| Adrian James Henry Ewer | Director | 1 Jun 1999 | 26 Mar 2014 | British | 72 years |
| Andrew Erskine Friend | Director | 31 Mar 2001 | 30 Sept 2006 | British | 73 years |
| Antonie Paul Woodbury | Director | 22 Dec 2006 | 30 Sept 2010 | British | 65 years |
| Benjamin Jon Grew | Director | 6 Apr 2023 | 11 May 2023 | British | 43 years |
| Brian Outram Chilver | Director | 31 May 1992 | 30 Jun 2002 | British | 92 years |
| Bryan Scott Gregory | Director | 31 May 1992 | 1 Mar 1993 | British | 85 years |
| Carolyn Tracy Cattermole | Secretary | 27 Sept 2012 | 4 Mar 2015 | British | - |
| Carolyn Tracy Cattermole | Director | 28 Jan 2015 | 29 Mar 2018 | British | 65 years |
| Christopher Brian Waples | Director | 13 Aug 2007 | 31 Jan 2019 | British | 66 years |
| Clare Underwood | Director | 31 Jan 2019 | 14 Jan 2022 | British | 53 years |
| David Arthur Russell Howell | Director | 13 Dec 1999 | 15 Apr 2002 | British | 89 years |
| David Edwards | Director | 31 May 1992 | 20 May 1999 | British | 96 years |
| David Hetherington Blair | Director | 1 Jul 1994 | 6 Nov 1998 | British | 82 years |
| David Martin Lowry | Director | 10 Aug 2020 | 21 Oct 2020 | British | 44 years |
| Denis Christopher Madden | Director | 1 Jul 1994 | 30 Apr 2001 | British | 85 years |
| Derek Potts | Director | 1 Sept 2004 | 31 Mar 2017 | British | 67 years |
| Derek William Featherstone | Secretary | 1 Jul 1994 | 1 Nov 1999 | British | - |
| Derrick Ardern | Director | 1 Oct 1998 | 31 May 2002 | British | 80 years |
| Emily Martin | Secretary | 31 May 2019 | 31 Jan 2022 | - | - |
| Gary Arthur Neville | Director | 1 Aug 2006 | 31 May 2007 | British | 69 years |
| Guy Roland Marc Pigache | Director | 22 Dec 2006 | 28 Jan 2015 | British | 65 years |
| James Armstrong | Director | 31 May 1992 | 30 Apr 2001 | British | 86 years |
| James Haydn Abbott | Director | 20 Mar 2023 | 17 Apr 2025 | British | 46 years |
| John David Bottom | Director | 31 May 1992 | 31 May 1995 | British | 89 years |
| John Martin Kirby Laing | Director | 31 May 1992 | 30 Apr 2004 | British | 83 years |
| Jon Rushton | Director | 31 May 1992 | 31 Dec 1994 | British | 92 years |
| Luciana Germinario | Director | 31 May 2019 | 31 Jul 2020 | English | 51 years |
| Lynette Gillian Krige | Director | 1 Jul 2007 | 30 Apr 2011 | British | 59 years |
| Maria Lewis | Secretary | 4 Mar 2015 | 4 Sept 2015 | - | - |
| Michael Geoffrey Medlicott | Director | 1 Sept 2004 | 22 Dec 2006 | British | 82 years |
| Nicholas Toby Hiscock | Director | 25 Jun 2009 | 28 Jan 2015 | British | 65 years |
| Olivier Brousse | Director | 3 Mar 2014 | 7 May 2020 | French | 60 years |
| Patrick Francis John O'donnell Bourke | Director | 1 May 2011 | 9 May 2019 | British | 68 years |
| Paul Michael Charles Meredith | Director | 1 Jun 2002 | 22 Dec 2006 | British | 80 years |
| Peter Joseph Harper | Director | 1 Sept 1996 | 30 Jun 2002 | British | 90 years |
| Philip Michael Gerard Nolan | Director | 21 Jan 2010 | 28 Jan 2015 | British | 72 years |
| Philip Naylor | Secretary | 4 Sept 2015 | 18 Jan 2019 | - | - |
| Priscilla Ann Davies | Director | 1 Dec 2011 | 28 Jan 2015 | British | 54 years |
| Richard Weston | Director | 1 Sept 2004 | 30 Apr 2008 | British | 77 years |
| Robert Alec Wood | Director | 31 May 1992 | 31 Jan 2002 | British | 83 years |
| Robert Alec Wood | Secretary | 31 May 1992 | 1 Jul 1994 | British | - |
| Robert Memmott | Director | 14 Jan 2021 | 31 Mar 2022 | British | 52 years |
| Robert Stephen Lidgate | Director | 1 Jun 1995 | 1 Nov 2002 | British | 80 years |
| Roger Keith Miller | Secretary | 1 Nov 1999 | 27 Sept 2012 | British | - |
| Roger Paul Greville | Director | 22 Dec 2006 | 24 Jun 2014 | New Zealander | 68 years |
| Sheila Valerie Noakes | Director | 1 Jun 2002 | 10 Feb 2004 | British | 76 years |
| Stuart Martin Colvin | Director | 31 Mar 2017 | 6 Apr 2023 | British | 53 years |
| Timothy Geoffrey Boatman | Director | 15 Apr 2002 | 22 Dec 2006 | British | 84 years |
| Timothy John Matthews | Director | 1 Sept 2004 | 22 Dec 2006 | British | 74 years |
| Victoria Burnett | Secretary | 1 Feb 2022 | 14 Dec 2022 | - | - |
| Warren Lee | Director | 14 Jan 2022 | 20 Mar 2023 | British,american | 45 years |
| William Wilson Forrester | Director | 1 Jan 2002 | 22 Dec 2006 | British | 85 years |