| Alan Fraser Porter | Secretary | 10 Sept 2012 | 19 Aug 2019 | - | - |
| Alexander Anthony Jarratt | Director | 13 Jun 1992 | 25 May 1994 | British | 102 years |
| Alexander Dewar Kerr Johnston | Director | 1 Jan 2012 | 19 May 2016 | British | 74 years |
| Alexander Donald Stewart | Director | 9 Oct 1997 | 6 May 2004 | British | 93 years |
| Alice Davey Schroeder | Director | 10 Jun 2013 | 26 May 2022 | American | 70 years |
| Andrew Hubert Teare | Director | 12 Aug 1992 | 7 May 1998 | British | 84 years |
| Andrew Turnbull | Director | 18 May 2006 | 14 May 2015 | British | 81 years |
| Ann Frances Godbehere | Director | 2 Aug 2007 | 18 May 2017 | Canadian British | 71 years |
| Anne Helen Richards | Director | 7 Jun 2016 | 10 Aug 2018 | British | 62 years |
| Anthony John Liddell Nightingale | Director | 1 Jun 2013 | 26 May 2022 | British | 79 years |
| Barry Lee Stowe | Director | 1 Nov 2006 | 31 Dec 2018 | American | 69 years |
| Brian Medhurst | Director | 13 Jun 1992 | 25 May 1994 | British | 91 years |
| Bridget Ann Macaskill | Director | 7 May 1999 | 16 Mar 2001 | British | 78 years |
| Bridget Ann Macaskill | Director | 1 Sept 2003 | 30 Sept 2011 | British | 78 years |
| Cheick Tidjane Thiam | Director | 25 Mar 2008 | 31 May 2015 | French | 64 years |
| Colin Grieve Southgate | Director | 13 Jun 1992 | 26 May 1993 | British | 88 years |
| David Cecil Clementi | Director | 1 Dec 2002 | 31 Dec 2008 | British | 77 years |
| David George Green | Secretary | 11 Sept 1997 | 8 Jul 1999 | British | - |
| David Howe Gillmore | Director | 20 Mar 1995 | 20 Mar 1999 | British | 92 years |
| David John Alexander Law | Director | 15 Sept 2015 | 23 May 2024 | British | 66 years |
| Derek Alan Higgs | Director | 19 Feb 1996 | 30 Nov 2000 | British | 82 years |
| Francis Roger Hurn | Director | 17 Feb 2000 | 30 Nov 2002 | British | 88 years |
| Frederick Brian Corby | Director | 13 Jun 1992 | 31 May 1995 | British | 74 years |
| George Trevor Holdsworth | Director | 13 Jun 1992 | 29 May 1996 | British | 99 years |
| Gregory Mark Wood | Director | 21 Jun 2001 | 17 Oct 2005 | British | 73 years |
| Harvey Andrew Mcgrath | Director | 1 Sept 2008 | 2 Jul 2012 | British | 74 years |
| Howard John Davies | Director | 15 Oct 2010 | 14 May 2020 | British | 75 years |
| Hugh Royston Jenkins | Director | 13 Jun 1992 | 31 Dec 1995 | British | 93 years |
| Jacqueline Hunt | Director | 5 Sept 2013 | 3 Nov 2015 | British | 58 years |
| James David Francis Barnes | Director | 4 Jan 1999 | 8 May 2003 | British | 90 years |
| James Harry Sutcliffe | Director | 9 Mar 1994 | 30 Sept 1997 | British | 70 years |
| James Hood Ross | Director | 6 May 2004 | 19 May 2011 | British | 88 years |
| Jane Fields Wicker-miurin | Director | 3 Sept 2018 | 31 Dec 2021 | British | 68 years |
| John Anthony Freeman | Director | 13 Jun 1992 | 30 Sept 1994 | British | 89 years |
| John Hunter Maxwell | Director | 9 Mar 1994 | 30 Nov 1996 | British | 82 years |
| John Lock | Director | 13 Jun 1992 | 30 Jun 1992 | British | 96 years |
| John William Foley | Director | 1 Jan 2011 | 1 Apr 2014 | British | 70 years |
| John William Foley | Director | 19 Jan 2016 | 16 May 2019 | British | 70 years |
| Jonathan Adair Turner | Director | 15 Sept 2015 | 16 May 2019 | British | 71 years |
| Jonathan William Bloomer | Director | 1 Jan 1995 | 5 May 2005 | British | 72 years |
| Jr. Manning | Director | 2 Jan 2002 | 1 Jan 2011 | American | 68 years |
| Julia Ann Burdus | Director | 21 Nov 1996 | 31 Dec 2003 | British | 93 years |
