| THOMAS, Robert Ian ACTIVE | Secretary | 01 Feb 2016 | | | | 95, Horseferry Road, London, SW1P 2DX, England |
| CHAPMAN GALLEY, Sarah Louise ACTIVE | Director | 08 Jul 2020 | | England | April 1980 | 95, Horseferry Road, London, SW1P 2DX, England |
| DOLPHIN, James Huw ACTIVE | Director | 22 Feb 2024 | | United Kingdom | September 1966 | 95, Horseferry Road, London, SW1P 2DX, England |
| EBERHARDIE, Ada Christine Margaret ACTIVE | Director | 02 Jul 2023 | | England | December 1946 | 95, Horseferry Road, London, SW1P 2DX, England |
| MUIR, Victoria Margery Joanna ACTIVE | Director | 02 Feb 2026 | | England | April 1972 | 95, Horseferry Road, London, SW1P 2DX, England |
| NORRIS, Geraldine Amy ACTIVE | Director | 15 Mar 2017 | | England | November 1963 | 95, Horseferry Road, London, SW1P 2DX, England |
| ORSMOND, Anna Paula ACTIVE | Director | 10 Nov 2025 | | England | September 1965 | 95, Horseferry Road, London, SW1P 2DX, England |
| BARCHARD, Betty May RESIGNED | Secretary | 01 Jan 1996 | 01 Feb 2016 | | | 1 Tamar House, Tavistock Place, London, WC1H 9RD |
| HARROD, Lionel Alexander Digby, Major General RESIGNED | Secretary | 17 Jul 1991 | 18 Jan 1995 | | | The Grange, Marnhull, Sturminster Newton, Dorset, DT10 1PS |
| WALLIS, Richard RESIGNED | Secretary | 01 Jan 1995 | 31 Dec 1995 | | | 93 Hollies Avenue, West Byfleet, Surrey, KT14 6AN |
| BALDRY, Anthony Brian, Sir RESIGNED | Director | 13 Dec 2005 | 15 Oct 2016 | United Kingdom | July 1950 | Dovecote House, Church Street, Bloxham, Nr Banbury, Oxfordshire, OX15 4ET |
| BARCHARD, Betty May RESIGNED | Director | | 31 Dec 1995 | | May 1929 | 1 Tamar House, Tavistock Place, London, WC1H 9RD |
| BOND, Caroline Una RESIGNED | Director | | 09 Apr 2012 | United Kingdom | June 1923 | Holme Bridge Forge, Holme Bridge, Wareham, Dorset, BH20 6AF |
| BUTT, Christopher Brian, Capt RESIGNED | Director | 08 Jul 2020 | 19 Oct 2020 | England | September 1969 | 142, Buckingham Palace Road, London, SW1W 9TR, England |
| CLARE, Philippa Anne Elizabeth RESIGNED | Director | 12 Jul 2016 | 04 Jun 2025 | United Kingdom | September 1986 | 95, Horseferry Road, London, SW1P 2DX, England |
| CREIGHTON, Robert Mandell RESIGNED | Director | 23 Apr 1996 | 05 Dec 2000 | England | February 1950 | 50 Thurleigh Road, London, SW12 8UD |
| DREW, Christopher Daking Macfarlane, Dr RESIGNED | Director | | 01 Jan 2004 | | July 1935 | 72 Mortlake Road, Kew, Richmond, Surrey, TW9 4AS |
| ELLIS, Judith, Doctor RESIGNED | Director | 01 May 2005 | 10 Jun 2010 | | January 1960 | 267 Ben Jonson House, Barbican, London, EC2Y 8DL |
| FANE, Andrew William Mildmay RESIGNED | Director | 01 Dec 2001 | 12 Jul 2016 | England | August 1949 | Flat 5, 64 Ladbrooke Road, London, W11 3NR |
| HILL, Brian John, Sir RESIGNED | Director | 07 Jul 1998 | 31 Dec 2001 | United Kingdom | December 1932 | Corner Oak, 5 Glen Close, Kingswood, Surrey, KT20 6NT |
