| WILLIS, Jacqui Laura ACTIVE | Secretary | 22 May 2026 | | | | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| RIDDELL, James Hendry ACTIVE | Director | 19 Dec 2025 | | England | February 1979 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| SLAVIN, Philip Simon ACTIVE | Director | 25 Feb 2020 | | England | October 1974 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| DIXON, Susan Elizabeth RESIGNED | Secretary | 25 Oct 2004 | 31 Dec 2012 | | | 16 Grosvenor Street, London, W1K 4QF |
| EASTWOOD, Charlotte Ind RESIGNED | Secretary | 23 Jul 2002 | 25 Oct 2004 | | | 16 Edna Street, London, SW11 3DP |
| HEAZELL, Frances Victoria RESIGNED | Secretary | 05 Oct 2016 | 22 May 2026 | | | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| HUGHES, Paul RESIGNED | Secretary | 06 May 1997 | 31 Jan 2000 | | | Lark Rise, 5 Greville Park Avenue, Ashtead, Surrey, KT21 2QS |
| ODELL, Sandra Judith RESIGNED | Secretary | 01 Jan 2013 | 05 Oct 2016 | | | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| ROBSON SKEETE, Gail RESIGNED | Secretary | 18 Oct 1999 | 30 May 2000 | | | 22a Woodpecker Copse, Locks Heath, Southampton, Hampshire, SO31 6WS |
| SHATTOCK, Nicholas Simon Keith RESIGNED | Secretary | 18 Aug 1995 | 06 May 1997 | | | 1 Court Lane, Dulwich, London, SE21 7DH |
| WALLS, Christopher John Barry RESIGNED | Secretary | | 18 Aug 1995 | | | 9 Hyde Park Gardens Mews, London, W2 2NU |
| WORTHINGTON, Rebecca Jane RESIGNED | Secretary | 09 Dec 1998 | 23 Jul 2002 | | | The Old Cottage 97 The High Street, Wargrave, Berkshire, RG10 8DD |
| ALEXANDER, Pamela Elizabeth RESIGNED | Director | 22 Jul 2003 | 28 Nov 2003 | United Kingdom | April 1954 | 49 Westover Road, London, SW18 2RF |
| ARMON-JONES, Christopher Hamilton RESIGNED | Director | 12 Nov 1996 | 11 Apr 2000 | | June 1949 | 11a Elsworthy Road, London, NW3 3DS |
| BARFIELD, Richard Arthur RESIGNED | Director | 18 Feb 1997 | 04 Jul 2000 | United Kingdom | April 1947 | South Persie, Bridge Of Cally, Blairgowrie, Perthshire, PH10 7LQ |
| BEAULAC, Timothy Paul RESIGNED | Director | 25 Nov 2019 | 23 Sep 2021 | United Kingdom | November 1955 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| BELL, Christopher, Mr. RESIGNED | Director | 17 Sep 2010 | 25 Sep 2015 | United Kingdom | November 1957 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| BRAHIN, Olivier Vincent Daniel RESIGNED | Director | 25 Sep 2015 | 11 Sep 2020 | United Kingdom | September 1966 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| CALNAN, Robert John RESIGNED | Director | 25 Sep 2015 | 08 Dec 2017 | United Kingdom | June 1957 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| CARTER, Simon Geoffrey RESIGNED | Director | 26 May 2015 | 13 Jan 2017 | United Kingdom | September 1975 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| CAYZER, Charles William, The Honourable RESIGNED | Director | 20 Jan 2010 | 25 Sep 2015 | England | April 1957 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| COUTURIER, Philippe RESIGNED | Director | 05 Oct 2016 | 02 Oct 2018 | England | November 1966 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| CROSS BROWN, Tom RESIGNED | Director | 27 May 2005 | 05 Sep 2006 | United Kingdom | December 1947 | Shipton Old Farm, Winslow, Buckinghamshire, MK18 3JL |
| DIXON, Peter John Bellett, Sir RESIGNED | Director | 20 Jan 2010 | 25 Sep 2015 | United Kingdom | May 1945 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| DODD, Angus Alexander RESIGNED | Director | 25 Sep 2015 | 07 Nov 2019 | England | May 1967 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| DUEDDEN, Jan-Christoph Dietrich RESIGNED | Director | 08 Sep 2021 | 26 Jan 2022 | United Kingdom | November 1977 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| DUGDALE, Edward Stratford RESIGNED | Director | 25 Mar 1996 | 07 Oct 2002 | England | August 1959 | Tickwood Hall, Much Wenlock, Shropshire, TF13 6NZ |
| DWYER, Tonianne RESIGNED | Director | 30 Nov 2006 | 16 Apr 2010 | United Kingdom | September 1962 | 170 Bishops Road, Fulham, London, SW6 7JG |
| ELLIS, Nigel George RESIGNED | Director | 08 Nov 1995 | 04 Sep 2007 | | April 1939 | Willmead Farm, Bovey Tracey, Newton Abbot, Devon, TQ13 9NP |
| EVANS, John Bryan RESIGNED | Director | | 24 Apr 2002 | | November 1934 | 19 Caithness Road, London, W14 0JA |
