| Antony John King | Director | 25 Sept 2019 | 28 May 2021 | British | 57 years |
| David Lionel Alexander Goldstone | Director | 2 Jan 2013 | 30 Sept 2014 | British | 63 years |
| Ellen Howard | Secretary | 10 Nov 2008 | 15 Jul 2011 | Other | - |
| Howard Ernest Carter | Director | 10 Nov 2008 | 22 Sept 2023 | British | 58 years |
| Howard Ernest Carter | Secretary | 10 Nov 2008 | 29 Sept 2023 | British | - |
| Ian Alan Nunn | Director | 21 Sept 2015 | 24 Jul 2017 | British | 68 years |
| Martin Patrick William Jones | Secretary | 10 Nov 2008 | 7 Aug 2015 | British | - |
| Peter Andrew Regan | Director | 10 Nov 2008 | 4 Apr 2011 | Australian | 51 years |
| Sarah Elizabeth Bradley | Director | 1 Sept 2016 | 31 Jul 2019 | British | 58 years |
| Simon David Kilonback | Director | 27 Jul 2012 | 29 Apr 2022 | British | 51 years |
| Stephen David Allen | Director | 10 Nov 2008 | 30 Sept 2015 | British | 59 years |
| Stephen Richard Critchley | Director | 10 Nov 2008 | 31 Jul 2012 | British | 74 years |