| Board of Directors | 1879 – 1990 |
| Board of Directors | 2017 – 2019 |
| Board of Directors | 1879 – 1991 |
| Board of Directors | 2017 – 2020 |
| Board of Directors | 1879 – 1992 |
| Board of Directors | 2007 – 2012 |
| Chairman | 2010 – 2012 |
| Board of Directors | 1879 – 2003 |
| Board of Directors | 1879 – 1990 |
| Board of Directors | 2017 – 2020 |
| Deputy Chairman | 2010 – 2012 |
| Board of Directors | 2017 – 2020 |
| Board of Directors | 1879 – 2012 |
| Board of Directors | 2001 – 2003 |
| Board of Directors | 2003 – 2007 |
| Board of Directors | 1879 – 2001 |