| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Anthony Roy Foster | Secretary | 19 Oct 2005 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 23 Mar 2015 | 26 Jun 2020 | British | 78 years |
| Ashley Kensington | Director | 13 May 2020 | 10 Oct 2021 | British | 51 years |
| Benjamin James Marks | Director | 16 Dec 2011 | 21 Dec 2015 | British | 48 years |
| Charlotte Elizabeth Berrington | Director | 11 Mar 2024 | 6 Dec 2024 | British | 35 years |
| Charlotte Sarah Tugwell (nee Joseph) | Director | 13 May 2020 | 29 Dec 2021 | British | 40 years |
| Damian Joseph Leydon | Director | 3 Jul 2017 | 27 Jul 2020 | British | 58 years |
| David Martin Lowry | Director | 21 Dec 2015 | 13 May 2020 | British | 44 years |
| Dexter Whiting | Director | 13 May 2020 | 25 Mar 2024 | British | 47 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Ian Antony Pearcey | Director | 29 Sept 2020 | 24 Nov 2022 | British | 56 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| Karl Whiteman | Director | 3 Jul 2017 | 13 May 2020 | British | 60 years |
| Nicolas Guy Simpkin | Director | 15 Jan 2010 | 18 Dec 2014 | British | 56 years |
| Nigel Graham Davis | Director | 3 Jul 2017 | 13 May 2020 | British | 57 years |
| Penelope Jane Valbonesi | Director | 3 Jun 2019 | 13 May 2020 | British,australian | 47 years |
| Richard James Stearn | Director | 19 Oct 2005 | 16 Dec 2011 | British | 57 years |
| Richard James Stearn | Secretary | 30 Jan 2009 | 16 Dec 2011 | British | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Roger St John Hulton Lewis | Director | 19 Oct 2005 | 31 Jul 2007 | British | 78 years |
| William Giles Rimell | Director | 23 Jun 2022 | 16 Sept 2025 | British | 42 years |
