| MARTIN, Sinead Mary ACTIVE | Secretary | 30 Jun 2016 | | | | One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW, United Kingdom |
| GARDINER, Mark William ACTIVE | Director | 31 Mar 2014 | | England | April 1961 | One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW, United Kingdom |
| WELDON, Thomas Daryl ACTIVE | Director | 31 Dec 2010 | | England | August 1963 | One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW, United Kingdom |
| ENGLE, Cecily Julia RESIGNED | Secretary | | 14 Sep 1998 | | | 55, Blenheim Terrace, London, NW8 0EJ |
| PEACOCK, Helena Caroline RESIGNED | Secretary | 14 Sep 1998 | 30 Jun 2016 | | | 28 Lancaster Grove, London, NW3 4PB |
| BRENNAN, Suzanne Margaret RESIGNED | Director | 06 Jul 2009 | 31 Mar 2014 | England | January 1969 | 23 Savernake Road, Hampstead, London, NW3 2JT |
| CLARKE, Roger Grenville Quinton RESIGNED | Director | 30 Jan 1998 | 31 Jan 1999 | | November 1954 | Whitebeam, Wainhill, Chinnor, Oxfordshire, OX39 4AB |
| ENGLE, Cecily Julia RESIGNED | Director | 29 Jan 1999 | 27 Jul 2000 | England | December 1960 | 55, Blenheim Terrace, London, NW8 0EJ |
| FIELD, Peter RESIGNED | Director | 01 Jan 2007 | 31 Dec 2010 | United Kingdom | August 1946 | 80 Strand, London, WC2R 0RL |
| FORBES WATSON, Anthony David RESIGNED | Director | 01 May 1997 | 28 Feb 2005 | | September 1954 | Saffron House, Ewelme, Wallingford, Oxfordshire, OX10 6HP |
| GLOVER, Trevor David RESIGNED | Director | 24 Dec 1992 | 24 Nov 1995 | | April 1940 | 15 Lebanon Gardens, London, SW18 1RQ |
| HALL, Stephen Derek RESIGNED | Director | 24 Nov 1995 | 31 Jan 1998 | | January 1942 | Parsonage Farm Cottage Forty Green, Beaconsfield, Buckinghamshire, HP9 1XS |
| HOUGHTON, Roger Geoffrey RESIGNED | Director | | 31 Dec 1992 | | June 1939 | 92 Teignmouth Road, London, NW2 4DY |
| LANDERS, Brian James RESIGNED | Director | 20 May 2003 | 31 Jul 2009 | United Kingdom | April 1949 | Briarbank House, 12a Childs Hill Road, Bookham Leatherhead, Surrey, KT23 3QG |
| MAKINSON, John Crowther RESIGNED | Director | 28 Feb 2005 | 01 Jan 2007 | England | October 1954 | 25 Richmond Crescent, London, N1 0LY |
| PEACOCK, Helena Caroline RESIGNED | Director | 28 Feb 2003 | 20 May 2003 | United Kingdom | October 1953 | 28 Lancaster Grove, London, NW3 4PB |
| POWER, Charles Richard RESIGNED | Director | 26 Jul 2000 | 28 Feb 2003 | | April 1964 | 17 Cumberland Street, London, SW1V 4LS |
| WATT, Susan RESIGNED | Director | 24 Dec 1992 | 31 Jan 1998 | | March 1938 | 18 Groveway, London, SW9 0AR |
| WEBSTER, John Walter RESIGNED | Director | | 19 Jan 1996 | | January 1936 | Woodmans Cottage Bramley Road, Silchester, Reading, Berkshire, RG7 2LT |