| MACINTYRE, Donald Vincent ACTIVE | Secretary | 17 Mar 2025 | | | | 12 Bloomsbury Square, London, WC1A 2LP |
| MACINTYRE, Donald Vincent ACTIVE | Director | 17 Mar 2025 | | United Kingdom | May 1966 | 12 Bloomsbury Square, London, WC1A 2LP |
| WATERS, Helen ACTIVE | Director | 01 May 2024 | | England | November 1981 | 12, Bloomsbury Square, London, WC1A 2LP, England |
| CADMAN, Thomas Harland RESIGNED | Secretary | 16 Jan 2018 | 02 Dec 2021 | | | 12 Bloomsbury Square, London, WC1A 2LP |
| CLARKSON, Michael Andrew RESIGNED | Secretary | 14 Feb 2025 | 29 Apr 2025 | | | 12 Bloomsbury Square, Bloomsbury Square, London, WC1A 2LP, England |
| DIXON, Catherine Helen RESIGNED | Secretary | 03 Dec 2021 | 14 Feb 2025 | | | 12 Bloomsbury Square, London, WC1A 2LP |
| ELLIS, Alan David RESIGNED | Secretary | 01 Mar 1997 | 10 Dec 1997 | | | 2 Mercia Road, Baldock, Hertfordshire, SG7 6RZ |
| HARDING, Kerry Richard Kerwan RESIGNED | Secretary | | 28 Feb 1997 | | | 4 Nuns Acre, Goring On Thames, Reading, Berkshire, RG8 9BE |
| HUGHES, Clare Joanna Frances RESIGNED | Secretary | 08 May 2014 | 24 Sep 2015 | | | 12 Bloomsbury Square, London, WC1A 2LP |
| KEOGH, Michael RESIGNED | Secretary | 19 Dec 1997 | 26 Oct 1999 | | | Swans Nest Fotheringhay Road, Nassington, Peterborough, Cambridgeshire, PE8 6QX |
| MCDONALD, Graham George Clive RESIGNED | Secretary | 24 Sep 2015 | 28 Apr 2017 | | | 12 Bloomsbury Square, London, WC1A 2LP |
| MCMULLAN, David Malcom RESIGNED | Secretary | 10 Mar 2000 | 08 May 2014 | | | Brierley Ramsden Road, Godalming, Surrey, GU7 1QE |
| ABRAHAMS, Sidney Anthony George RESIGNED | Director | 10 Apr 2012 | 13 Mar 2020 | England | October 1951 | 12 Bloomsbury Square, London, WC1A 2LP |
| CADMAN, Thomas Harland RESIGNED | Director | 16 Jan 2018 | 02 Dec 2021 | England | December 1979 | 12 Bloomsbury Square, London, WC1A 2LP |
| CANHAM, Anthony John RESIGNED | Director | | 06 Sep 2007 | England | October 1940 | Treize, 13 Poplar Avenue, Norwich, Norfolk, NR4 7LB |
| CLARKSON, Michael Andrew RESIGNED | Director | 14 Feb 2025 | 29 Apr 2025 | England | May 1964 | 12 Bloomsbury Square, Bloomsbury Square, London, WC1A 2LP, England |
| DIXON, Catherine Helen RESIGNED | Director | 08 Mar 2021 | 14 Feb 2025 | England | April 1966 | 12 Bloomsbury Square, London, WC1A 2LP |
| FARRAR-HOCKLEY, Charles Dair RESIGNED | Director | 10 Mar 2000 | 04 Sep 2007 | | December 1946 | 12 Bloomsbury Square, London, WC1A 2LP |
| FLETCHER, Nina RESIGNED | Director | 30 Aug 2022 | 09 May 2025 | England | May 1969 | 12, Bloomsbury Square, London, WC1A 2LP, England |
| GRIFFITHS, David RESIGNED | Director | 01 Dec 1996 | 18 Oct 2002 | United Kingdom | September 1954 | Stentons Croft, Church Lane, Eakring, Newark, Nottinghamshire, NG22 0DH |
| HARDING, Kerry Richard Kerwan RESIGNED | Director | | 24 Oct 2000 | | January 1936 | 4 Nuns Acre, Goring On Thames, Reading, Berkshire, RG8 9BE |
| HUGHES, Clare Joanna Frances RESIGNED | Director | 17 Feb 2012 | 23 Nov 2015 | United Kingdom | September 1959 | 12 Bloomsbury Square, London, WC1A 2LP |
| JONES, Simon RESIGNED | Director | 24 Apr 2020 | 08 Mar 2021 | England | January 1976 | 12 Bloomsbury Square, London, WC1A 2LP |
| MCDONALD, Graham George Clive RESIGNED | Director | 23 Sep 2015 | 28 Apr 2017 | United Kingdom | November 1964 | 12 Bloomsbury Square, London, WC1A 2LP |
| MCMULLAN, David Malcom RESIGNED | Director | 03 Sep 2007 | 08 May 2014 | England | November 1944 | Brierley Ramsden Road, Godalming, Surrey, GU7 1QE |
| O'DONNELL, James Anthony RESIGNED | Director | 30 Aug 2023 | 24 Mar 2024 | Scotland | April 1961 | 12, Bloomsbury Square, London, WC1A 2LP, England |
| PERRY, Graham Maurice RESIGNED | Director | 13 Jan 1997 | 04 Sep 2007 | | May 1945 | Buckingham House, The Broadway, Stanmore, Middlesex, HA7 4EB |
| SMITH, Michael Forbes RESIGNED | Director | 03 Sep 2007 | 05 Apr 2012 | United Kingdom | June 1948 | 89 Clonmore Street, London, SW18 5HD |
| WILDING, John Blake RESIGNED | Director | 13 Jan 1997 | 04 Sep 2007 | United Kingdom | April 1947 | 36 Carrington Close, Birchwood, Warrington, WA3 7QA |