| Alan Michael Rylett | Director | 30 Jul 2013 | 31 Dec 2016 | British | 77 years |
| Alan Stuart James | Director | 31 Mar 1992 | 27 Jul 2005 | British | 75 years |
| Alan Stuart James | Secretary | 31 Mar 1992 | 30 Apr 2003 | British | - |
| Amanda Jane Emilia Massie | Director | 6 Oct 2011 | 8 Mar 2013 | British | 56 years |
| Amanda Massie | Secretary | 5 Mar 2008 | 8 Mar 2013 | British | - |
| Andrew Hebb | Director | 1 May 2003 | 27 May 2008 | British | 71 years |
| Andrew Hebb | Secretary | 1 May 2003 | 27 May 2008 | British | - |
| Bethan Melges | Secretary | 20 Jun 2016 | 9 Sept 2019 | - | - |
| Carl Sjogren | Secretary | 30 Jul 2010 | 7 Nov 2011 | - | - |
| Catherine Engmann | Secretary | 27 May 2008 | 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 |
| Craig Steven Apsey | Director | 30 Jul 2013 | 31 May 2016 | British | 65 years |
| David Ewan Milne | Director | 31 Mar 1992 | 11 Jun 2000 | British | 72 years |
| David Ewan Milne | Director | 1 Oct 2002 | 31 Dec 2002 | British | 72 years |
| David Frank Tilston | Director | 13 Sept 2010 | 17 Jun 2011 | British | 69 years |
| David George Henshaw | Director | 10 May 2006 | 5 Mar 2008 | British | 77 years |
| David Mawson | Director | 1 Oct 2019 | 20 Dec 2019 | British | 65 years |
| David Peter Millard | Director | 13 Oct 1993 | 30 Jun 2003 | British | 78 years |
| Fiona Elizabeth Lawrence Driscoll | Director | 1 Jul 2003 | 5 May 2006 | British | 68 years |
| Francis John Plowden | Director | 1 Apr 2007 | 5 Mar 2008 | British | 81 years |
| Grant Rumbles | Director | 2 Dec 2011 | 8 Jun 2015 | British | 68 years |
| Helen Julia Samuels | Director | 19 Feb 2021 | 18 Mar 2022 | British | 56 years |
| Ian Charles Meredith | Director | 1 Jul 2018 | 31 Jan 2021 | British | 63 years |
| Jayne Denise Hettle | Director | 19 Feb 2021 | 30 Jun 2024 | British | 61 years |
| Jeremy Mark Williams | Director | 9 Dec 2016 | 1 Jul 2018 | British | 57 years |
| John Bernard Kopij | Director | 31 Mar 1992 | 31 Dec 2002 | British | 76 years |
| Kelly Lee | Secretary | 26 May 2009 | 30 Jul 2010 | British | - |
| Kevin Andrew Young | Director | 5 Mar 2008 | 31 Aug 2010 | British | 67 years |
| Lee Howard | Director | 1 Jul 2018 | 1 Oct 2019 | British | 45 years |
| Leigh Parry Thomas | Director | 1 Jul 2018 | 1 Oct 2019 | British | 55 years |
| Lynton Kenneth Barker | Director | 1 Jan 2003 | 5 Mar 2008 | British | 78 years |
| Mark Kenneth Campbell | Director | 17 Nov 2003 | 31 May 2009 | British | 64 years |
| Mark Whittaker | Director | 24 Jan 2020 | 23 Feb 2021 | British | 51 years |
| Michael Anthony Gates | Director | 2 Dec 2011 | 29 Jan 2013 | British | 62 years |
| Nicky Cobden | Secretary | 2 May 2012 | 29 Aug 2013 | - | - |
| Nigel Anthony Kenneth Brooks | Director | 1 Apr 2000 | 27 Jul 2005 | British | 75 years |
| Paul Adrian Rayner | Director | 31 Jan 2013 | 8 Jun 2015 | British | 65 years |
| Paul David England | Director | 6 Oct 2011 | 8 Aug 2013 | British | 56 years |
| Peter Andrew Osborn | Director | 1 Sept 1997 | 5 Mar 2008 | British | 73 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Richard Harry Cuthbert | Director | 5 Mar 2008 | 5 Oct 2011 | British | 73 years |
| Richard Harry Cuthbert | Director | 5 Mar 2008 | 5 Oct 2011 | British | 73 years |
| Rodney Hewer Harris | Director | 17 Jun 2011 | 25 Jan 2013 | British | 65 years |
| Stephen Farrell | Director | 1 Apr 2004 | 27 Jul 2005 | British | 61 years |
| Stephen John Davies | Director | 9 Dec 2016 | 1 Jul 2018 | British | 66 years |
| Steven Foster | Director | 23 Jun 2010 | 28 Sept 2011 | British | 59 years |
| Steven Philip Van Raalte | Director | 16 Nov 2022 | 30 Jul 2024 | British | 44 years |