| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Anthony Roy Foster | Secretary | 3 Mar 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 23 Mar 2015 | 26 Jun 2020 | British | 78 years |
| Benjamin James Marks | Secretary | 9 Sept 2016 | 28 Mar 2019 | - | - |
| Benjamin James Marks | Director | 16 Dec 2011 | 12 May 2015 | British | 48 years |
| Benjamin James Marks | Director | 4 Jan 2016 | 28 Mar 2019 | British | 48 years |
| Claire Elizabeth Hammond | Director | 28 Nov 2018 | 22 Dec 2021 | British | 37 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 4 Mar 2005 | 30 Sept 2005 | British | - |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Gregory John Fry | Director | 12 May 2015 | 31 Dec 2016 | British | 68 years |
| Heston Michael Attwell | Director | 12 May 2015 | 21 May 2015 | British | 58 years |
| Ian Antony Pearcey | Director | 12 May 2015 | 10 Aug 2020 | British | 56 years |
| James Sutton Nettleton Bird | Director | 12 May 2015 | 27 Jan 2022 | British | 43 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| John Ross Faragher | Director | 12 May 2015 | 13 Aug 2015 | British | 62 years |
| Matthew James Bostock | Director | 12 May 2015 | 24 Jul 2019 | British | 42 years |
| Michael Spencer Bryn-jones | Director | 12 May 2015 | 12 Jul 2017 | British | 58 years |
| Nicola Kirsten Halvorsen | Director | 3 May 2016 | 26 Jun 2017 | British | 47 years |
| Nicolas Guy Simpkin | Director | 15 Jan 2010 | 16 Dec 2014 | British | 56 years |
| Paul Millson | Director | 12 May 2015 | 30 Apr 2017 | British | 61 years |
| Philip James Wong | Director | 12 May 2015 | 9 Sept 2016 | British | 58 years |
| Philip James Wong | Director | 10 Sept 2016 | 23 Nov 2018 | British | 58 years |
| Richard James Stearn | Director | 4 Mar 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 | 4 Mar 2005 | 31 Jul 2007 | British | 78 years |
| Stuart Richard Luck | Secretary | 12 May 2015 | 9 Sept 2016 | - | - |
| Stuart Richard Luck | Director | 12 May 2015 | 9 Sept 2016 | British | 67 years |
| Timothy Robert Gawthorn | Director | 29 Jan 2019 | 22 Dec 2021 | British | 48 years |
| Xander Duplessis | Director | 9 Sept 2016 | 22 Oct 2019 | British | 49 years |
