| Allison Margaret Bainbridge | Director | 18 Feb 2008 | 31 Mar 2010 | British | 66 years |
| Antony Ian Ward | Director | 30 Sept 1992 | 31 Mar 1996 | British | 90 years |
| Brian Joseph Wilson | Director | 2 Jan 1996 | 5 Jan 1998 | British | 82 years |
| Catherine Rosemary Reid Avery | Director | 1 Jun 2005 | 13 Feb 2008 | British | 66 years |
| Chantal Benedicte Forrest | Director | 31 Dec 2014 | 15 Dec 2017 | English,french | 65 years |
| Chantal Forrest | Secretary | 31 Dec 2014 | 15 Dec 2017 | - | - |
| Charles Brandon Gough | Director | 26 Mar 1996 | 31 Mar 2000 | British | 89 years |
| Christopher Charles Fisher | Director | 30 Jun 2003 | 13 Feb 2008 | British | 73 years |
| Christopher Henry Bruce Honeyborne | Director | 21 Dec 1993 | 29 Jul 1998 | British | 86 years |
| Christopher Ian Johns | Director | 16 Mar 2021 | 28 Feb 2023 | British | 56 years |
| Colin Ivor Cooke | Director | 3 Apr 1995 | 26 Nov 1997 | British | 87 years |
| David Cramb | Director | 30 Sept 1992 | 18 May 1996 | British | 100 years |
| David Gordon Perry | Director | 3 Sept 1996 | 14 Jun 2000 | British | 89 years |
| David John Salkeld | Director | 2 Oct 2000 | 13 Feb 2008 | British | 70 years |
| Derek Franklyn Roberts | Director | 3 Sept 1996 | 30 Sept 2005 | British | 84 years |
| Edmund John Seward Anderson | Director | 1 Jun 2005 | 13 Feb 2008 | British | 76 years |
| Elizabeth Marian Barber | Director | 2 Nov 2010 | 6 May 2022 | British | 61 years |
| Gordon Pearce Jones | Director | 30 Sept 1992 | 23 Apr 1996 | British | 99 years |
| James Henry Newman | Director | 5 Jan 1998 | 6 Aug 2002 | British | 76 years |
| James Robert Provan Pike | Director | 1 Jun 1999 | 25 Jul 2002 | British | 71 years |
| John Alan Napier | Director | 1 Jun 1999 | 26 Sept 2008 | British | 84 years |
| John Drummond Bell | Director | 30 Sept 1992 | 31 Oct 1994 | British | 77 years |
| John George Norman Duthie-jackson | Director | 19 Feb 2008 | 6 Jun 2008 | British | 59 years |
| John Giles Dunkerley Shaw | Director | 30 Sept 1992 | 31 Mar 1995 | British | 95 years |
| John Peter O`kane | Director | 1 Sept 2000 | 30 Sept 2002 | Irish | 68 years |
| Jonson Cox | Director | 24 May 1994 | 31 Mar 2000 | British | 70 years |
| Kenneth Jackson | Director | 2 Oct 2000 | 30 Sept 2005 | British | 87 years |
| Kevin Ian Whiteman | Director | 1 Sept 2000 | 31 Mar 2015 | British | 70 years |
| Kevin Patrick Bond | Director | 1 Apr 1996 | 10 Apr 2000 | British | 76 years |
| Malcolm Child Batty | Director | 30 Sept 1992 | 31 Dec 1995 | British | 87 years |
| Martin George Towers | Director | 1 Mar 2003 | 18 Feb 2008 | British | 74 years |
| Martin Wilfred Plimley | Secretary | 30 Sept 1992 | 20 Jan 1997 | British | - |
| Nevil George Muncaster | Director | 21 Nov 2019 | 31 Jul 2021 | British | 62 years |
| Patricia Jane Marsh | Director | 14 Dec 1994 | 27 May 1999 | British | 79 years |
| Paul Sybray Inman | Director | 1 Mar 2023 | 31 May 2025 | British | 60 years |
| Peter Flesher | Director | 30 Sept 1992 | 31 Jan 1996 | British | 91 years |
| Philip John Hudson | Secretary | 9 Nov 2000 | 27 Apr 2007 | British | - |
| Philip Robert Cox | Director | 1 Aug 1998 | 16 Aug 2000 | British | 76 years |
| Richard David Flint | Director | 1 Apr 2010 | 13 Sept 2019 | British | 58 years |
| Richard John Cole | Director | 19 Feb 2008 | 22 May 2008 | British | 72 years |
| Richard Kramer Schmidt | Director | 2 Sept 2002 | 1 Aug 2007 | American | 82 years |
| Stephen Bernard Lilley | Director | 19 Feb 2008 | 6 Jun 2008 | British | 58 years |
| Steven John Webb | Secretary | 20 Jan 1997 | 9 Nov 2000 | British | - |
| Stuart Douglas Mcfarlane | Director | 25 Sept 2008 | 31 Dec 2014 | British | 67 years |
| Stuart Douglas Mcfarlane | Secretary | 27 Apr 2007 | 31 Dec 2014 | British | - |
| Stuart Harvey Baldwin | Director | 19 Feb 2008 | 6 Jun 2008 | British | 57 years |
| Tom Jackson | Director | 30 Sept 1992 | 31 Mar 1995 | British | 101 years |
| Trevor Newton | Director | 30 Sept 1992 | 31 May 1996 | British | 83 years |