| BURROW, Bethany Marie ACTIVE | Secretary | 01 May 2023 | | | | 123, Victoria Street, London, SW1E 6DE |
| ALLI, Andrew Folorunso ACTIVE | Director | 24 Sep 2018 | | Nigeria | September 1967 | 123, Victoria Street, London, SW1E 6DE |
| HANNA, Daniel Joseph William ACTIVE | Director | 01 May 2024 | | England | November 1977 | 123, Victoria Street, London, SW1E 6DE |
| LAYFIELD, Diana Louise Patricia ACTIVE | Director | 01 Dec 2021 | | England | July 1970 | 123, Victoria Street, London, SW1E 6DE |
| MAASDORP, Leslie Warren ACTIVE | Director | 15 Jan 2025 | | United Kingdom | June 1966 | 123, Victoria Street, London, SW1E 6DE, United Kingdom |
| MATTHEWS, Kathryn Ann ACTIVE | Director | 01 Jan 2021 | | England | December 1959 | 123, Victoria Street, London, SW1E 6DE |
| NATARAJAN, Krishnakumar ACTIVE | Director | 15 Jul 2020 | | India | May 1957 | 123, Victoria Street, London, SW1E 6DE |
| ROWLANDS, Simon Nicholas ACTIVE | Director | 22 Jul 2022 | | United Kingdom | June 1957 | 123, Victoria Street, London, SW1E 6DE |
| WOODRUFF, Christopher Marshall ACTIVE | Director | 01 Aug 2021 | | England | September 1959 | 123, Victoria Street, London, SW1E 6DE |
| DAVIES, Godfrey Vaughan RESIGNED | Secretary | 08 Jul 2004 | 29 Jan 2007 | | | 1 Woodridge Close, Haywards Heath, West Sussex, RH16 3EP |
| EARL, Jane RESIGNED | Secretary | 11 Oct 2016 | 01 May 2023 | | | 123, Victoria Street, London, SW1E 6DE |
| HOWELL, Peter Graham RESIGNED | Secretary | 08 Dec 1999 | 01 Aug 2000 | | | 76 Kings Road, London, SW19 8QW |
| KENDERDINE-DAVIES, Mark RESIGNED | Secretary | 28 Apr 2016 | 11 Oct 2016 | | | 123, Victoria Street, London, SW1E 6DE |
| KENDERDINE-DAVIES, Mark Dixon Garth RESIGNED | Secretary | 29 Jan 2007 | 10 Dec 2014 | | | 123, Victoria Street, London, SW1E 6DE, England |
| MORSE, Nicola Hazel RESIGNED | Secretary | 10 Dec 2014 | 27 Apr 2016 | | | 123, Victoria Street, London, SW1E 6DE |
| OWERS, Paul William RESIGNED | Secretary | 30 Aug 2002 | 08 Jul 2004 | | | The Bramblings, The Green, Horsted Keynes, West Sussex, RH17 7AW |
| WHITFIELD, Joseph Laurian RESIGNED | Secretary | 01 Aug 2000 | 30 Aug 2002 | | | 29 Prior Street, Greenwich, London, SE10 8SF |
| ALMOND, Jayne Doreen RESIGNED | Director | 08 Dec 1999 | 02 Jul 2003 | United Kingdom | November 1957 | 26 Walpole Street, London, SW3 4QS |
| BANDA, Dolika RESIGNED | Director | 24 Sep 2018 | 18 Aug 2025 | Zambia | August 1962 | 123, Victoria Street, London, SW1E 6DE |
| BANERJI, Arnab Kumar, Dr RESIGNED | Director | 27 Jul 2004 | 16 Nov 2010 | United Kingdom | March 1956 | The Spinney, Little Gaddesden, Berkhamsted, Hertfordshire, HP4 1PE |
| BORGDORFF, Wim RESIGNED | Director | 01 Sep 2014 | 31 Dec 2020 | Netherlands | March 1960 | 123, Victoria Street, London, SW1E 6DE |
| CAIRNS, Simon Dallas, The Right Honourable The Earl RESIGNED | Director | 08 Dec 1999 | 08 Jul 2004 | | May 1939 | 39 Arundel Gardens, London, W11 2LW |
| CHITALU, Valentine RESIGNED | Director | 31 Mar 2010 | 05 Feb 2019 | Zambia | June 1964 | 123, Victoria Street, London, SW1E 6DE, England |
| DE MEL, Lalith RESIGNED | Director | 13 Apr 2000 | 08 Jul 2004 | United Kingdom | May 1937 | 11 Kreisel Walk, Kew, Richmond, Surrey, TW9 3AL |
| FANKHAUSER, Samuel, Dr RESIGNED | Director | 13 Apr 2015 | 23 Jul 2021 | England | November 1964 | 123, Victoria Street, London, SW1E 6DE |
| FLETCHER, Daniel Paul RESIGNED | Director | 17 Jan 2001 | 08 Jul 2004 | | March 1956 | High Hollow, Icehouse Wood, Oxted, Surrey, RH8 9DW |
