| BALDWIN, Robert Patrick ACTIVE | Director | 21 Oct 2014 | | United Kingdom | March 1975 | 10, Triton Street, Regents Place, London, NW1 3BF |
| BRADFORD, Richard ACTIVE | Director | 15 Jul 2024 | | United Kingdom | December 1974 | 10, Triton Street, Regents Place, London, NW1 3BF |
| MALE, Annette June ACTIVE | Director | 30 Jan 2025 | | United Kingdom | October 1974 | 10, Triton Street, Regents Place, London, NW1 3BF |
| VILLA MULTEDO, Massimo ACTIVE | Director | 05 Jun 2019 | | England | May 1968 | 10, Triton Street, Regents Place, London, NW1 3BF |
| FOSTER, John Leslie RESIGNED | Secretary | 12 Mar 2002 | 01 Aug 2011 | | | 33 Grove Hill, London, E18 2JB |
| HITCHON, Mary Elizabeth RESIGNED | Secretary | 16 Mar 2020 | 30 Jun 2025 | | | 10, Triton Street, Regents Place, London, NW1 3BF |
| JAMISON, Mark Paul RESIGNED | Secretary | 06 Jan 1998 | 12 Mar 2002 | | | 29 Green Walk, Hampton, Middlesex, TW12 3YG |
| MOBERLY, Andrew John RESIGNED | Secretary | 19 Aug 2013 | 29 Feb 2020 | | | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| POWLEY, Roger Peter RESIGNED | Secretary | | 31 Dec 1997 | | | 9 Alleyn Park, Dulwich, London, SE21 8AU |
| WALLACE, Peter RESIGNED | Secretary | 01 Aug 2011 | 19 Aug 2013 | | | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| ALTMAN, Alex Edward RESIGNED | Director | 04 Feb 2003 | 05 Jan 2004 | England | March 1968 | 37 Southway, Totteridge, N20 8DD |
| BASTERFIELD, Mary Margaret RESIGNED | Director | 12 Oct 2016 | 09 Feb 2018 | United Kingdom | June 1973 | 10, Triton Street, Regents Place, London, NW1 3BF |
| BOOTHBY, Christopher Simon RESIGNED | Director | 19 Mar 2004 | 01 Oct 2005 | England | February 1960 | 29 Blackmore Way, Wheathampstead, Hertfordshire, AL4 8LJ |
| BUHLMANN, Jeremy Martin RESIGNED | Director | | 29 Oct 1999 | | November 1959 | Wayside, 23 Fairmile Lane, Cobham, Surrey, KT11 2DL |
| COLE, Terence Richard RESIGNED | Director | 28 May 1998 | 17 Sep 1999 | | January 1949 | Apt 2 Cherry Tree House, Macclesfield Road, Alderley Edge, Cheshire, SK9 7BL |
| CONRY, Martin John RESIGNED | Director | 24 Nov 1993 | 21 Nov 1997 | | February 1954 | Bayhorse Cottage 220 Hoghton Lane, Hoghton, Preston, Lancashire, PR5 0JH |
| CRAZE, Mark Robert Benjamin RESIGNED | Director | | 23 Apr 2004 | | February 1960 | 3 Gorse Corner, Townsend Drive, St. Albans, Hertfordshire, AL3 5SH |
| DE GROOSE, Tracy Anne RESIGNED | Director | 13 Sep 2014 | 13 Oct 2017 | England | March 1968 | 10, Triton Street, Regents Place, London, NW1 3BF |
| DONNELLY, Pat RESIGNED | Director | 04 Feb 2003 | 28 Feb 2005 | | April 1952 | 43 Stillorgan Park, Black Rock, County Dublin, IRISH, Ireland |
| ELEY, Elizabeth Susan RESIGNED | Director | 27 Aug 2002 | 31 Aug 2006 | England | April 1962 | 21 Gladsmuir Road, London, N19 3JY |
| FEATHER, Stuart Nicholas RESIGNED | Director | 15 Nov 1999 | 18 Nov 2011 | Scotland | May 1959 | Woodlea House, 9 Church Hill, Edinburgh, EH10 4BG |
| FOSTER, John Leslie RESIGNED | Director | 12 Mar 2002 | 01 Aug 2011 | Great Britain | January 1954 | 33 Grove Hill, London, E18 2JB |
| FROGLEY, Susan Clare RESIGNED | Director | 01 Jan 2008 | 11 May 2012 | United Kingdom | October 1963 | 4 Dulwich Oaks Place, College Road, London, SE21 7NA |
| GLYDON, Patrick Richard RESIGNED | Director | 11 May 2012 | 01 May 2015 | England | October 1964 | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| GRANT, Patricia Francis RESIGNED | Director | 29 Oct 1999 | 19 Mar 2004 | | April 1964 | Flat 4 14 Cleveland Square, London, W2 6DH |
| GULLEN, Philip Stuart RESIGNED | Director | 01 Jan 1995 | 31 May 2001 | | January 1956 | 13 Maylands Drive, Uxbridge, Middlesex, UB8 1BH |
| HARRISON, David Ernest RESIGNED | Director | | 26 Oct 1994 | | July 1936 | Gretels Corner Grimms Hill, Great Missenden, Buckinghamshire, HP16 9BA |
| HOCHMAN, Charles RESIGNED | Director | 19 Jan 1993 | 26 Oct 1994 | | November 1928 | 19 Rue Raynouard, Paris 75016, France |
| HORLER, Robert Anthony RESIGNED | Director | 01 Dec 2010 | 01 May 2015 | England | December 1968 | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| HORLER, Robert Anthony RESIGNED | Director | 04 Feb 2003 | 22 Jan 2008 | | December 1968 | Flat 8 136 Sutherland Avenue, London, W9 1HP |
