of Directors | 1916 – 1997 |
| Board of Directors | 1916 – 1990 |
| Board of Directors | 1916 – 2003 |
| Board of Directors | 2015 – 2018 |
| Board of Directors | 2007 – 2008 |
| Board of Directors | 2018 – 2020 |
| Board of Directors | 1916 – 1990 |
| Board of Directors | 2008 – 2009 |
| Board of Directors | 2009 – 2018 |
| Chairman | 1916 – 1992 |
| Deputy Chairman | 2010 – 2018 |
| Deputy Chairman | 2008 – 2010 |
| Chairman | 1916 – 1996 |
| Board of Directors | 1916 – 1991 |
| Chairman | 2017 – 2023 |
| Board of Directors | 1916 – 1999 |
| Chairman | 1996 – 2007 |
| Deputy Chairman | 1996 – 1998 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 1916 – 1989 |
| Board of Directors | 2003 – 2007 |
| Board of Directors | 2007 – 2009 |
| Deputy Chairman | 1916 – 1988 |
| Deputy Chairman | 1916 – 1990 |
| Board of Directors | 1996 – 2002 |
| Board of Directors | 1999 – 2001 |
| Chairman | 2008 – 2017 |
| Board of Directors | 1916 – 1991 |
| Board of Directors | 2005 – 2006 |
| Board of Directors | 2008 – 2012 |
| Board of Directors | 2005 – 2008 |
| Board of Directors | 2011 – 2015 |
| Board of Directors | 1916 – 1995 |
| Board of Directors | 2007 – 2011 |
| Board of Directors | 1997 – 1999 |
| Chairman | 2007 – 2008 |
| Deputy Chairman | 2007 – 2008 |