| Amanda Jane Emilia Massie | Director | 6 Oct 2011 | 8 Mar 2013 | British | 56 years |
| Amanda Jane Emilia Massie | Secretary | 18 Oct 2004 | 8 Mar 2013 | British | - |
| Bethan Melges | Secretary | 20 Jun 2016 | 9 Sept 2019 | - | - |
| Carl Sjogren | Secretary | 30 Jul 2010 | 7 Nov 2011 | - | - |
| Catherine Engmann | Secretary | 21 Apr 2006 | 22 May 2009 | British | - |
| Christine Ann Shaw | Secretary | 17 Jun 2011 | 2 May 2012 | - | - |
| Clive Thomas | Director | 1 Oct 2019 | 17 Nov 2022 | British | 60 years |
| David Frank Tilston | Director | 3 Feb 2011 | 17 Jun 2011 | British | 69 years |
| David Mawson | Director | 1 Oct 2019 | 20 Dec 2019 | British | 65 years |
| Giles Stewart Pearson | Director | 8 Aug 2013 | 29 Feb 2016 | British | 58 years |
| Helen Julia Samuels | Director | 19 Feb 2021 | 18 Mar 2022 | British | 56 years |
| Ian Howard Howitt | Director | 21 Jan 2000 | 19 Sept 2003 | British | 81 years |
| James Kenneth Alexander Barbour Smith | Director | 22 May 2000 | 28 Jun 2001 | British | 60 years |
| Jeremy Mark Williams | Director | 29 Feb 2016 | 13 Aug 2018 | British | 57 years |
| John Handley | Director | 7 Apr 2000 | 14 Jun 2001 | British | 83 years |
| John Roger Jones | Director | 7 Apr 2000 | 14 Jun 2001 | British | 82 years |
| Jonathan Adam Charles Stuttard Greaves | Director | 21 Jan 2000 | 22 Jan 2000 | British | 68 years |
| Karim Nath | Secretary | 21 Jan 2000 | 21 Jan 2000 | British | - |
| Kelly Lee | Secretary | 26 May 2009 | 30 Jul 2010 | British | - |
| Kevin Andrew Young | Director | 19 Sept 2003 | 31 Aug 2010 | British | 67 years |
| Lee Howard | Director | 13 Aug 2018 | 1 Oct 2019 | British | 45 years |
| Mark Whittaker | Director | 24 Jan 2020 | 23 Feb 2021 | British | 51 years |
| Michael Thomas Lyons | Director | 1 Jun 2001 | 19 Sept 2003 | British | 77 years |
| Nicky Cobden | Secretary | 2 May 2012 | 29 Aug 2013 | - | - |
| Paul Adrian Rayner | Director | 31 Jan 2013 | 8 Jun 2015 | British | 65 years |
| Paul David England | Director | 20 Sept 2010 | 8 Aug 2013 | British | 56 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Richard Alec Preece | Director | 7 Apr 2000 | 14 Jun 2001 | British | 80 years |
| Richard Alec Preece | Secretary | 16 Jun 2000 | 11 Nov 2004 | British | - |
| Richard Harry Cuthbert | Director | 2 Apr 2002 | 5 Oct 2011 | British | 73 years |
| Richard Harry Cuthbert | Director | 2 Apr 2002 | 5 Oct 2011 | British | 73 years |
| Richard Jeremy Archer | Director | 21 Jan 2000 | 19 Sept 2003 | British | 77 years |
| Richard Jeremy Archer | Secretary | 21 Jan 2000 | 16 Jun 2000 | British | - |
| Robert Graham Kilner | Director | 7 Apr 2000 | 30 Jun 2003 | British | 83 years |
| Robert Jordan | Director | 26 Sept 2000 | 19 Sept 2003 | British | 90 years |
| Rodney Hewer Harris | Director | 17 Jun 2011 | 25 Jan 2013 | British | 65 years |
| Rodney James Westhead | Director | 1 Jun 2001 | 19 Sept 2003 | British | 83 years |
| Ryan James Henry Robson | Director | 22 May 2000 | 26 Sept 2000 | British | 56 years |
| Victoria Elizabeth Hames | Secretary | 23 May 2005 | 1 Mar 2006 | British | - |