| Kaikhushru Shiavax Nargolwala | Director | 1 Jan 2012 | 13 May 2021 | Singaporean | 76 years |
| Kathleen Anne O'donovan | Director | 8 May 2003 | 31 Mar 2012 | British | 69 years |
| Keith Leonard Bedell Pearce | Director | 13 Jun 1992 | 31 Dec 2001 | British | 80 years |
| Keki Bomi Dadiseth | Director | 1 Apr 2005 | 1 May 2013 | Indian | 81 years |
| Lambertus Johannes Hermanus Becht | Director | 9 May 2002 | 31 Aug 2004 | Dutch | 70 years |
| Leslie Gray Cullen | Director | 6 Sept 1999 | 29 Feb 2000 | British | 74 years |
| Margaret Ann Coltman | Secretary | 20 Jul 2009 | 10 Sept 2012 | Other | - |
| Mark Edward Tucker | Director | 1 Sept 1999 | 30 Jun 2003 | British | 69 years |
| Mark Edward Tucker | Director | 6 May 2005 | 30 Sept 2009 | British | 69 years |
| Mark Norbom | Director | 1 Jan 2004 | 14 Dec 2006 | United States Citizen | 68 years |
| Mark Thomas Fitzpatrick | Director | 17 Jul 2017 | 24 Feb 2023 | Irish | 58 years |
| Martin Wakefield Jacomb | Director | 9 Mar 1994 | 5 May 2000 | British | 97 years |
| Mary Elizabeth Baker | Director | 13 Jun 1992 | 25 May 1994 | British | 89 years |
| Michael Andrew Wells | Director | 1 Jan 2011 | 31 Mar 2022 | American | 66 years |
| Michael David Abrahams | Director | 13 Jun 1992 | 5 May 2000 | British | 89 years |
| Michael George Alexander Mclintock | Director | 1 Sept 2000 | 6 Jun 2016 | British | 65 years |
| Michael George Newmarch | Director | 13 Jun 1992 | 23 Jan 1995 | British | 88 years |
| Michael Irving Falcon | Director | 7 Jan 2019 | 16 May 2019 | American | 64 years |
| Michael John Lawrence | Director | 13 Jun 1992 | 31 Dec 1993 | British | 83 years |
| Michael William Oliver Garrett | Director | 1 Sept 2004 | 31 Aug 2013 | British/australian | 84 years |
| Niall William Arthur Fitzgerald | Director | 1 Jan 1993 | 6 May 1999 | Irish | 81 years |
| Nicholas Edward Tucker Prettejohn | Director | 1 Jan 2006 | 30 Sept 2009 | British | 66 years |
| Nicolaos Andreas Nicandrou | Director | 28 Oct 2009 | 16 May 2019 | British | 61 years |
| Paul Victor Falzon Sant Manduca | Director | 15 Oct 2010 | 31 Dec 2020 | British,maltese | 75 years |
| Penelope Jane James | Director | 1 Sept 2015 | 30 Sept 2017 | British | 57 years |
| Peter John Davis | Director | 1 Jun 1994 | 29 Feb 2000 | British | 85 years |
| Peter Martin Maynard | Secretary | 8 Jul 1999 | 30 Jun 2009 | British | - |
| Peter Robert Rawson | Secretary | 13 Jun 1992 | 11 Sept 1997 | British | - |
| Philip Arthur John Broadley | Director | 11 May 2000 | 15 May 2008 | British | 65 years |
| Philip John Remnant | Director | 1 Jan 2013 | 25 May 2023 | British | 72 years |
| Pierre Olivier Marie Georges Bouee | Director | 1 Apr 2014 | 31 May 2015 | French | 55 years |
| Robert Alan Devey | Director | 16 Nov 2009 | 5 Sept 2013 | British | 58 years |
| Robert Oscar Rowley | Director | 8 Jul 1999 | 18 May 2006 | British | 77 years |
| Roberto Gonzales Mendoza | Director | 25 May 2000 | 17 May 2007 | American | 81 years |
| Ronald Edward Artus | Director | 13 Jun 1992 | 26 May 1993 | British | 95 years |
| Stuart James Turner | Director | 1 Mar 2018 | 31 Dec 2022 | British | 57 years |
| Thomas Ros Watjen | Director | 11 Jul 2017 | 25 May 2023 | American | 72 years |
| Tony Paul Wilkey | Director | 1 Jun 2015 | 17 Jul 2017 | British | 66 years |
| Victor Garland | Director | 13 Jun 1992 | 26 May 1993 | Australian | 92 years |
| Winfried Franz Wilhelm Bischoff | Director | 2 Aug 2007 | 15 Sept 2009 | British | 85 years |
| Yok Tak Amy Yip | Director | 2 Sept 2019 | 31 Oct 2025 | Chinese | 75 years |