| TURTON, Victoria Jane ACTIVE | Director | 14 Sep 2010 | | England | October 1962 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| AJIBADE, Mimi, Dr RESIGNED | Secretary | 19 Sep 2019 | 07 Feb 2022 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| ANDREAE, Lisa Jane RESIGNED | Secretary | 01 Jun 1994 | 01 Apr 2001 | | | 38 Eglantine Road, London, SW18 2DD |
| BRIGHT, Neil Irvine RESIGNED | Secretary | 31 Aug 2013 | 30 Apr 2015 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BROWN, Robert John Johnston RESIGNED | Secretary | 30 Apr 2015 | 12 Nov 2015 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| FRENCH, John Richard RESIGNED | Secretary | 12 Aug 1992 | 23 May 1994 | | | 25 Brand Street, Greenwich, London, SE10 8SP |
| HOOK, Joanna Michaela RESIGNED | Secretary | 01 Apr 2007 | 14 Sep 2010 | | | 42 The Oval, Farncombe, Godalming, Surrey, GU7 3JW |
| JONES, Adam Maxwell RESIGNED | Secretary | 10 Jan 2011 | 31 Aug 2013 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MCMULLEN, Angela RESIGNED | Secretary | 12 Nov 2015 | 23 May 2025 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| PFEIL, John Christopher RESIGNED | Secretary | 14 Sep 2010 | 10 Jan 2011 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| WHALLEY, Rachael RESIGNED | Secretary | 01 Apr 2001 | 02 Mar 2007 | | | 133 Crowborough Road, London, SW17 9QD |
| WOOD, Lindsay Edith RESIGNED | Secretary | | 12 Aug 1992 | | | 11 Roseland House, 20 Weimar Street, Putney, London, SW15 1SY |
| ADLER, Benjamin RESIGNED | Director | 02 Jul 2004 | 24 Dec 2015 | Great Britain | July 1972 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| ANDREAE, Lisa Jane RESIGNED | Director | 06 Aug 1997 | 22 Nov 1999 | | June 1969 | 38 Eglantine Road, London, SW18 2DD |
| ANDREAE, Simon Edward RESIGNED | Director | 13 Jun 1994 | 05 Apr 2002 | | March 1966 | 38 Eglantine Road, London, SW18 2DD |
| BIBBY, Michael Andrew RESIGNED | Director | 14 Sep 2005 | 31 Jan 2007 | United Kingdom | June 1963 | 31 Downshall Avenue, Ilford, Essex, IG3 8NB |
| BRIGHT, Neil Irvine RESIGNED | Director | 31 Aug 2013 | 30 Apr 2015 | United Kingdom | February 1963 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BROWN, Robert John Johnston RESIGNED | Director | 30 Apr 2015 | 12 Nov 2015 | United Kingdom | August 1976 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BROWN, Steven Michael RESIGNED | Director | 21 Nov 2014 | 09 Jul 2026 | United Kingdom | December 1972 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BURNS, Julian Delisle RESIGNED | Director | 14 Sep 2010 | 01 Mar 2012 | United Kingdom | September 1949 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| GEATER, Sara Kate RESIGNED | Director | 01 May 2015 | 23 Jul 2026 | England | March 1955 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| GILLBE, Peter Stuart RESIGNED | Director | | 29 Jul 2005 | England | January 1946 | 28 Trafalgar Road, Twickenham, Middlesex, TW2 5EJ |
| GOSS, Clive Michael RESIGNED | Director | 17 May 2004 | 04 Nov 2004 | | February 1963 | 41 Glycena Road, Battersea, London, SW11 5TP |
| HOPPE, Beth RESIGNED | Director | 19 Oct 2004 | 31 Dec 2009 | Usa | April 1962 | 10 Robinson Street, Darien, Ct 06820, Usa |
| JONES, Adam Maxwell RESIGNED | Director | 10 Jan 2011 | 31 Aug 2013 | United Kingdom | April 1969 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| LLEWELLYN, Patricia Mary RESIGNED | Director | 06 Aug 1997 | 30 Apr 2016 | Great Britain | February 1962 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MANLEY, Helen Louise RESIGNED | Director | 28 Sep 2006 | 14 Dec 2015 | England | April 1971 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MCGREGOR, James RESIGNED | Director | 22 Oct 2008 | 02 Mar 2015 | United Kingdom | July 1969 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MCMULLEN, Angela RESIGNED | Director | 12 Nov 2015 | 23 May 2025 | England | January 1967 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MOODY, Sri Nicola RESIGNED | Director | 03 Oct 2005 | 06 Jul 2016 | Gbr | January 1960 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MORRISON, Stephen Roger RESIGNED | Director | 14 Sep 2010 | 24 Sep 2014 | United Kingdom | March 1947 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MURPHY, Michael Daniel RESIGNED | Director | | 31 Jan 1997 | | February 1951 | 180 Blythe Road, London, W14 0HD |
| MURPHY, Susan Frances RESIGNED | Director | 14 May 2012 | 06 May 2016 | United Kingdom | July 1962 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| PFEIL, John Christopher RESIGNED | Director | 14 Sep 2010 | 10 Jan 2011 | England | April 1958 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| STEPHENSON, Caroline RESIGNED | Director | 01 Apr 2010 | 31 Dec 2015 | United Kingdom | November 1972 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| SWAIN, Jonathan Francis Stopford RESIGNED | Director | 21 May 2015 | 18 Jul 2016 | United Kingdom | November 1973 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| TRELFORD, Donald Gilchrist RESIGNED | Director | | 31 Jan 1997 | | November 1937 | 20 Richmond Crescent, London, N1 0LZ |
| VENNER, Brian Edward Beauchamp Kingsford RESIGNED | Director | | 22 Nov 1993 | United Kingdom | June 1934 | Newberrys Gate Halls Lane, Waltham St Lawrence, Reading, RG10 0JB |
| WENHAM, Brian George RESIGNED | Director | | 08 May 1997 | | February 1937 | Red Cottage Wey Road, Weybridge, Surrey, KT13 8HW |
| WISNEVITZ, Norma RESIGNED | Director | 01 Apr 2008 | 02 Mar 2015 | Gbr | November 1974 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |