| WINTER, Elizabeth Jane ACTIVE | Secretary | 08 Feb 2024 | | | | 1, Loudoun Road, London, NW8 0LH, England |
| BURGESS, Hanah Munzer ACTIVE | Director | 09 Mar 2021 | | England | April 1976 | 1 Loudoun Road, London, NW8 0LH |
| DE FREITAS, Eleanor Judith ACTIVE | Director | 13 Mar 2018 | | England | May 1974 | 1 Loudoun Road, London, NW8 0LH |
| DOUGLASS, Claudia Mary Seton ACTIVE | Director | 10 Oct 2017 | | England | May 1968 | 1 Loudoun Road, London, NW8 0LH |
| GRENIER, Michael Anthony ACTIVE | Director | 21 Jun 2022 | | England | November 1969 | 1 Loudoun Road, London, NW8 0LH |
| NICHOLSON, Thomas Arthur ACTIVE | Director | 17 Oct 2023 | | England | November 1972 | 1 Loudoun Road, London, NW8 0LH |
| SAHNI, Monish Ajab ACTIVE | Director | 15 Jun 2021 | | England | December 1963 | 1 Loudoun Road, London, NW8 0LH |
| SAMUEL, Anne Margaret, Dr ACTIVE | Director | 16 Jun 2026 | | England | February 1954 | 1 Loudoun Road, London, NW8 0LH |
| SAVAGE, Gary John, Dr ACTIVE | Director | 09 Mar 2021 | | United Kingdom | December 1970 | 1 Loudoun Road, London, NW8 0LH |
| ZEHNER, Jon Hamilton ACTIVE | Director | 02 Oct 2018 | | England | June 1957 | 1 Loudoun Road, London, NW8 0LH |
| BECKMAN, Peter David Joseph RESIGNED | Secretary | 28 Feb 1995 | 20 Mar 1999 | | | 45 West Heath Drive, London, NW11 7QG |
| DAVIS, Matthew John RESIGNED | Secretary | 31 Aug 2023 | 07 Feb 2024 | | | 1 Loudoun Road, London, NW8 0LH |
| FLETCHER, Richard Gilbert RESIGNED | Secretary | 01 Sep 2008 | 28 Aug 2015 | | | Newenden House, Pluckley Road, Smarden, Ashford, Kent, TN27 8NJ, United Kingdom |
| HARVEY, Terence Stanley RESIGNED | Secretary | 21 Aug 1992 | 28 Feb 1995 | | | 87 College Road, Harrow Weald, Harrow, Middlesex, HA3 6EF |
| HOADLEY, John RESIGNED | Secretary | | 21 Aug 1992 | | | 19 The Rise, Bexley, Kent, DA5 3EJ |
| SIMM, Geoffrey William Grainger RESIGNED | Secretary | 16 Mar 1999 | 31 Aug 2008 | | | Tun Mead, Gussage All Saints, Wimborne, Dorset, BH21 5ET |
| VANNINEN, Paula Helena RESIGNED | Secretary | 28 Aug 2015 | 31 Aug 2023 | | | 1 Loudoun Road, London, NW8 0LH |
| BADENOCH, Michele Patricia RESIGNED | Director | 14 Mar 2007 | 10 Oct 2022 | England | April 1958 | Fernwood 54 North Hill, Highgate, London, N6 4RH |
| BEARD, Mark John RESIGNED | Director | 16 Sep 2014 | 01 Jul 2019 | England | January 1971 | University College School, Frognal, London, NW3 6XH, England |
| BECKMAN, Peter David Joseph RESIGNED | Director | 22 Jun 1993 | 31 Mar 2013 | England | April 1955 | 45 West Heath Drive, London, NW11 7QG |
| BERGQUIST, Anders Karim, Revd Dr RESIGNED | Director | 14 Mar 2007 | 24 Mar 2026 | England | June 1958 | St Johns House, St Johns Wood High Street, London, NW8 7NE |
| DANCEY, Roger Michael RESIGNED | Director | 26 Jun 1996 | 18 Mar 1998 | | November 1945 | 262 Cromwell Tower, Barbican, London, EC2Y 8DD |
