| SANU, Fola ACTIVE | Secretary | 11 Oct 2019 | | | | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| BRADLEY-JONES, Luke ACTIVE | Director | 01 Aug 2026 | | England | April 1976 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| SAUNDERS CALVERT, Leon James ACTIVE | Director | 23 Apr 2024 | | England | September 1978 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| WOOD, Neil Timothy ACTIVE | Director | 10 Aug 2026 | | England | February 1965 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| ABESSER, Susan Jane RESIGNED | Secretary | 04 Jul 2000 | 01 Jul 2002 | | | 38 Queensdale Road, London, W11 4SA |
| BRESNAN, Patrick Richard RESIGNED | Secretary | | 31 Dec 1994 | | | 5 Hartley Close, Bickley, Kent, BR1 2TP |
| GRUT, Oscar Kolya Meisen RESIGNED | Secretary | 01 Jul 2002 | 23 May 2006 | | | 9 Amner Road, London, SW11 6AA |
| SAMUELSSON, Anna Macdonald RESIGNED | Secretary | 23 May 2006 | 10 Oct 2019 | | | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| WALES, Anthony Edward RESIGNED | Secretary | 18 Feb 2000 | 04 Jul 2000 | | | South Lodge Knipp Hill, Cobham, Surrey, KT11 2PE |
| WALES, Anthony Edward RESIGNED | Secretary | 01 Jan 1995 | 29 Sep 1997 | | | Herons View Pointers Road, Cobham, Surrey, KT11 1PQ |
| WATSON, Ines Lucia RESIGNED | Secretary | 29 Sep 1997 | 18 Feb 2000 | | | Spa House, 1 Montague Road, Wimbledon, London, SW19 1TB |
| ABRUZZESE, Leo RESIGNED | Director | 11 May 2023 | 01 Apr 2025 | United States | December 1955 | 502, D Street Se, Washington Dc 20003, United States |
| ALEXANDER, Helen RESIGNED | Director | 26 Jul 1993 | 15 Jul 2008 | | February 1957 | 25 St James's Street, London, SW1A 1HG |
| BAROUDI, Merli Margaret RESIGNED | Director | 11 May 2023 | 01 Apr 2025 | United States | April 1956 | 931, 25th Street, Washington, Dc 20037, United States |
| BEW, Robin Lysander RESIGNED | Director | 17 Jul 2013 | 07 Apr 2022 | England | November 1970 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| BOWLER, John Arthur RESIGNED | Director | 11 May 2018 | 10 May 2023 | England | April 1957 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| GORDON, David Sorrell RESIGNED | Director | | 09 May 1993 | | September 1941 | Greenwood 56 Dukes Avenue, Chiswick, London, W4 2AF |
| HASHEM, Ramsey Emile RESIGNED | Director | 01 Jun 2023 | 20 Oct 2023 | United States | December 1962 | 1335, Marietta Country Club Drive, Kennesaw, Ga, 30152, United States |
| HOFMAN, Albert Jan RESIGNED | Director | 10 May 2013 | 10 May 2018 | Netherlands | November 1965 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| HUTCHINSON, Helen Janet RESIGNED | Director | 21 Oct 2023 | 10 Dec 2024 | England | October 1978 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| HUTCHINSON, Helen Janet RESIGNED | Director | 12 May 2022 | 31 May 2023 | England | October 1978 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| LUDLOW, Nigel Timothy RESIGNED | Director | 01 Jan 1997 | 01 Oct 2013 | England | January 1961 | 25 St James's Street, London, SW1A 1HG |
| MALIK, Kiran Bir Singh RESIGNED | Director | 21 Jul 1997 | 12 Jul 2005 | | December 1950 | 11 Ramillies Road, London, W4 1JW |
| NAUGHTON, Shane Paul RESIGNED | Director | 12 May 2017 | 31 Mar 2021 | England | January 1967 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| RASHBASS, Andrew RESIGNED | Director | 16 Jul 2008 | 18 Jul 2013 | United Kingdom | July 1965 | 25 St James's Street, London, SW1A 1HG |
| ROSS, Alasdair Martin RESIGNED | Director | 11 May 2018 | 10 May 2023 | England | November 1958 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| ROY, Marcus Kumar RESIGNED | Director | 01 Apr 2021 | 10 Aug 2026 | England | May 1977 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| SALAME BORO, Lara RESIGNED | Director | 02 Sep 2019 | 31 Jul 2026 | England | August 1967 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| SCARDINO, Marjorie Morris, Dame RESIGNED | Director | 09 May 1993 | 31 Dec 1996 | England | January 1947 | 19 Empire House, Thurloe Place, London, SW7 2RU |
| STIBBS, Christopher John RESIGNED | Director | 13 Jul 2005 | 30 Aug 2019 | England | November 1963 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| TAYLOR, Christopher RESIGNED | Director | 01 Dec 1995 | 31 Dec 1996 | England | May 1941 | Yorton House, Yorton, Shrewsbury, Shropshire, SY4 3EU |
| TOKSOZ, Isik Mina, Dr RESIGNED | Director | 10 May 2013 | 10 May 2018 | England | August 1952 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |
| WAGENER, Jeremy Rupert Sinclair RESIGNED | Director | | 30 Jun 1995 | | May 1938 | Fairfield, Silver Street, Stansted, Essex, CM24 8HE |
| WORTHINGTON, Michael John RESIGNED | Director | 11 Oct 2013 | 12 May 2017 | England | July 1960 | The Adelphi, 1 - 11 John Adam Street, London, WC2N 6HT, England |