| Andrew Norman Hues | Director | 29 Sept 2011 | 31 Dec 2015 | British | 60 years |
| Andrew Young | Director | 2 Oct 2015 | 26 Apr 2021 | British | 61 years |
| Anthony Keith Lamb | Director | 13 Dec 2011 | 31 Jan 2025 | British | 67 years |
| Antony John Hodge | Director | 31 May 2019 | 30 Sept 2022 | British | 51 years |
| Carl Grint | Director | 3 Oct 2015 | 23 Nov 2022 | British | 55 years |
| Charlotte Bonney | Director | 1 Jun 2020 | 30 Aug 2025 | British | 42 years |
| Charlotte Bonney | Secretary | 30 Jun 2024 | 30 Aug 2025 | - | - |
| Clive Graham Mosson | Director | 2 Oct 2015 | 13 Feb 2019 | British | 73 years |
| Daniel Francis Stephenson | Director | 6 Apr 2023 | 15 Dec 2023 | British | 55 years |
| David Andrew Goodchild | Director | 25 Aug 1998 | 1 Oct 2021 | British | 64 years |
| Francis Geoffrey Hildyard Tomlinson | Director | 1 Oct 2009 | 1 Oct 2021 | British | 73 years |
| Hugh Mark Hayward | Director | 15 Sept 1997 | 30 Nov 2001 | British | 73 years |
| Ian Archer | Director | 1 Jan 2009 | 1 Oct 2021 | British | 61 years |
| Ian Stephen Wimpenny | Director | 6 Apr 2023 | 30 Aug 2025 | British | 49 years |
| Jacqueline Mary Taylor | Director | 2 Oct 2015 | 13 Feb 2019 | British | 71 years |
| John Angove Hearle | Director | 15 Sept 1997 | 1 Oct 2015 | British | 73 years |
| John Christopher Leeksma Bailey | Secretary | 15 Sept 1997 | 26 Sept 1997 | British | - |
| Kevin Thomas Rolfe | Director | 25 Aug 1998 | 26 Apr 2021 | British | 62 years |
| Laurence George Barton | Director | 29 Sept 2011 | 1 Oct 2021 | British | 72 years |
| Lindsey Maria Lock | Director | 17 Dec 2012 | 14 Feb 2020 | British | 55 years |
| Mark John Bunting | Director | 25 May 1998 | 1 Oct 2021 | British | 64 years |
| Mark Stephen Short | Director | 29 Sept 2011 | 19 Dec 2012 | British | 57 years |
| Matthew James Bowen | Director | 1 Oct 2015 | 1 Oct 2021 | British | 49 years |
| Michael Charles Hodge | Director | 5 May 2005 | 1 Oct 2015 | British | 74 years |
| Miles Ambrose Awdry | Director | 25 Aug 1998 | 31 Mar 2015 | British | 73 years |
| Myles O'brien | Director | 27 Nov 2013 | 30 Nov 2020 | British | 54 years |
| Neil Robert Aitchison | Director | 15 Sept 1997 | 1 Oct 2006 | British | 79 years |
| Neil Robert Aitchison | Secretary | 26 Sept 1997 | 1 Oct 2006 | British | - |
| Nicholas Anthony Doyle | Director | 2 Oct 2015 | 28 Feb 2019 | British | 59 years |
| Nigel Charles Ozier | Director | 2 Oct 2015 | 1 Oct 2021 | British | 76 years |
| Paul Richard Dudley Smith | Director | 25 Aug 1998 | 1 Oct 2021 | British | 64 years |
| Paula Christina Mace | Director | 31 May 2019 | 30 Aug 2025 | British | 51 years |
| Peter John Wilkinson | Director | 25 Aug 1998 | 31 Mar 2005 | British | 80 years |
| Peter Spencer Cunningham Brown | Director | 25 Aug 1998 | 31 Oct 2000 | British | 64 years |
| Philip Nigel Waite | Secretary | 18 Nov 2019 | 30 Jun 2024 | - | - |
| Philip Nigel Waite | Director | 29 Sept 2011 | 30 Jun 2024 | British | 58 years |
| Richard Tadeusz Gibala | Director | 6 Apr 2023 | 1 Nov 2024 | British | 41 years |
| Stephen Alan Mottau | Director | 25 Aug 1998 | 18 Nov 2019 | British | 66 years |
| Stephen Alan Mottau | Secretary | 1 Oct 2006 | 18 Nov 2019 | British | - |
| Steven Vickers | Director | 17 Dec 2012 | 30 Nov 2015 | British | 67 years |