| WEAVER, Michael John Desmond ACTIVE | Secretary | 19 Jul 2025 | | | | 4, Millbank, London, SW1P 3JA, United Kingdom |
| ALDERSON, Helen Patricia ACTIVE | Director | 01 Aug 2023 | | Switzerland | July 1960 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| AYERS, Jessica May, Dr ACTIVE | Director | 01 Feb 2025 | | United Kingdom | February 1983 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| BAKER, John Kenneth ACTIVE | Director | 15 Jul 2026 | | England | January 1959 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| CHAKRABARTI, Sumantra, Sir ACTIVE | Director | 03 Jul 2020 | | England | January 1959 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| FARUQI, Mustafa ACTIVE | Director | 02 Mar 2025 | | England | January 1980 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| IKPE, Ekaette, Dr ACTIVE | Director | 01 Aug 2023 | | England | April 1978 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| LATORTUE, Alexia ACTIVE | Director | 21 Jul 2025 | | United States | November 1971 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| MALLOCH-BROWN, George Mark, Lord ACTIVE | Director | 11 Jul 2025 | | England | September 1953 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| MCVEY, Dominic Edward Henry ACTIVE | Director | 11 May 2020 | | England | February 1985 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| MEADLEY-ROBERTS, Hannah Joy ACTIVE | Director | 05 Oct 2020 | | England | December 1975 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| ROWLATT, Amanda ACTIVE | Director | 01 Jan 2025 | | England | December 1962 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| SEVERINO, Jean-Michel ACTIVE | Director | 03 Jul 2026 | | France | September 1957 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| BENNETT, John Frederick Pemberton RESIGNED | Secretary | | 30 Nov 1995 | | | The Coach House Pope's Hall, Sandway, Maidstone, Kent, ME17 2BH |
| BROWN, Allen Edward RESIGNED | Secretary | 01 Feb 1995 | 27 Jun 2003 | | | 77 Winn Road, London, SE12 9EY |
| DE BOER, Bonita RESIGNED | Secretary | 22 May 2012 | 29 May 2013 | | | 203, Blackfriars Road, London, SE1 8NJ, England |
| GREEVES, Peter John RESIGNED | Secretary | 24 Sep 2003 | 25 Jun 2007 | | | 82 Queens Court, Queens Road, Richmond, Surrey, TW10 6LB |
| HOWELL, John, Dr RESIGNED | Secretary | 01 Dec 1995 | 01 Feb 1996 | | | 13 Hawthorn Gardens, Ealing, London, W5 4LJ |
| MALCOLM, Linda Moira RESIGNED | Secretary | 29 May 2013 | 27 Jul 2015 | | | 203, Blackfriars Road, London, SE1 8NJ, England |
| MALCOLM, Linda Moira RESIGNED | Secretary | 18 Oct 2010 | 22 May 2012 | | | Costain House, 111 Westminster Bridge Road, London, SE1 7JD |
| MALCOLM, Linda Moira RESIGNED | Secretary | 25 Jun 2007 | 10 Aug 2009 | | | Flat 2, 6 Kestrel Avenue, London, SE24 0EB |
