| Former (28) |
| Board of Directors | 1996 – 2004 |
| Board of Directors | 2010 – 2014 |
| Board of Directors | 1870 – 1999 |
| Board of Directors | 2009 – 2011 |
| Board of Directors | 1999 – 2003 |
| Chairman | 2021 – 2023 |
| Board of Directors | 2011 – 2017 |
| Board of Directors | 2008 – 2009 |
| Board of Directors | 2015 – 2019 |
| Board of Directors | 2017 – 2021 |
| Board of Directors | 2024 – 2025 |
| Board of Directors | 1870 – 2009 |
| Board of Directors | 2020 – 2022 |
| Board of Directors | 2024 – 2025 |
| Board of Directors | 2019 – 2020 |
| Chairman | 1870 – 2004 |
| Chairman | 2008 – 2011 |
| Board of Directors | 2022 – 2024 |
| Board of Directors | 2009 – 2015 |
| Board of Directors | 2004 – 2006 |
| Deputy Chairman | 2015 – 2017 |
| Board of Directors | 1870 – 1999 |
| Board of Directors | 2010 – 2010 |
| Board of Directors | 2017 – 2019 |
| Board of Directors | 2019 – 2024 |
| Board of Directors | 2005 – 2010 |
| Board of Directors | 1870 – 2003 |
| Board of Directors | 2021 – 2025 |
