| 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 | 21 Dec 2015 | 31 Dec 2016 | | | 8th Floor, Holborn Gate,, 26 Southampton Buildings, London, WC2A 1AN, England |
| BUTTERWORTH, Michael Guy RESIGNED | Secretary | 18 Jun 2001 | 13 May 2005 | | | The Woodman,, Howe Street, Great Waltham, Chelmsford, CM3 1BA |
| LEES, Jennifer Kathryn RESIGNED | Secretary | 13 May 2005 | 08 Aug 2014 | | | 15-17 Huntsworth Mews, London, NW1 6DD |
| NICHOLS, Richard Stephen RESIGNED | Secretary | 30 Jul 1999 | 18 Jun 2001 | | | 3a Devonshire Road, Harpenden, Hertfordshire, AL5 4TJ |
| SLATER, Deborah Suzanne RESIGNED | Secretary | 22 Sep 1999 | 06 Jun 2000 | | | 7 Catherine Court, Callow St, London, SW3 6BG |
| STEEDS, Kevin Barrie RESIGNED | Secretary | | 30 Jul 1999 | | | 20 Fortismere Avenue, Muswell Hill, London, N10 3BL |
| ADAMS, Colin Raymond RESIGNED | Director | 11 Apr 2011 | 31 Jan 2012 | England | November 1960 | 15-17 Huntsworth Mews, London, NW1 6DD |
| BISHOP, Bruce Eugene RESIGNED | Director | 14 Dec 2001 | 12 Dec 2002 | Usa | September 1960 | 6 Bevin Road East, Asharoken, Ny 11768, Usa |
| BROADHEAD, Tymon Piers RESIGNED | Director | 31 May 2006 | 11 Apr 2011 | England | August 1966 | 15-17, Huntsworth Mews, London, NW1 6DD |
| BROADHEAD, Tymon RESIGNED | Director | 21 Jul 2005 | 01 Sep 2005 | | August 1966 | 3 Thistle Grove, London, SW10 9RR |
| BUTTERWORTH, Michael Guy RESIGNED | Director | 09 Oct 2002 | 13 May 2005 | England | April 1961 | The Woodman,, Howe Street, Great Waltham, Chelmsford, CM3 1BA |
| CAMPBELL-HARRIS, Alastair Neil RESIGNED | Director | | 27 Feb 1997 | | February 1926 | Gattendon Lodge, Goring On Thames, Reading, Berkshire, RG8 9UU |
| CAVENDISH, Leopold Joseph RESIGNED | Director | | 30 Jun 1993 | | March 1940 | London House 3 West Street, Ditchling, Hassocks, West Sussex, BN6 8TS |
| FAULKNER, Richard Oliver, Lord Faulkner Of Worcester RESIGNED | Director | 28 Jun 1993 | 15 Jun 1995 | England | March 1946 | 13 Wilton Crescent, Wimbledon, London, SW19 3QY |
| GADD, John Staffan RESIGNED | Director | | 14 Jun 1993 | | September 1934 | Locks Manor, Malthouse Lane, Hurstpierpoint, West Sussex, BN6 9JZ |
| GOLDSTEIN, Gary Sandford RESIGNED | Director | 06 May 1996 | 30 Jan 1997 | | November 1954 | 161 Buxton Road, Bedford Hills, New York 10507, United States Of America |
| GOOD, Charles Anthony RESIGNED | Director | | 03 Sep 1999 | | May 1946 | 31 Clapham Common West Side, London, SW4 9AN |
| GREEN, Graham James RESIGNED | Director | 03 Mar 1997 | 30 Jun 1997 | United Kingdom | December 1947 | Kings Mill House, South Nutfield, Redhill, Surrey, RH1 5NG |
| GREENHALGH, John William RESIGNED | Director | 28 Jun 1993 | 31 Jan 1994 | United Kingdom | June 1936 | 5 Coutts Crescent, London, NW5 1RF |
| HORNE, Rebecca RESIGNED | Director | 01 Aug 2006 | 02 Dec 2010 | United Kingdom | October 1971 | 7 Ryecroft, Longfield Hill, Longfield, Kent, DA3 7AU |
| 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 |
| NICHOLS, Richard Stephen RESIGNED | Director | 30 Jul 1999 | 31 Oct 2005 | United Kingdom | May 1965 | 15a Rothamsted Avenue, Harpenden, Hertfordshire, AL5 2DD |
| OWEN, Gary David RESIGNED | Director | 21 Jul 2005 | 01 Sep 2005 | | February 1962 | The Pines, Send Hill, Send, Woking, Surrey, GU23 7HR |
| ROBINSON, Peter L RESIGNED | Director | 01 Aug 2006 | 21 Dec 2015 | Usa | January 1966 | 429 Emory Road, Mineola, NY11501, Usa |
| ROBINSON, Peter L RESIGNED | Director | 14 Dec 2001 | 12 Dec 2002 | Usa | January 1966 | 429 Emory Road, Mineola, NY11501, Usa |
| SELMAN, Roger Malcolm RESIGNED | Director | 13 May 2005 | 31 May 2006 | United Kingdom | October 1943 | 5 Vineries Bank, Milespit Hill Mill Hill, London, NW7 2RP |
| STEEDS, Kevin Barrie RESIGNED | Director | | 12 Sep 2001 | | July 1958 | 20 Fortismere Avenue, Muswell Hill, London, N10 3BL |
| WHITE, Jeremy Mark RESIGNED | Director | 21 Jul 2005 | 01 Sep 2005 | | June 1960 | 14 Parkway, Ratton, Eastbourne, Sussex, BN20 9DX |
| WITHEY, Sally-Ann Patricia RESIGNED | Director | 28 Nov 2005 | 31 Dec 2014 | England | October 1962 | 15-17, Huntsworth Mews, London, NW1 6DD |
| WRIGHT, David Ernest RESIGNED | Director | | 09 Oct 2002 | | June 1944 | The Priory, 23 Matham Road, East Molesey, Surrey, KT8 0SX |