| MAXWELL, Simon Jeffrey RESIGNED | Secretary | 27 Jun 2003 | 24 Sep 2003 | | | 20, West Drive, Maxwell, BN2 0GD |
| OFO, Nengi Elizabeth RESIGNED | Secretary | 12 Mar 2020 | 16 Jun 2020 | | | 203, Blackfriars Road, London, SE1 8NJ |
| RODWELL, Amy RESIGNED | Secretary | 08 Dec 2022 | 18 Jul 2025 | | | 4, Millbank, London, SW1P 3JA, United Kingdom |
| ROSS, Danielle Stacey RESIGNED | Secretary | 31 Jan 2019 | 21 May 2019 | | | 203, Blackfriars Road, London, SE1 8NJ |
| SILVERIO, Felipe Luis RESIGNED | Secretary | 21 May 2019 | 12 Mar 2020 | | | 203, Blackfriars Road, London, SE1 8NJ |
| TURGEL, Helena Rose RESIGNED | Secretary | 10 Aug 2009 | 18 Oct 2010 | | | Costain House, 111 Westminster Bridge Road, London, SE1 7JD |
| WAILLING, Helen RESIGNED | Secretary | 02 May 2017 | 28 Jun 2018 | | | 203, Blackfriars Road, London, SE1 8NJ |
| WANG, Ashley RESIGNED | Secretary | 24 Jun 2021 | 11 Nov 2022 | | | 203, Blackfriars Road, London, SE1 8NJ |
| ZBIKOWSKA, Teja RESIGNED | Secretary | 16 Jun 2020 | 24 Jun 2021 | | | 203, Blackfriars Road, London, SE1 8NJ |
| ZBIKOWSKA, Teja RESIGNED | Secretary | 28 Jun 2018 | 31 Jan 2019 | | | 203, Blackfriars Road, London, SE1 8NJ |
| ZBIKOWSKA, Teja Laura RESIGNED | Secretary | 27 Jul 2015 | 02 May 2017 | | | 203, Blackfriars Road, London, SE1 8NJ |
| ARMSTRONG, Anuradha Susan Tara Vittachi, Mrs. RESIGNED | Director | 30 Nov 1999 | 07 Dec 2005 | England | December 1947 | Hedgerley Wood House, Red Lane, Chinnor Hill, Chinnor, Oxfordshire, OX9 4BW |
| BADAWI MALIK, Zeinab Mohammed Khair RESIGNED | Director | | 02 Dec 2003 | United Kingdom | October 1959 | 1, Hampstead Square, London, NW3 1AB |
| BALDRY, Anthony Brian, Sir RESIGNED | Director | 03 Dec 2002 | 07 Dec 2005 | United Kingdom | July 1950 | Dovecote House, Church Street, Bloxham, Nr Banbury, Oxfordshire, OX15 4ET |
| BARNETT, John Andrew RESIGNED | Director | 30 Nov 1999 | 03 Oct 2011 | United Kingdom | December 1946 | Costain House, 111 Westminster Bridge Road, London, SE1 7JD |
| BAYLEY, Hugh Nigel Edward, Sir RESIGNED | Director | 03 Dec 2002 | 07 Dec 2005 | England | January 1952 | 9 Holly Terrace, York, North Yorkshire, YO10 4DS |
| BEALL, Josephine Dianne, Professor RESIGNED | Director | 04 Dec 2008 | 20 Jul 2009 | United Kingdom | January 1952 | Meadow View, Holton, Oxford, OX33 1PS, United Kingdom |
| BENNETT, Andrew John RESIGNED | Director | 03 Dec 2002 | 07 Dec 2005 | United Kingdom | April 1942 | Flat D 65 Warwick Square, London, SW1V 2AL |
| BERRYMAN, Marc RESIGNED | Director | 12 Dec 2022 | 23 Sep 2025 | United Kingdom | January 1982 | 4, Millbank, London, SW1P 3JA, United Kingdom |
| BRUYNSEELS, Dominic RESIGNED | Director | 23 Mar 1999 | 18 Jun 2008 | | August 1959 | 1 Churchill Place, London, E14 5HP |
| CAIRNS, Rt Hon The Earl RESIGNED | Director | 27 Oct 1992 | 29 Nov 2004 | | May 1939 | Bolehyde Manor, Allington, Chippenham, Wiltshire, SN14 6LW |
