| MORROW, Andrew Martin ACTIVE | Director | 31 Jan 2012 | | United Kingdom | November 1967 | 8th Floor, Holborn Gate,, 26 Southampton Buildings, London, WC2A 1AN, England |
| THOMPSON, William Michael ACTIVE | Director | 27 Sep 2025 | | United Kingdom | June 1976 | 8th Floor, Holborn Gate,, 26 Southampton Buildings, London, WC2A 1AN, England |
| BRAMALL, Helen Mary RESIGNED | Secretary | 14 Jun 2015 | 31 Dec 2016 | | | 8th Floor, Holborn Gate,, 26 Southampton Buildings, London, WC2A 1AN, England |
| BROADHEAD, Tymon Piers RESIGNED | Secretary | 31 Mar 2006 | 14 Mar 2011 | | | 15-17, Huntsworth Mews, London, NW1 6DD |
| DASTUR, Rashna RESIGNED | Secretary | 09 Jan 2003 | 19 Apr 2004 | | | 34 Cedar Drive, Pinner, Middlesex, HA5 4DE |
| DEANE, Timothy William Melford RESIGNED | Secretary | | 09 Jan 2003 | | | 5 Chartfield Place, Hangar Hill, Weybridge, Surrey, KT13 9XQ |
| HATFIELD, Adam George Roland RESIGNED | Secretary | 19 Apr 2001 | 31 Jan 2005 | | | Old Berkeley Cottage, Common Road, Chorleywood, Hertfordshire, WD3 5LW |
| LEES, Jennifer Kathryn RESIGNED | Secretary | 14 Mar 2011 | 08 Aug 2014 | | | 15-17 Huntsworth Mews, London, NW1 6DD |
| WHITE, Jeremy Mark RESIGNED | Secretary | 31 Jan 2005 | 31 Mar 2006 | | | 14 Parkway, Ratton, Eastbourne, Sussex, BN20 9DX |
| ADAMS, Colin Raymond RESIGNED | Director | 11 Apr 2011 | 31 Jan 2012 | England | November 1960 | 15-17 Huntsworth Mews, London, NW1 6DD |
| ATTERBURY THOMAS, David RESIGNED | Director | 22 Dec 1993 | 31 Dec 2009 | England | March 1949 | 47 St Johns Park, Blackheath, London, SE3 7JW |
| BELL, Kevin RESIGNED | Director | 05 Nov 1991 | 01 Nov 1993 | England | September 1957 | 65 Riverside Court, 20 Nine Elms Lane, London, SW8 5BY |
| BRIGHT, Joanna RESIGNED | Director | 11 Oct 1993 | 22 Dec 1993 | | January 1960 | 24 Parkside Gardens, London, SW19 5EU |
| BROADHEAD, Tymon Piers RESIGNED | Director | 14 Mar 2011 | 11 Apr 2011 | England | August 1966 | 15-17 Huntsworth Mews, London, NW1 6DD |
| BURRELL, Michael Ian RESIGNED | Director | 11 Oct 1993 | 30 Sep 2002 | United Kingdom | June 1950 | 46 Wilmington Avenue, London, W4 3HA |
| CLARKE, Alison Jane RESIGNED | Director | 04 May 2004 | 16 Jun 2015 | United Kingdom | October 1960 | 29-35, Lexington Street, London, W1F 9AH, United Kingdom |
| HEPWORTH, Vivien Mary RESIGNED | Director | | 22 Dec 1993 | | May 1953 | 4 Grove Road, Epsom, Surrey, KT17 4DF |
| HORNE, Rebecca Adele RESIGNED | Director | 01 Jul 2015 | 01 Jul 2016 | United Kingdom | October 1971 | 8th Floor, Holborn Gate,, 26 Southampton Buildings, London, WC2A 1AN, England |
| JACKSON, Robert Charles St John RESIGNED | Director | | 01 Nov 1993 | | February 1950 | 112 Brunswick Road, Ealing, London, W5 1AW |
| JONES, Neil Garth RESIGNED | Director | 01 Jul 2016 | 27 Sep 2025 | England | June 1966 | 8th Floor, Holborn Gate,, 26 Southampton Buildings, London, WC2A 1AN, England |
| KENNEDY, Nigel Alan RESIGNED | Director | 01 Nov 1994 | 09 Dec 2009 | United Kingdom | February 1956 | 10 Rossdale Road, London, SW15 1AD |
| THOREAU, Heather RESIGNED | Director | | 22 Dec 1993 | | January 1956 | 43 Brunswick Quay, Redcliff Road, London, SE16 |
| TORINO, Peter RESIGNED | Director | | 30 Jun 1992 | | April 1954 | 29 Hartley Road, London, N11 |
| VEZEY, Peter Edward RESIGNED | Director | | 22 Dec 1993 | | July 1948 | 8 Beech Way, Wheathampstead, St Albans, Hertfordshire, AL4 8LY |
| WITHEY, Sally-Ann Patricia RESIGNED | Director | 16 Feb 2011 | 31 Dec 2014 | England | October 1962 | 15-17, Huntsworth Mews, London, NW1 6DD |
| YARDLEY, Daniel John RESIGNED | Director | 16 Dec 2009 | 28 Jul 2011 | United Kingdom | November 1977 | 21a, Dingwall Road, Earlsfield, London, SW18 3AZ |