| Abu Layes Mohammad Anwarul Islam | Secretary | 3 Oct 2002 | 27 Feb 2015 | British | - |
| Adam Charles Little | Director | 29 Jul 2009 | 25 Jan 2011 | British | 75 years |
| Alison Schofield | Director | 9 Mar 2011 | 28 Nov 2014 | British | 69 years |
| Andrew Paul Hodges | Director | 13 May 2019 | 23 Aug 2019 | British | 56 years |
| Ann Fingret | Director | 1 Dec 1998 | 17 Jan 2008 | British | 93 years |
| Anthony Joseph Kember | Director | 12 Oct 1991 | 4 Oct 2000 | British | 95 years |
| Anthony Leyland | Director | 5 Jun 2003 | 5 Feb 2007 | British | 81 years |
| Arthur Roy Thompson | Director | 25 Jun 1997 | 6 Oct 2003 | British | 97 years |
| Arthur Thomas Vincent | Director | 12 Oct 1991 | 18 Jan 1994 | British | 91 years |
| Bernadette Waters | Director | 18 Jan 1994 | 2 Jan 2001 | British | 71 years |
| Catherine Trevorrow | Secretary | 4 Mar 2019 | 13 Sept 2019 | - | - |
| Charanjit Kaur Yogeshbhai Patel | Director | 29 Nov 2014 | 28 Jul 2015 | British | 72 years |
| Charles Henry Moore | Secretary | 31 Mar 1992 | 30 Nov 1992 | British | - |
| Charlotte Mcdouall | Director | 5 Jun 2003 | 19 Jan 2006 | British | 71 years |
| Christopher Paul Brearley | Secretary | 12 Oct 1991 | 31 Mar 1992 | British | - |
| Colin Sydney Le Boutillier | Secretary | 30 Nov 1992 | 30 Jun 1995 | British | - |
| David Charles De Peyer | Director | 12 Oct 1991 | 2 Oct 2003 | British | 92 years |
| David George Phipps | Director | 28 Jul 2015 | 30 Apr 2019 | British | 56 years |
| David Stuart Winterbottom | Director | 19 Jul 1994 | 23 Jun 1998 | British | 90 years |
| Elizabeth Anne Fanshawe | Director | 12 Oct 1991 | 16 Sept 1997 | British | 88 years |
| Francis James Wilson | Director | 12 Oct 1991 | 16 Apr 1996 | British | 94 years |
| Frederick James Mccrindle | Director | 29 Nov 2014 | 15 Apr 2015 | British | 77 years |
| Frits Cornelius Janssen | Director | 12 Oct 1991 | 18 Jan 1994 | British | 82 years |
| Gary Denis Flather | Director | 25 Jun 1997 | 28 Aug 2003 | British | 89 years |
| Geoffrey Gordon Hulme | Director | 28 Sept 1999 | 17 Jan 2008 | British | 95 years |
| Geoffrey Tallent Spencer | Director | 12 Oct 1991 | 21 Sept 1993 | British | 97 years |
| Guido Barbato | Director | 25 Jun 2011 | 28 Nov 2014 | British | 59 years |
| Jane Susan Owen Hutchinson | Director | 25 Jun 1997 | 15 Apr 2000 | British | 75 years |
| Janet Kathleen Innes | Director | 1 Dec 1998 | 16 Feb 2000 | British | 83 years |
| Janet Marie Allen | Director | 29 Nov 2014 | 28 Jul 2015 | British | 69 years |
| Jaqueline Maria Oughton | Director | 29 Jul 2019 | 29 Sept 2022 | British | 62 years |
| Jeffrey Lawrence Bashton | Director | 2 Jun 2005 | 28 Nov 2014 | British | 78 years |
| Jude William Thomas Sheeran | Director | 28 Jul 2015 | 30 Jun 2016 | British | 52 years |
| Kenneth Stanton Piggott | Director | 5 Jun 2003 | 28 Nov 2014 | British | 78 years |
| Lawrence St John Thomas Jackson | Director | 12 Oct 1991 | 27 Mar 2003 | British | 97 years |
| Leslie Ronald Hurst | Director | 2 Oct 2003 | 28 Nov 2014 | British | 72 years |
| Margaret Elizabeth Mckinlay | Director | 11 Oct 2007 | 30 Nov 2011 | British | 75 years |
| Maria Mindak | Director | 14 Jun 2000 | 3 May 2003 | British | 64 years |
| Mark Earl | Director | 11 Sept 2019 | 4 Jun 2021 | British | 48 years |
| Martyn James Bridger | Director | 16 Feb 2000 | 15 Jun 2001 | British | 73 years |
| Michael Prescott | Director | 3 Oct 2002 | 19 Jan 2007 | British | 81 years |
| Monnica Charlotte Stewart | Director | 12 Oct 1991 | 21 Sept 1993 | British | 102 years |
| Nicholas Oliver Charles Carey | Director | 3 Sept 2018 | 5 Jul 2019 | British | 40 years |
| Nicholas Oliver Charles Carey | Secretary | 16 Jan 2015 | 4 Mar 2019 | - | - |
| Nicholas Philip Pelling | Secretary | 20 Jun 1995 | 15 Nov 2001 | British | - |
| Paul Michael Baldwin | Director | 5 Apr 2011 | 28 Nov 2014 | British | 61 years |
| Paul Michael Baldwin | Director | 15 Apr 2015 | 28 Jul 2015 | British | 61 years |
| Philip Albert Friend | Director | 18 Jan 1994 | 16 Sept 1997 | British | 81 years |
| Richard Morgan Oliver Stanley | Director | 12 Oct 1991 | 7 Sept 1992 | British | 95 years |
| Richard William Clifton | Director | 29 Jul 2019 | 4 Jun 2021 | British | 56 years |
| Rosalie Wilkins | Director | 12 Oct 1991 | 10 Mar 1992 | British | 80 years |
| Roy Langley O'shaughnessy | Director | 28 Jul 2015 | 31 Aug 2018 | British | 71 years |
| Shahid Bilal Shaikh | Director | 22 Jun 2006 | 28 Jun 2011 | British | 64 years |
| Simon Edgar Bown | Director | 2 May 2011 | 28 Nov 2014 | British | 81 years |
| Simon Rodway | Director | 12 Oct 1991 | 15 Nov 1994 | English | 94 years |
| Stephen Harald Frederick Hickey | Director | 29 Jul 2009 | 28 Nov 2014 | British | 77 years |
| Stephen Noel King | Director | 4 Jun 2021 | 28 Jul 2023 | British | 62 years |
| Susan Elizabeth Cunningham | Director | 5 Jun 2003 | 28 Nov 2014 | British | 80 years |
| Sven Leslie Cecil Tester | Director | 21 Nov 1995 | 7 Dec 2000 | British | 92 years |
| Sylvia Beryl Christie | Secretary | 18 Dec 2001 | 30 Aug 2002 | British | - |
| Winifred Mary Hamilton | Director | 12 Oct 1991 | 10 Sept 2000 | British | 113 years |