| CAMERON, Jonathan James O'Grady RESIGNED | Director | 29 Nov 2012 | 31 Jul 2021 | England | October 1961 | 203, Blackfriars Road, London, SE1 8NJ, England |
| CARRUTHERS, Ian Douglas, Professor RESIGNED | Director | | 24 May 1996 | | August 1938 | The Cottage, Anvil Green, Canterbury, Kent, CT4 7EU |
| COOPE, Robin RESIGNED | Director | | 03 Dec 2002 | | July 1939 | 74 Tring Avenue, Ealing, London, W5 3QB |
| DACCORD, Yves Francois RESIGNED | Director | 11 Jul 2016 | 15 Jul 2024 | Switzerland | March 1964 | 203, Blackfriars Road, London, SE1 8NJ |
| DAUZIE, Kenneth Kweku Sinamen, High Commissioner For Ghana RESIGNED | Director | 25 Apr 1995 | 27 Oct 1995 | | September 1930 | 41 Avenue Road, St Johns Wood, London, NW8 6BS |
| DAY, William Michael RESIGNED | Director | 05 Dec 2000 | 08 Oct 2012 | England | June 1956 | 203, Blackfriars Road, London, SE1 8NJ, England |
| DESAI, Jagdishchandra, Lord Meghnad RESIGNED | Director | 26 Jul 1994 | 02 Dec 2003 | | July 1940 | 606 Collingwood House, Dolphin Square, London, SW1V 3LX |
| DEVARAJAN, Shantayanan RESIGNED | Director | 24 Jul 2017 | 24 Jul 2023 | United States | April 1954 | 203, Blackfriars Road, London, SE1 8NJ |
| DOWDEN, Richard George RESIGNED | Director | 29 Nov 2004 | 07 Dec 2005 | United Kingdom | March 1949 | 7 Highbury Grange, London, N5 2QB |
| ECCLES, John Dawson, Viscount RESIGNED | Director | | 05 Dec 2000 | England | April 1931 | 5 St Johns House, 30 Smith Square, London, SW1P 3HF |
| ELKAN, Walter, Professor RESIGNED | Director | | 27 Jun 2000 | | March 1923 | 98 Boundary Road, London, NW8 0RH |
| ELLIOTT, Lawrence Brian RESIGNED | Director | 05 Dec 2000 | 07 Dec 2005 | | August 1955 | 48 Clarence Road, St. Albans, Hertfordshire, AL1 4NG |
| FABER, Michael Leslie Ogilvie, Professor RESIGNED | Director | | 04 Dec 2001 | | August 1929 | Institute Of Development Studies, University Of Sussex, Brighton, Sussex, BN1 9RE |
| GEDDES, Reay Mackay, Sir RESIGNED | Director | | 27 Oct 1992 | | December 1912 | 49 Eaton Place, London, SW1X 8DE |
| GOODWIN, Mark William RESIGNED | Director | | 27 Jul 1992 | | November 1953 | 14 Redcliffe Square, London, SW10 9JZ |
| GRANT, Ann RESIGNED | Director | 04 Dec 2008 | 11 Dec 2017 | United Kingdom | August 1948 | 203, Blackfriars Road, London, SE1 8NJ, England |
| GRIFFITHS, Martin RESIGNED | Director | 30 Nov 1999 | 29 Nov 2004 | | July 1951 | 6 Route De Peney-Demus, Satigny 1242, Geneva, Switzerland, FOREIGN |
| HAVILAND, Christopher Philip RESIGNED | Director | 23 Apr 1996 | 30 Mar 1998 | | February 1940 | 126 Andrewes House, Barbican, London, EC2Y 8AY |
| HOLME OF CHELTENHAM, Richard Gordon, Lord RESIGNED | Director | 25 Jun 1998 | 07 Dec 2005 | | May 1926 | 6 Saint Jamess Square, London, SW1Y 4LD |