| HUIJBOOM, Petrus Henricus Coenraad RESIGNED | Director | 13 Nov 2020 | 31 Dec 2023 | Netherlands | May 1963 | 10, Triton Street, Regents Place, London, NW1 3BF |
| JAMISON, Mark Paul RESIGNED | Director | 14 Jul 1992 | 12 Mar 2002 | | July 1955 | 29 Green Walk, Hampton, Middlesex, TW12 3YG |
| JARVIE, Euan Mackenzie RESIGNED | Director | 07 Jan 2021 | 21 Oct 2021 | Scotland | November 1967 | 10, Triton Street, Regents Place, London, NW1 3BF |
| JARVIS, Mark RESIGNED | Director | 19 Mar 2004 | 25 Aug 2005 | England | August 1961 | 37 St Marks Road, Windsor, Berkshire, SL4 3BD |
| JONES, Neil Stanley RESIGNED | Director | 23 Feb 2005 | 20 Apr 2009 | England | July 1964 | 71 Burbage Road, Dulwich, London, SE24 9HB |
| KELLY, Raymond Frank RESIGNED | Director | | 05 Feb 2002 | England | July 1950 | Cairngorm Cavendish Road, St Georges Hill, Weybridge, Surrey, KT13 0JX |
| LEFEBVRE, Michael RESIGNED | Director | 19 Jan 1993 | 19 May 1994 | | May 1947 | 60 Rue Caulincourt, Paris 75018, France |
| MANTON, Michael George RESIGNED | Director | | 18 Apr 1994 | | February 1927 | 4 Dunollie Place, London, NW5 2XR |
| MCDONNELL, Liam William Peter RESIGNED | Director | 23 Feb 2005 | 07 Dec 2010 | Ireland | October 1962 | Violet Hill, Vico Rd, Dalkey, Co Dublin, IRISH, Ireland |
| MILLAR, Grant RESIGNED | Director | 01 Dec 2010 | 28 Sep 2012 | United Kingdom | March 1971 | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| MILLS, Colin John RESIGNED | Director | 29 Oct 1999 | 13 May 2005 | United Kingdom | May 1965 | Manor Farm Cottage, The Common, Chipperfield, Hertfordshire, WD4 9BN |
| O'CONNELL, Nikola Kate RESIGNED | Director | | 21 Dec 1994 | | September 1955 | Foxcroft, 62b Maberley Road Upper Norwood, London, SE19 2JA |
| PLATTS, Matthew RESIGNED | Director | 01 Oct 2012 | 16 Mar 2020 | England | October 1971 | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| PONTIDAS, Peter RESIGNED | Director | 21 Oct 2014 | 31 Mar 2025 | United Kingdom | June 1961 | 10, Triton Street, Regents Place, London, NW1 3BF |
| POWLEY, Roger Peter RESIGNED | Director | | 31 Dec 1997 | | May 1947 | 9 Alleyn Park, Dulwich, London, SE21 8AU |
| PRICE, Claire Margaret RESIGNED | Director | 16 Sep 2013 | 12 Oct 2016 | England | April 1973 | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| REICH, David Sigmund RESIGNED | Director | | 14 Jul 1992 | England | September 1949 | 150 Hanging Hill Lane, Hutton, Brentwood, Essex, CM13 2HG |
| RICKARD, Anne Teresa RESIGNED | Director | 26 Oct 1994 | 28 Mar 2018 | England | July 1953 | The Gables Grove Hill, Harrow On The Hill, Middlesex, HA1 3HE |
| ROMIJN, Dennis Romijn RESIGNED | Director | 05 Jun 2019 | 05 Apr 2023 | Netherlands | August 1974 | 10, Triton Street, Regents Place, London, NW1 3BF |
| SHARROCKS, Nigel RESIGNED | Director | 20 Sep 2004 | 11 May 2012 | United Kingdom | August 1956 | NW3 |
| SPERRIN, Nicholas Stephen RESIGNED | Director | 06 Jan 2021 | 24 Apr 2024 | England | September 1963 | 10, Triton Street, Regents Place, London, NW1 3BF |
| STOREY, Nick RESIGNED | Director | 13 Mar 2023 | 07 Jul 2026 | United Kingdom | July 1987 | 10, Triton Street, Regents Place, London, NW1 3BF |
| TANGAS, Angela RESIGNED | Director | 15 Jul 2024 | 31 Dec 2024 | United Kingdom | May 1982 | 10, Triton Street, Regents Place, London, NW1 3BF |
| THOMAS, Nicholas Paul RESIGNED | Director | 01 May 2015 | 05 Jun 2019 | England | March 1962 | 10, Triton Street, Regents Place, London, NW1 3BF |
| VIAL COLLET, Thierry Francois RESIGNED | Director | 19 Jan 1993 | 19 May 1994 | | March 1946 | 39 Chemin De La Jonchere, F-92500 Rueil-Malmaison, France |
| WALLACE, Peter Gary RESIGNED | Director | 01 Aug 2011 | 30 Aug 2013 | United Kingdom | May 1964 | 10, Triton Street, Regents Place, London, NW1 3BF, England |
| WILLIAMS, Michael Brian RESIGNED | Director | | 24 Nov 1993 | | August 1951 | 8 Dale Avenue, Bramall, Stockport, Cheshire, SK7 2JP |
| YERSHON, Michael Larry RESIGNED | Director | | 14 Jul 1992 | | October 1947 | 17 Grangeway Gardens, Redbridge, Ilford, Essex, IG4 5HN |