| GIDDENS, Michele Caroline RESIGNED | Director | 01 Dec 2014 | 22 Apr 2022 | England | September 1965 | 123, Victoria Street, London, SW1E 6DE |
| GILLESPIE, Alan Raymond RESIGNED | Director | 08 Dec 1999 | 01 Dec 2002 | | July 1950 | Patchan, Fair Oak Lane, Oxshott, Surrey, KT22 0TW |
| GILLINGWATER, Richard Dunnell RESIGNED | Director | 22 Jan 2009 | 31 Dec 2013 | England | July 1956 | Cardinal Place, 80 Victoria Street, London, SW1E 5JL |
| GOLDIN, Ian Andrew, Professor RESIGNED | Director | 29 Jan 2010 | 29 Jul 2016 | England | March 1955 | 54, Bardwell Road, Oxford, OX2 6ST, England |
| KENT, Pendarell Hugh RESIGNED | Director | 08 Dec 1999 | 01 Dec 2001 | England | August 1937 | 62 East Sheen Avenue, London, SW14 8AU |
| KYDD, Jonathan Graham, Professor RESIGNED | Director | 08 Dec 1999 | 26 May 2010 | England | April 1951 | Broadstone Cottage, Westwell, Ashford, Kent, TN25 4LQ |
| LAING, Richard George RESIGNED | Director | 26 Jan 2000 | 30 Jun 2011 | England | February 1954 | Great Lywood Farm House, Lindfield Road Ardingly, Haywards Heath, West Sussex, RH17 6SW |
| MACTAVISH, Clive Robert RESIGNED | Director | 13 Nov 2015 | 01 Oct 2019 | England | July 1970 | 123, Victoria Street, London, SW1E 6DE |
| MISTRY, Keki Minoo RESIGNED | Director | 01 Sep 2014 | 17 Jul 2020 | India | November 1954 | 123, Victoria Street, London, SW1E 6DE |
| NOBLE, Diana Georgina RESIGNED | Director | 14 Nov 2011 | 18 Jun 2017 | United Kingdom | July 1961 | 123, Victoria Street, London, SW1E 6DE, England |
| O'DONOHOE, Nicholas Peter RESIGNED | Director | 19 Jun 2017 | 29 Nov 2024 | England | April 1957 | 123, Victoria Street, London, SW1E 6DE |
| PARKER, Timothy Charles RESIGNED | Director | 01 Dec 2001 | 10 Dec 2003 | United Kingdom | June 1955 | 216, East Main Street, Broxburn, West Lothian, EH52 5AS |
| REICHER, Andrew William Michael RESIGNED | Director | 17 Jan 2001 | 08 Jul 2004 | United Kingdom | February 1954 | 60 Croftdown Road, London, NW5 1EN |
| SEAL, Karl Russell RESIGNED | Director | 08 Dec 1999 | 02 May 2001 | United Kingdom | April 1942 | The Moulte, Cliff Road, Salcombe, Devon, TQ8 8LE |
| SELBIE, George Nicholas RESIGNED | Director | 17 Jan 2001 | 08 Jul 2004 | | September 1945 | Lawn House, 12 Hampstead Square, London, NW3 1AB |
| SILLEM, Jeremy William RESIGNED | Director | 29 Mar 2011 | 10 Dec 2014 | England | July 1950 | 123, Victoria Street, London, SW1E 6DE, England |
| SIMS, Carolyn RESIGNED | Director | 23 Sep 2020 | 30 Apr 2026 | United Kingdom | May 1965 | 123, Victoria Street, London, SW1E 6DE |
| SMITHAM, Peter RESIGNED | Director | 15 Mar 2001 | 08 Jul 2004 | United Kingdom | May 1942 | 19 Tregunter Road, London, SW10 9LS |
| SPENGLER, Laurie Jean RESIGNED | Director | 28 Jul 2016 | 31 Dec 2025 | United States | August 1962 | 123, Victoria Street, London, SW1E 6DE |
| WICKER-MIURIN, Fields RESIGNED | Director | 05 Nov 2004 | 31 May 2014 | England | July 1958 | 123, Victoria Street, London, SW1E 6DE, England |
| WILLIAMS, Andrew Christopher RESIGNED | Director | 02 Jul 2003 | 16 Nov 2010 | United Kingdom | April 1952 | Highcroft House, Tanners Lane, Eynsham, Oxfordshire, OX29 4HJ |
| WILLIAMSON, George Malcolm, Sir RESIGNED | Director | 14 Jan 2004 | 02 Apr 2009 | United Kingdom | February 1939 | Jp Morgan Cazenove Holdings, 20 Moorgate, London, EC2R 6DA |
| WRIGLEY, Graham Lloyd RESIGNED | Director | 04 Dec 2013 | 04 Feb 2022 | United Kingdom | September 1962 | 123, Victoria Street, London, SW1E 6DE, England |