| Alexander Leicester | Director | 21 May 2014 | 1 Oct 2018 | British | 47 years |
| Andreas Loizos Henry Loizides | Director | 17 Feb 2009 | 31 May 2009 | British | 66 years |
| Anthony Philip Gration | Director | 2 Nov 2006 | 30 Apr 2014 | British | 71 years |
| Anthony Philip Gration | Secretary | 18 Oct 2006 | 13 Aug 2013 | British | - |
| Anthony Roger Julian Pyne | Director | 17 Jul 1991 | 14 Aug 1996 | British | 90 years |
| Astrid Cecile Helene Grey | Director | 1 Jul 2018 | 30 Jun 2022 | French,swedish | 62 years |
| Audrey Morrison | Secretary | 25 Oct 2018 | 20 Aug 2019 | - | - |
| Brian Major Evans | Director | 17 Jul 1991 | 26 Jul 2001 | British | 95 years |
| Christopher George Marsh | Director | 17 Jul 1991 | 18 Oct 2006 | British | 75 years |
| David Alexander Duncan Campbell | Director | 17 Jul 1991 | 17 Mar 1993 | British | 81 years |
| David Bull | Secretary | 21 May 2014 | 26 Mar 2015 | - | - |
| David Leslie Stewart | Director | 16 Jan 2002 | 18 Oct 2006 | British | 74 years |
| Denis Raine | Director | 17 Jul 1991 | 1 Jun 1996 | British | 92 years |
| Donald Cecil Mccrickard | Director | 2 Nov 2006 | 29 Feb 2008 | British | 90 years |
| Graham Edward Picken | Director | 21 May 2014 | 31 Dec 2016 | British | 77 years |
| James Robert Drummond Smith | Director | 21 May 2014 | 31 Jan 2021 | British | 66 years |
| James Simpson | Director | 17 Jul 1991 | 1 Jun 1996 | British | 82 years |
| John Elliott Pakeham-walsh | Secretary | 13 Aug 2013 | 21 May 2014 | - | - |
| John Elliott Pakenham-walsh | Director | 12 Jun 2001 | 21 May 2014 | British | 65 years |
| John Elliott Pakenham-walsh | Secretary | 28 Oct 1999 | 18 Oct 2006 | British | - |
| John Sinclair | Director | 1 Mar 2008 | 30 Apr 2010 | British | 78 years |
| John Stephen Milton | Director | 2 Nov 2006 | 28 Feb 2009 | British | 76 years |
| Ketan Jayantilal Malde | Director | 21 May 2014 | 21 Apr 2017 | British | 69 years |
| Mark Timothy John Sismey-durrant | Director | 14 Feb 2012 | 26 Apr 2018 | British | 67 years |
| Michael John Wilks | Director | 17 Jul 1991 | 31 Dec 2011 | British | 78 years |
| Paul Anthony Batchelor | Director | 2 Nov 2006 | 28 Feb 2009 | British | 79 years |
| Peter Garnet Cox | Director | 17 Jul 1991 | 14 Aug 1996 | British | 79 years |
| Peter Graham Cordrey | Director | 1 Jun 1996 | 18 Oct 2006 | British | 79 years |
| Polly Ann Williams | Director | 1 Mar 2010 | 21 May 2014 | British | 61 years |
| Robert David East | Director | 21 May 2014 | 30 Jun 2022 | British | 66 years |
| Shilpa Vivek Parihar | Secretary | 26 Mar 2015 | 24 Oct 2018 | - | - |
| Stephen Martin Burton Hunter | Director | 17 Jul 1991 | 31 Oct 2009 | British | 76 years |
| Stephen Martin Burton Hunter | Secretary | 17 Jul 1991 | 28 Oct 1999 | British | - |
| Stewart John Cunningham Dick | Director | 17 Mar 1993 | 16 Oct 2001 | British | 80 years |
| Terence William Trinder | Director | 16 Jan 2002 | 18 Oct 2006 | British | 78 years |
| Timothy Mark Blackwell | Director | 17 Jul 2017 | 23 May 2024 | British | 57 years |
| Timothy William Payne | Director | 17 Jul 1991 | 14 Aug 1996 | British | 77 years |