| Amit Rishi Jaysukh Thakrar | Secretary | 26 Apr 2018 | 18 Apr 2019 | - | - |
| Anastasija Blinova | Secretary | 1 Sept 2019 | 6 Apr 2020 | - | - |
| Andrew Stephen Robertson | Director | 16 Jul 2008 | 19 Apr 2012 | British | 60 years |
| Anne Catherine Ramsay | Secretary | 23 Apr 2008 | 26 Apr 2018 | Other | - |
| Benjamin Matthew Cashin | Director | 19 Apr 2012 | 23 Feb 2016 | British | 54 years |
| Charlotte Sophie Ellen Douglass | Director | 21 Sept 2017 | 7 Aug 2023 | British | 48 years |
| Edite Jespere | Secretary | 6 Apr 2020 | 16 Mar 2022 | - | - |
| George Bogdan Bucur | Secretary | 18 Apr 2019 | 1 Sept 2019 | - | - |
| Gerard Eugene Hanson | Director | 8 Jul 2009 | 19 Apr 2012 | British | 71 years |
| Graham Farley | Director | 23 Apr 2008 | 19 Sept 2011 | British | 77 years |
| Jack Leonard Fowler | Secretary | 16 Mar 2022 | 6 Aug 2024 | - | - |
| Jane Elizabeth Mackreth | Secretary | 23 Apr 2008 | 26 Apr 2018 | Other | - |
| Jennifer Louise Crouch | Director | 23 Feb 2016 | 17 Jul 2017 | British | 39 years |
| John Edward Haan | Director | 19 Apr 2012 | 23 Feb 2016 | British | 48 years |
| Joseph Charles Bayston Jones | Director | 1 Aug 2019 | 1 Oct 2024 | British | 32 years |
| Lee James Mills | Director | 23 Apr 2008 | 23 Apr 2008 | British | 68 years |
| Martyn Andrew Trodd | Director | 19 Sept 2011 | 19 Apr 2012 | British | 59 years |
| Michael Andrew Bryan | Director | 16 Jul 2008 | 12 May 2009 | British | 57 years |
| Peter Forsyth | Director | 23 Apr 2008 | 8 Jul 2009 | British | 67 years |
| Peter John Sheldrake | Director | 23 Feb 2016 | 25 Apr 2018 | British | 67 years |
| Robert Alistair Martin Gillespie | Director | 25 Apr 2018 | 29 Jan 2020 | British | 36 years |
| Sydney Geraint Blackmore | Director | 7 Aug 2023 | 1 Oct 2024 | Welsh | 29 years |
| Timothy Francis George | Director | 23 Apr 2008 | 23 Apr 2008 | British | 66 years |
| Timothy Francis George | Secretary | 23 Apr 2008 | 23 Apr 2008 | British | - |