| HOWELL, Paul Philip, Dr RESIGNED | Director | | 05 Apr 1994 | | February 1917 | Burfield Hall, Wymondham, Norfolk, NR18 9SJ |
| HUNTER, Isobel RESIGNED | Director | 29 Nov 2004 | 12 Dec 2016 | United Kingdom | October 1951 | 203, Blackfriars Road, London, SE1 8NJ, England |
| HURTADO, Maria Elena RESIGNED | Director | 23 Jul 1996 | 05 Dec 2000 | | July 1945 | 32 Poets Road, London, N5 2SE |
| JAY, Margaret Ann, Baroness RESIGNED | Director | 04 Dec 2001 | 06 Dec 2007 | United Kingdom | November 1939 | Lower Ground, 44 Blomfield Road, London, W9 2PF |
| JAY, Margaret Ann, Baroness RESIGNED | Director | 26 Oct 1993 | 12 May 1997 | United Kingdom | November 1939 | Lower Ground, 44 Blomfield Road, London, W9 2PF |
| JENKINS, Katherine Mary RESIGNED | Director | 26 Mar 2012 | 14 Oct 2013 | United Kingdom | February 1945 | 203, Blackfriars Road, London, SE1 8NJ, England |
| JOLLY, Arthur Richard RESIGNED | Director | 27 Jun 2000 | 07 Dec 2005 | | June 1934 | Old Brewery House, 32 Southover High Street, Lewes, East Sussex, BN7 1HX |
| JUDD, Frank Ashcroft, Rt. Hon. Lord RESIGNED | Director | | 04 Dec 2001 | United Kingdom | March 1935 | Rose Cottage, Thackthwaite, Cockermouth, Cumbria, CA13 0RP |
| KERSHAW, Richard RESIGNED | Director | | 05 Dec 2000 | United Kingdom | April 1934 | 82 Prince Of Wales Mansions, Prince Of Wales Drive, London, SW11 4BL |
| KHAN, Irene Zubaida RESIGNED | Director | 18 May 2020 | 31 May 2023 | France | December 1956 | 203, Blackfriars Road, London, SE1 8NJ |
| KINGHAM, Teresa Jane RESIGNED | Director | 25 Jun 1998 | 29 Nov 2004 | | May 1963 | 170 Reservoir Road, Gloucester, Gloucestershire, GL4 6SB |
| KYTE, Rachel Elizabeth RESIGNED | Director | 01 Aug 2023 | 18 Oct 2024 | England | March 1965 | 203, Blackfriars Road, London, SE1 8NJ |
| LAING, Richard George RESIGNED | Director | 29 Nov 2004 | 12 Dec 2016 | England | February 1954 | 203, Blackfriars Road, London, SE1 8NJ, England |
| LANKESTER, Timothy Patrick, Sir RESIGNED | Director | 23 Apr 1996 | 02 Dec 2003 | United Kingdom | April 1942 | 103 Albert Street, London, NW1 7LY |
| LEAUTIER, Ann Frances, Dr RESIGNED | Director | 07 Dec 2020 | 07 Jun 2023 | United States | December 1958 | 203, Blackfriars Road, London, SE1 8NJ |
| LESLIE, Peter Evelyn, Sir RESIGNED | Director | | 31 Oct 1995 | | March 1931 | Wychwood Manor, Ascot-Under-Wychwood, Oxon, OX7 6AQ |
| LIPTON, Michael, Professor RESIGNED | Director | 30 Nov 1999 | 03 Oct 2011 | United Kingdom | February 1937 | Costain House, 111 Westminster Bridge Road, London, SE1 7JD |
| LITTLE, Angela Winifred RESIGNED | Director | | 30 Nov 1999 | United Kingdom ( England ) (Gb-Eng) | December 1949 | 12 Vallance Road, Hove, East Sussex, BN3 2DA |
| MARSHALL, Peter, Sir RESIGNED | Director | 24 Jul 1990 | 30 Nov 1999 | | July 1924 | 26 Queensdale Road, London, W11 4QB |