| HOLMES, Zoe Danielle RESIGNED | Director | 12 Jul 2016 | 08 Jul 2020 | England | May 1983 | 142, Buckingham Palace Road, London, SW1W 9TR, England |
| HORSFORD, Derek Gordon Thormond, Major General RESIGNED | Director | | 13 Jul 2004 | | February 1917 | 2 Willow Way, Motcombe, Shaftesbury, Dorset, SP7 9QH |
| HOWELL JONES, John David RESIGNED | Director | | 23 Apr 1996 | | June 1936 | 38 Great James Street, London, WC1N 3HP |
| INNES-WILLIAMS, David, Sir RESIGNED | Director | 06 Oct 2003 | 13 Jul 2010 | | June 1919 | 66 Murray Road, Wimbledon Common, London, SW19 4PE |
| JONES, Sarah Hilary Dele RESIGNED | Director | 08 Jul 2020 | 28 Nov 2023 | England | November 1964 | 142, Buckingham Palace Road, London, SW1W 9TR, England |
| MENDOZA, Gwendoline RESIGNED | Director | | 31 Jul 1999 | | February 1915 | 1 Kinsale Court, Hove, East Sussex, BN3 3GF |
| NETHERCOTT, Sally RESIGNED | Director | 19 Apr 1994 | 23 Apr 2002 | | July 1951 | 2 Parkside Court, Palmerston Road, London, N22 4RW |
| PEMBERTON, Jeremy RESIGNED | Director | | 01 Mar 1991 | | February 1919 | I6 Albany, Piccadilly, London, W1V 9RP |
| PILLER, Gordon James, Dr RESIGNED | Director | | 23 Jun 2005 | | June 1925 | Abbotswold, Great Wolford, Shipston On Stour, Warwickshire, CV36 5NQ |
| REDMAN BROWN, Geoffrey Michael RESIGNED | Director | | 17 Oct 2016 | United Kingdom | March 1937 | 5 Three Kings Yard, Mayfair, London, W1K 4JR |
| RICHES OBE, Susan Elizabeth Ann, Lady RESIGNED | Director | 07 Jul 1998 | 05 Jun 2016 | United Kingdom | March 1929 | 23 Eresby House, Rutland Gate, London, SW7 1BG |
| SAMUELSON, Michael Edward Wylie RESIGNED | Director | 01 Aug 1996 | 01 Aug 1998 | | January 1931 | 13 Phillimore Place, London, W8 7BY |
| SAYER, Derek Roger RESIGNED | Director | 04 Dec 2007 | 27 Mar 2017 | England | December 1942 | 8 Chester Square, London, SW1W 9HH |
| SCOTT MONCRIEFF, Nigel Francis John RESIGNED | Director | 13 Dec 2005 | 07 Apr 2009 | | February 1957 | 9 Devonshire Place, London, W1G 6HR |
| SERMON, Thomas Richard RESIGNED | Director | 01 Oct 2008 | 05 Sep 2018 | England | February 1947 | Friars Well, Aynho, Banbury, Oxfordshire, OX17 3BG |
| SMEDLEY, Brian, Sir RESIGNED | Director | 01 Sep 1999 | 06 Apr 2007 | | November 1934 | Plots Barn, Sutton Baron Road, Borden, Sittingbourne, Kent, ME9 8LH |
| STOCK, Anthea Margaret RESIGNED | Director | 01 Oct 2011 | 14 Jul 2023 | England | July 1940 | 142, Buckingham Palace Road, London, SW1W 9TR, England |
| TAYLOR, Ian Colin RESIGNED | Director | 10 Dec 2014 | 20 May 2022 | England | April 1945 | 142, Buckingham Palace Road, London, SW1W 9TR, England |
| VAUGHAN, Gerard Folliott, Dr Sir RESIGNED | Director | 01 Sep 1999 | 29 Jul 2003 | | June 1923 | 28 Ponsonby Terrace, London, SW1P 4QA |
| WAINE, Peter Edward RESIGNED | Director | 01 May 2007 | 13 Jul 2010 | England | June 1949 | West House, Digswell Place, Welwyn Garden City, Herts, AL8 7SU |