| Former (27) |
| Board of Directors | 1891 – 2005 |
| Board of Directors | 1891 – 2003 |
| Board of Directors | 2019 – 2024 |
| Board of Directors | 1891 – 2002 |
| Chairman | 2010 – 2015 |
| Board of Directors | 2005 – 2016 |
| Board of Directors | 2005 – 2014 |
| Board of Directors | 1999 – 2001 |
| Board of Directors | 2007 – 2016 |
| Board of Directors | 2023 – 2024 |
| Board of Directors | 2003 – 2007 |
| Board of Directors | 2018 – 2023 |
| Board of Directors | 2005 – 2024 |
| Board of Directors | 2017 – 2020 |
| Board of Directors | 2023 – 2024 |
| Board of Directors | 2002 – 2005 |
| Board of Directors | 2011 – 2024 |
| Board of Directors | 1891 – 1999 |
| Board of Directors | 2015 – 2019 |
| Board of Directors | 2019 – 2024 |
| Chairman | 2015 – 2024 |
| Board of Directors | 2005 – 2005 |
| Board of Directors | 1891 – 1999 |
| Board of Directors | 2023 – 2024 |
| Board of Directors | 2020 – 2023 |
| Board of Directors | 1891 – 2011 |
| Board of Directors | 1999 – 2015 |
