| Abimbola Moradeke Adesanya | Secretary | 11 Dec 2020 | 30 May 2025 | - | - |
| Andrew John Barratt | Director | 27 Sept 2018 | 29 Oct 2020 | British | 63 years |
| Barry Spendlove | Director | 8 Aug 2019 | 8 Aug 2019 | Irish | 48 years |
| Barry Spendlove | Director | 10 Sept 2019 | 1 Aug 2022 | Irish | 48 years |
| Bennett Charles Birgbauer | Director | 1 Oct 2003 | 28 Jul 2008 | United States | 64 years |
| Catherine O'callaghan | Director | 15 May 2006 | 1 Aug 2008 | British | 58 years |
| Charles Beaumont | Director | 30 Jul 2003 | 1 Oct 2003 | British | 74 years |
| Clive Charles Page | Director | 30 Jul 2003 | 1 Oct 2003 | British | 72 years |
| Clive Charles Page | Secretary | 30 Jul 2003 | 1 Jun 2015 | British | - |
| Clive Henry Bailey | Director | 1 Apr 2015 | 26 Sept 2018 | British | 59 years |
| David Lowe | Director | 1 Sept 2011 | 1 Feb 2013 | British | 58 years |
| David Miles Smith | Director | 1 Oct 2003 | 1 Mar 2008 | British | 65 years |
| David Nicholas Robinson | Secretary | 1 Jun 2015 | 3 Sept 2025 | - | - |
| David Stephen Russell | Director | 27 Sept 2018 | 31 Aug 2023 | British | 59 years |
| Gary Lee Boes | Director | 27 Sept 2018 | 21 Dec 2018 | American | 63 years |
| Graham Paul Hughes | Secretary | 30 Jul 2003 | 17 Jun 2009 | Other | - |
| Graham Russell Hoare | Director | 27 Sept 2018 | 30 Apr 2021 | British | 60 years |
| Helmut Oswald Reder | Director | 21 Mar 2019 | 31 Dec 2021 | German | 65 years |
| Malcolm Stewart Macdonald | Director | 1 Oct 2003 | 31 Mar 2005 | American | 86 years |
| Mark C Turner | Director | 1 Jul 2011 | 31 Mar 2015 | American | 57 years |
| Paul Roger Kiernan | Director | 11 Sept 2008 | 31 Aug 2011 | British | 61 years |
| Paul Vincent Smith | Director | 1 Oct 2003 | 28 Feb 2006 | British | 69 years |
| Peter Richard Davies | Director | 19 Dec 2017 | 10 Jul 2019 | British | 56 years |
| Ryan Jason Anderson | Director | 11 Sept 2008 | 30 Jun 2011 | Us Citizen | 53 years |
| Sabine Duerholt | Director | 9 May 2022 | 1 Jan 2023 | German | 54 years |
| Shaun Glanville | Director | 1 Feb 2013 | 8 Aug 2019 | British | 61 years |
| Shaun Glanville | Director | 8 Aug 2019 | 30 Sept 2019 | British | 61 years |
| Simon Lancelot Palmer | Director | 21 Mar 2019 | 30 Apr 2024 | British | 60 years |
| Stephen James Gill | Director | 27 Sept 2018 | 13 Dec 2018 | British | 60 years |
| Susan Lesley Pearson | Secretary | 30 Jul 2003 | 2 Jun 2008 | Other | - |
| Timothy Mark Slatter | Director | 1 Jan 2022 | 31 Mar 2025 | British | 52 years |
| Timothy Scott Green | Director | 1 Oct 2003 | 31 Oct 2017 | British | 65 years |