| DERHAM, Patrick Sibley Jan RESIGNED | Director | 16 Sep 2014 | 09 Jul 2020 | England | August 1959 | Westminster School , 17, Deans Yard, London, SW1P 3PB, England |
| DURHAM, Kenneth RESIGNED | Director | 01 Sep 2008 | 31 Aug 2014 | United Kingdom | October 1953 | 5, Redington Road, London, NW3 7QX |
| ENGLISH, Mark Terence RESIGNED | Director | 08 Oct 2019 | 07 Jul 2022 | England | August 1973 | 1 Loudoun Road, London, NW8 0LH |
| FAFALIOS, Anastassis Nicolas John RESIGNED | Director | 01 Sep 2008 | 09 Jul 2020 | United Kingdom | March 1964 | 84, Viceroy Court, London, NW8 7PS |
| GRABINER, Anthony Stephen, Lord RESIGNED | Director | 02 Dec 1998 | 07 Feb 2014 | United Kingdom | March 1945 | 1 Essex Court, Temple, London, EC4Y 9AR |
| HALL, Janice Elizabeth RESIGNED | Director | 14 Mar 2007 | 20 Nov 2012 | United Kingdom | June 1957 | 37 St Johns Wood Road, London, NW8 8RA |
| HARRISON, Sarah Louise RESIGNED | Director | 04 Mar 2014 | 05 Jul 2018 | England | March 1970 | 32 Hillfield Road, Hillfield Road, London, NW6 1PZ, England |
| HEARNDEN, Josephine Honor RESIGNED | Director | 01 Sep 2008 | 31 Aug 2013 | England | October 1940 | Hethe House, Hethe, Bicester, Oxfordshire, OX27 8ES |
| HEARNDEN, Josephine Honor RESIGNED | Director | 19 Mar 1997 | 31 Aug 2007 | England | October 1940 | Hethe House, Hethe, Bicester, Oxfordshire, OX27 8ES |
| HONEY, Sumita RESIGNED | Director | 10 Oct 2022 | 14 Jan 2026 | England | June 1964 | 1 Loudoun Road, London, NW8 0LH |
| JONES-PARRY, Tristram RESIGNED | Director | 02 Dec 1998 | 31 Dec 2005 | | July 1947 | 18 Great College Street, London, SW1P 3RX |
| LAMONT NEWTON, Laura RESIGNED | Director | 15 Oct 2024 | 31 Dec 2025 | England | June 1982 | 1 Loudoun Road, London, NW8 0LH |
| LIPSCOMB, David Alan Cary RESIGNED | Director | | 28 Nov 2000 | | September 1935 | Lower Bean Hall, Bradley Green, Redditch, Worcestershire, B96 6SW |
| MACAULAY, David John RESIGNED | Director | | 24 Feb 1993 | | August 1942 | 3 Kidbrooke Grove, Blackheath, London, SE3 0PG |
| MAXWELL, John Douglas Etheridge RESIGNED | Director | | 31 Aug 2007 | England | May 1956 | 14 Frognal Way, London, NW3 6XE |
| O'BRIEN, Barry John RESIGNED | Director | 19 Sep 2005 | 05 Jul 2018 | United Kingdom | October 1952 | 1 Loudoun Road, London, NW8 0LH |
| PARRITT, Clive Anthony RESIGNED | Director | 13 May 2003 | 31 Aug 2010 | England | April 1943 | 34, Eton Avenue, London, NW3 3HL, England |
| PATON, John David Marshall, Reverend RESIGNED | Director | | 31 Aug 2006 | | July 1947 | St Vedast Rectory, 4 Foster Lane, London, EC2V 6HH |
| PROSSER, John Bowen RESIGNED | Director | 03 Dec 2013 | 16 Dec 2020 | England | October 1948 | 1 Loudoun Road, London, NW8 0LH |
| RAINGOLD, Howard Peter RESIGNED | Director | 02 Dec 1998 | 08 Mar 2011 | United Kingdom | August 1939 | 19 Bridstow Place, London, W2 5AE |
