| Christopher George Matthews | Director | 2 Jul 2014 | 22 Nov 2018 | British | 68 years |
| David John Joll | Director | 23 May 2013 | 24 Feb 2014 | British | 78 years |
| David Michael Reger | Secretary | 11 Dec 2008 | 24 Feb 2014 | British | - |
| David Michael Reger | Director | 11 Dec 2008 | 24 Feb 2014 | British | 72 years |
| Ian Paul Lawrence | Director | 24 Feb 2014 | 17 Mar 2016 | British | 63 years |
| Matthew Derek George Ridley | Director | 24 Feb 2014 | 2 Jul 2014 | British | 48 years |
| Matthew Derek George Ridley | Director | 17 Mar 2016 | 10 May 2021 | British | 48 years |
| Matthew Richard Hubbard | Director | 10 May 2021 | 30 Jun 2025 | British | 39 years |
| Noel Frederick Bartram | Director | 11 Dec 2008 | 5 Jun 2013 | British | 74 years |
| Richard Southgate | Director | 18 Dec 2013 | 12 Dec 2014 | British | 59 years |