| MARSHALL, Peter, Sir Peter RESIGNED | Director | | 28 Jan 1992 | | July 1924 | 31 Redan Street, London, W14 0AB |
| MCWILLIAM, Michael Douglas, Sir RESIGNED | Director | | 29 Nov 2004 | | June 1933 | 82 Portland Place, Apart W, London, W1N 3DH |
| MELROSE, Dianna Patricia RESIGNED | Director | 03 Oct 2016 | 31 Dec 2023 | United Kingdom | June 1952 | 203, Blackfriars Road, London, SE1 8NJ |
| MELROSE, Dianna Patricia RESIGNED | Director | 25 Jun 1998 | 04 Dec 2001 | | June 1952 | 214 Woodstock Road, Oxford, Oxfordshire, OX2 7NH |
| MUKARJI, Daleep Satyanand RESIGNED | Director | 10 Jun 2010 | 07 Mar 2012 | England | February 1946 | Costain House, 111 Westminster Bridge Road, London, SE1 7JD |
| NEWBERY, David Michael, Professor RESIGNED | Director | 01 Aug 1992 | 31 Oct 1995 | United Kingdom | June 1943 | 9 Huntingdon Road, Cambridge, Cambridgeshire, CB3 0HH |
| ONDAATJE, Elizabeth Heneghan RESIGNED | Director | 01 Jan 2015 | 07 Dec 2020 | United States | March 1962 | 203, Blackfriars Road, London, SE1 8NJ |
| PENNANT-REA, Rupert Lascelles RESIGNED | Director | | 29 Nov 2004 | Uk | January 1948 | 59 Cranmer Court, Whiteheads Grove, London, SW3 3HW |
| PERSAUD, Avinash Divakar RESIGNED | Director | 05 Dec 2000 | 19 Mar 2010 | London | June 1966 | Costain House, 111 Westminster Bridge Road, London, SE1 7JD |
| PERSAUD, Sharon Indira RESIGNED | Director | 02 Dec 2003 | 29 Nov 2004 | | January 1966 | 9 Roden Street, London, N7 6QJ |
| PINDER, John RESIGNED | Director | | 30 Nov 1999 | United Kingdom | June 1924 | 26 Bloomfield Terrace, London, SW1W 8PQ |
| PLEASE, Stanley RESIGNED | Director | | 30 Nov 1999 | | August 1923 | 6 Little Acreage, Old Marston, Oxford, Oxfordshire, OX3 0PS |
| PORTER, Robert Stanley RESIGNED | Director | | 29 Oct 1996 | | September 1924 | Lower Saunders, Cheriton Fitzpaine, Crediton, Devon, EX17 4JA |
| PRESTON, Peter Sansome, Sir RESIGNED | Director | | 27 Oct 1992 | | January 1922 | 5 Greville Park Avenue, Ashtead, Surrey, KT21 2QS |
| PRETZLIK, Lydia Rose Anna Phoebe RESIGNED | Director | 02 Dec 2003 | 24 Aug 2005 | | January 1969 | 6a Thorney Crescent, London, SW11 3TR |
| RANDEL, Judith Mary RESIGNED | Director | 30 Nov 1999 | 04 Dec 2001 | England | November 1955 | Old Westbrook Farm, Evercreech, Shepton Mallet, Somerset, BA4 6DS |
| RIGHTER, Rosemary RESIGNED | Director | | 25 Oct 1994 | | April 1943 | 10 Quick Street, London, N1 8HL |
| ROBINSON, Edward Austin Gossage, Sir RESIGNED | Director | | 01 Jun 1993 | | November 1997 | Sidney Sussex College, Cambridge, Cambs, CB2 3HU |
| RYRIE, William Sinclair, Sir RESIGNED | Director | 26 Apr 1994 | 05 Dec 2000 | | November 1928 | Hawkwood Hawkwood Lane, Chislehurst, Kent, BR7 5PW |
| SCOTT, Michael, Sir RESIGNED | Director | | 27 Oct 1993 | | May 1923 | 87a Cornwall Gardens, London, SW1A 2BN |