| RIFKIND, Charles Gabriel RESIGNED | Director | 12 Mar 2002 | 07 Feb 2014 | United Kingdom | January 1958 | 51 Hamilton Terrace, St Johns Wood, London, NW8 9RG |
| RONEY, John Howard Barham RESIGNED | Director | 22 Jun 1993 | 31 Aug 1997 | United Kingdom | January 1945 | Meadow Cottage School Lane, East Clandon, Surrey, GU4 7RS |
| RONEY, Richard Esmond Barham RESIGNED | Director | | 23 Jun 1995 | | April 1943 | 15 Queens Gate Gardens, London, SW7 5LY |
| SAINSBURY, Susan Carroll, Lady RESIGNED | Director | 22 Jun 1999 | 16 May 2008 | United Kingdom | November 1944 | 1 Chancery Lane, London, WC2A 1LF |
| SAVAGE, Victoria Jane RESIGNED | Director | 10 Mar 2020 | 07 Jul 2022 | England | June 1982 | Sarum Hall School, 15 Eton Avenue, London, NW3 3EL, England |
| SETHER, Stewart Craig RESIGNED | Director | 16 Nov 2010 | 07 Jul 2016 | England | August 1957 | 5, Cochrane Street, London, NW8 7PA, United Kingdom |
| SKIPPER, David John RESIGNED | Director | | 07 Jul 1995 | | April 1931 | 4 Saint Michaels Green, Welshampton, Ellesmere, Shropshire, SY12 0QT |
| SMART, George Milne RESIGNED | Director | | 02 Mar 1995 | | March 1905 | 104 Berkeley Court, London, NW1 5NE |
| SOUTHWARD, Nigel Ralph, Doctor RESIGNED | Director | | 18 Jun 2002 | | February 1941 | 10 Bristol Mews, London, W9 2JF |
| SPURR, Michael Stephen RESIGNED | Director | 15 Nov 2005 | 31 Aug 2014 | United Kingdom | October 1953 | 7 Lord North Street, London, SW1P 3LA |
| ST JOHNSTON, Colin David RESIGNED | Director | | 31 Aug 2005 | | September 1934 | 30 Fitzroy Road, London, NW1 8TY |
| STOWELL, Janet Mair RESIGNED | Director | 17 Oct 2023 | 25 Mar 2026 | England | November 1977 | 1 Loudoun Road, London, NW8 0LH |
| SUMMERSCALE, David Michael RESIGNED | Director | | 23 Jun 1998 | | April 1937 | 17 Deans Yard, Westminster, London, SW1P 3PB |
| SUTER, Timothy John RESIGNED | Director | 01 Sep 2008 | 31 Mar 2014 | United Kingdom | July 1956 | 4 Regents Park Terrace, London, NW1 7EE |
| THOMAS, Elizabeth Ann RESIGNED | Director | 25 Jun 1997 | 27 May 2008 | | June 1946 | 11 Kidderpore Gardens, London, NW3 7SS |
| WALLIS, Clarrie Elizabeth RESIGNED | Director | 04 Mar 2014 | 05 Jul 2018 | England | July 1957 | 57, Meadowbank, London, NW3 3AY, England |
| WARNER, Alan Tristram Nicholas RESIGNED | Director | 02 Dec 1998 | 31 Aug 2013 | England | October 1949 | 43 Thornhill Road, London, N1 1JS |
| WIDDICOMBE, Daniel RESIGNED | Director | 23 Jun 2014 | 07 Jul 2022 | England | August 1966 | 1, Loudoun Road, London, NW8 0LH, England |
| WILLIAMS, Martin Gwynne RESIGNED | Director | | 23 Jun 1998 | United Kingdom | March 1948 | 10 Cambisgate, Church Road, Wimbledon, London, SW19 5AL |
| WINSER, Colin Richard RESIGNED | Director | | 31 Aug 2006 | United Kingdom | May 1931 | Home Farmhouse, Shillinglee, Chiddingfold, Surrey, GU8 4SY |
| WOOLF, Andrew James David RESIGNED | Director | 02 Oct 2018 | 23 Mar 2023 | England | June 1965 | 1 Loudoun Road, London, NW8 0LH |