| FOULON, Jerome RESIGNED | Director | 03 Oct 2018 | 29 Aug 2024 | Canada | April 1974 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| GAVAGHAN, David Nicholas RESIGNED | Director | 10 May 2010 | 16 Feb 2012 | United Kingdom | August 1959 | 16, Grosvenor Street, London, W1K 4QF |
| HAMILTON STUBBER, James Robert RESIGNED | Director | 07 Oct 2002 | 02 Feb 2006 | United Kingdom | August 1954 | 1 The Regency, Hide Place, London, SW1P 4HD |
| HERBERT, John Ryan RESIGNED | Director | 25 Sep 2015 | 15 Mar 2023 | United States | June 1956 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| JAMES, Maxwell David Shaw RESIGNED | Director | 05 Jul 2011 | 27 Jun 2016 | England | January 1967 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| JENKINS, Michael Ben RESIGNED | Director | 11 Jun 2019 | 25 Feb 2020 | United Kingdom | September 1972 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| KEMPNER, Nigel Justin RESIGNED | Director | 25 May 2012 | 19 Jul 2016 | England | October 1956 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| KERSLAKE, Rosaleen Clare RESIGNED | Director | 01 Jul 2013 | 25 Sep 2015 | England | March 1957 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| KIRKPATRICK, David Jeffrey RESIGNED | Director | 12 Nov 1996 | 31 Oct 1999 | | August 1941 | 2 St Margarets Place, Edinburgh, EH9 1AY |
| KOUNTOURIS, George Evagelos, Dr RESIGNED | Director | 08 Dec 2017 | 14 Nov 2019 | United Kingdom | June 1954 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| LAFFIN, Simon Timothy RESIGNED | Director | 01 Feb 2008 | 20 Jul 2015 | England | June 1959 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| MACNAUGHTON, Joan RESIGNED | Director | 26 Jan 2004 | 31 Jan 2010 | England | September 1950 | 26 Elsynge Road, London, SW18 2HN |
| MEECH, Martin Richard RESIGNED | Director | 04 Jul 2000 | 22 Jul 2013 | United Kingdom | June 1957 | 16 Grosvenor Street, London, W1K 4QX |
| MINTER, Dean RESIGNED | Director | 26 Jan 2022 | 29 Aug 2024 | United Kingdom | August 1979 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| MITCHELL, Brian Jack RESIGNED | Director | | 06 Aug 1997 | England | December 1935 | Round Oak Old Station Road, Wadhurst, East Sussex, TN5 6TZ |
| PANGBOURNE, David Geoffrey RESIGNED | Director | 23 Aug 2001 | 07 Sep 2010 | United Kingdom | January 1940 | 1 Gustard Wood, Wheathampstead, St. Albans, Hertfordshire, AL4 8RP |
| PLENDER, William John Turner RESIGNED | Director | 23 Jul 2002 | 31 Mar 2010 | England | May 1945 | 150 Camberwell Grove, London, SE5 8RH |
| QUINTIN, Donald John RESIGNED | Director | 17 Oct 2018 | 23 Sep 2021 | United Kingdom | September 1972 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| RIDDELL, James Hendry RESIGNED | Director | 25 Sep 2015 | 29 Aug 2024 | England | February 1979 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| RILEY, Michael Edward RESIGNED | Director | 13 Aug 2001 | 23 Jul 2002 | | September 1960 | Tylers Barn, Tylers Green Broad Street, Cuckfield, West Sussex, RH17 5DX |
| RUCKER, William John RESIGNED | Director | 01 Oct 2009 | 25 Sep 2015 | England | June 1963 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| SAUNDERS, James Michael Edward RESIGNED | Director | 16 Jan 2017 | 19 Dec 2025 | England | May 1966 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| SHATTOCK, Nicholas Simon Keith RESIGNED | Director | 14 Jun 1995 | 24 Mar 2011 | England | October 1959 | 16 Grosvenor Street, London, W1K 4QF |
| SPEZZANO, Greg RESIGNED | Director | 26 Nov 2019 | 29 Aug 2024 | United Kingdom | October 1964 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |
| STEARN, Richard James RESIGNED | Director | 24 Jul 2012 | 03 Apr 2015 | United Kingdom | August 1968 | 43-45, Portman Square, London, W1H 6LY, United Kingdom |
| THOMAS, Barbara, Lady RESIGNED | Director | 03 Mar 2000 | 26 Nov 2008 | | December 1946 | 85, Queen Victoria Street, London, EC4V 4JL |
| WALLS, Christopher John Barry RESIGNED | Director | | 05 Jun 1997 | | June 1948 | 9 Hyde Park Gardens Mews, London, W2 2NU |
| WORTHINGTON, Rebecca Jane RESIGNED | Director | 24 Jul 2001 | 24 Sep 2012 | England | October 1971 | 16 Grosvenor Street, London, W1K 4QF |
| WYATT, Adrian Roger RESIGNED | Director | | 25 May 2012 | England | January 1948 | 16 Grosvenor Street, London, W1K 4QF |
| YARDENI, Ofer RESIGNED | Director | 25 Nov 2019 | 15 Mar 2023 | United States | March 1960 | 180, Great Portland Street, London, W1W 5QZ, United Kingdom |