| Andrew Michael David Kirkman | Director | 1 Apr 2011 | 18 Sept 2015 | British | 54 years |
| Barrie Sidney Hurley | Director | 30 Nov 1998 | 31 Dec 2011 | British | 75 years |
| Christopher Paul Richards | Secretary | 5 Apr 2007 | 5 May 2008 | British | - |
| Christopher Searles | Director | 30 Nov 1998 | 12 May 2000 | British | 75 years |
| Colin Irwin John Hamilton Drummond | Director | 12 Dec 1997 | 22 Mar 2010 | British | 75 years |
| David Balfour Robertson | Director | 1 Oct 2002 | 31 Mar 2011 | British | 72 years |
| David John Thornton | Director | 12 Sept 1995 | 12 Dec 1997 | British | 83 years |
| Elizabeth Anne Adams | Director | 10 Jan 1991 | 12 Dec 1997 | British | 86 years |
| Elizabeth Anne Adams | Secretary | 10 Jan 1991 | 30 Mar 1993 | British | - |
| Elliot Arthur James Rees | Director | 31 Jul 2015 | 12 Oct 2020 | British | 52 years |
| Evelyn Dorothy Mccook | Director | 10 Jan 1991 | 16 Dec 1993 | British | 110 years |
| George William Rae | Director | 23 Jan 1995 | 31 Mar 1998 | British | 76 years |
| Gerald Walter Keay | Director | 10 Jan 1991 | 19 Nov 1998 | British | 69 years |
| Helen Patricia Barrett-hague | Secretary | 25 Mar 2016 | 22 Nov 2018 | - | - |
| Howard Glyn Carter | Director | 23 Jan 1995 | 3 Nov 1996 | British | 71 years |
| Howard Thurston Ellard | Director | 3 May 2012 | 6 Apr 2014 | British | 65 years |
| John Richard Cardwell | Director | 24 Oct 2000 | 31 Oct 2006 | British | 82 years |
| Karen Senior | Secretary | 1 Nov 2014 | 8 Jul 2020 | - | - |
| Kenneth David Woodier | Secretary | 13 Mar 2012 | 25 Mar 2016 | British | - |
| Kenneth Roy Ham | Secretary | 30 Mar 1993 | 12 Dec 1997 | British | - |
| Kevin Michael Bradshaw | Director | 12 Oct 2020 | 31 Mar 2022 | British | 57 years |
| Lyndi Margaret Hughes | Secretary | 9 Jul 2020 | 31 Mar 2022 | - | - |
| Margaret Lilian Heeley | Secretary | 2 Mar 2002 | 5 Apr 2007 | British | - |
| Margaret Lilian Heeley | Secretary | 5 May 2008 | 28 Jul 2014 | British | - |
| Mark Burrows Smith | Director | 3 May 2012 | 30 Jun 2015 | British | 59 years |
| Matthew More Macan | Director | 10 Jan 1991 | 30 Nov 1998 | British | 68 years |
| Michael Hellings | Director | 12 Dec 1997 | 30 Sept 2012 | British | 75 years |
| Neil Varey | Director | 6 Jul 1999 | 12 Jul 2000 | British | 76 years |
| Nicholas William Maddock | Director | 12 Oct 2020 | 31 Mar 2022 | British | 55 years |
| Phillip Charles Piddington | Director | 31 Jul 2015 | 12 Oct 2020 | British | 70 years |
| Richard Cyril Zmuda | Secretary | 13 Mar 2012 | 30 Nov 2016 | British | - |
| Robert Colin Milligan | Secretary | 12 Dec 1997 | 28 Feb 1998 | British | - |
| Robert James Woodland | Director | 12 Dec 1997 | 30 Sept 2002 | British | 81 years |
| Scott Edward Massie | Secretary | 22 Nov 2018 | 8 Jul 2020 | - | - |
| Simon Anthony Follett Pugsley | Secretary | 22 Nov 2018 | 8 Jul 2020 | - | - |
| Simon Leslie Catford | Director | 3 May 2012 | 31 Oct 2016 | British | 70 years |
| Simran Singh Dhillon | Director | 22 Oct 2024 | 5 Mar 2025 | British | 30 years |
| Stephen John Caddy | Secretary | 1 Mar 1998 | 1 Mar 2002 | British | - |
| Terence Charles Adams | Director | 10 Jan 1991 | 12 Dec 1997 | British | 87 years |