| NIVEN, Frances Julie ACTIVE | Secretary | 30 Nov 2021 | | | | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| INCHCOOMBE, Steven Charles ACTIVE | Director | 08 Sep 2006 | | England | November 1964 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| JACOBS, Rachel Elizabeth ACTIVE | Director | 30 May 2013 | | United Kingdom | December 1975 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| JEGADEESAN, Harshavardhan ACTIVE | Director | 01 Jan 2024 | | Germany | November 1980 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| FLEMING, Catherine Elinor RESIGNED | Secretary | 16 Aug 1999 | 29 Jun 2012 | | | Marlston Farm House, Marlston Hermitage, Thatcham, Berkshire, RG18 9UU |
| POWTER, Martin Edward RESIGNED | Secretary | 26 Feb 2004 | 29 Jun 2013 | | | 13 Stocker Close, Basingstoke, Hampshire, RG21 3HY |
| TROTMAN, Paul Stanley RESIGNED | Secretary | | 16 Aug 1999 | | | Goose Green, Southington, Overton, Hampshire, RG25 3DA |
| WILLIAMS HAMER, Gabrielle Mary RESIGNED | Secretary | 29 Jun 2012 | 30 Nov 2021 | | | 4, Crinan Street, London, N1 9XW, United Kingdom |
| ALLEN, Simon Jonathan, Managing Director RESIGNED | Director | 22 Mar 2011 | 13 May 2015 | United Kingdom | August 1961 | Brunel Road, Houndmills, Basingstoke, Hants, RG21 6XS, United Kingdom |
| BARKER, Raymond RESIGNED | Director | | 31 Dec 1999 | | August 1936 | 1 Coombehurst Close, Cockfosters Road, Hadley Wood, Hertfordshire, EN4 0JU |
| BARNARD, Michael John RESIGNED | Director | | 31 Dec 2006 | | May 1944 | Heronwood Soldridge Road, Medstead, Alton, Hampshire, GU34 5JF |
| BOURNE, Emma Jane RESIGNED | Director | 19 Oct 2017 | 08 Nov 2024 | United Kingdom | December 1969 | 4, Crinan Street, London, N1 9XW, United Kingdom |
| BRITTON, Tim John RESIGNED | Director | 19 Oct 2017 | 31 Dec 2018 | United Kingdom | November 1968 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| BURNS, Iain Keatings RESIGNED | Director | 20 Apr 1993 | 31 Dec 1995 | England | April 1948 | Crow Clump Yaffle Road, St Georges Hill, Weybridge, Surrey, KT13 0QF |
| BYAM SHAW, Nicholas Glencairn RESIGNED | Director | | 31 Dec 1999 | England | March 1934 | 9 Kensington Park Gardens, London, W11 3HB |
| CHARKIN, Richard Denis Paul RESIGNED | Director | 01 Jan 1998 | 28 Sep 2007 | United Kingdom | June 1949 | 3 Redcliffe Place, London, SW10 9DB |
| CRAMOND, Simon Peter Darlington RESIGNED | Director | 07 Mar 2014 | 01 Nov 2016 | United Kingdom | February 1956 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| DAVIES, Brian John RESIGNED | Director | | 07 May 1994 | | October 1950 | 5 Rosehill Road, London, SW18 2NY |
| DRINKALL, Christopher John Julian RESIGNED | Director | 08 Sep 2006 | 19 Aug 2010 | England | April 1964 | 39 Saltoun Road, London, SW2 1EN |
| FARRIES, William Hanson RESIGNED | Director | 31 May 2012 | 31 Mar 2014 | United Kingdom | April 1950 | 40, Blandford Avenue, Oxford, Oxfordshire, OX2 8DZ, United Kingdom |
| FARRIES, William Hanson RESIGNED | Director | 15 Jan 2007 | 31 May 2012 | United Kingdom | April 1950 | 40 Blandford Avenue, Oxford, OX2 8DZ |
| FARRIES, William Hanson RESIGNED | Director | 16 Jun 2003 | 31 Dec 2006 | United Kingdom | April 1950 | 40 Blandford Avenue, Oxford, OX2 8DZ |
| FORBES WATSON, Anthony David RESIGNED | Director | 12 Jun 2008 | 19 Mar 2015 | England | September 1954 | The Granary, 27-31 High Street, Watlington, Oxfordshire, OX49 5PZ, United Kingdom |
| GORDON WALKER, Alan RESIGNED | Director | | 07 May 1995 | England | May 1946 | 2 Umbria Street, London, SW15 5DP |
| HAANK, Derk Johan RESIGNED | Director | 12 Nov 2015 | 31 Dec 2017 | The Netherlands | April 1953 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| KNIGHT, Dominic John Gerard RESIGNED | Director | 04 Apr 2001 | 29 Apr 2016 | England | November 1954 | Ashdown House Rectory Road, Streatley, Berkshire, RG8 9LE |
| MACMILLAN, David Maurice Benjamin RESIGNED | Director | 01 Jul 1993 | 15 Jan 1998 | England | March 1957 | 5 Stanley Crescent, London, W11 2NB |
| MAHAFFY, Sarah Georgiana RESIGNED | Director | 09 Sep 1996 | 13 Feb 1997 | | July 1952 | 28 Cassland Road, London, E9 7AN |
| MICHAELS, Kenneth James RESIGNED | Director | 27 Sep 2013 | 12 Jun 2015 | United States | July 1959 | 4, Crinan Street, London, N1 9XW, United Kingdom |
| NATHAN, Richard Abraham RESIGNED | Director | 20 Dec 2007 | 15 Mar 2010 | England | December 1965 | Flat 83 Exchange Building, 132 Commercial Street, London, E1 6NQ |
| NATHAN, Richard Abraham RESIGNED | Director | 23 Feb 2007 | 28 Sep 2007 | England | December 1965 | Flat 83 Exchange Building, 132 Commercial Street, London, E1 6NQ |
| NATHAN, Richard Abraham RESIGNED | Director | 07 Feb 2003 | 31 Dec 2006 | England | December 1965 | Flat 83 Exchange Building, 132 Commercial Street, London, E1 6NQ |
| NORTH, David John RESIGNED | Director | 04 Apr 2001 | 11 Apr 2008 | Uk | July 1959 | 11 Squirrel Chase, Fields End, Hemel Hempstead, Hertfordshire, HP1 2TL |
| PATERSON, Christopher John RESIGNED | Director | | 31 Jan 2008 | United Kingdom | January 1947 | Sarum House, Mead Lane, Upper Basildon, Berkshire, RG8 8NA |
| PECK, Nicholas David RESIGNED | Director | | 30 Jun 1993 | United Kingdom | April 1946 | 8 Heathside Close, Moor Park, Northwood, Middlesex, HA6 2EQ |
| SOAR, Adrian Richard RESIGNED | Director | | 05 Mar 2001 | England | March 1941 | 85 Vincent Square, London, SW1P 2PF |
| SUTHERLAND, Andrew John RESIGNED | Director | 08 Apr 1993 | 31 Oct 1999 | | June 1953 | 261 Peckham Rye, London, SE15 3AB |
| THOMAS, Annette Christina, Dr RESIGNED | Director | 04 Apr 2001 | 09 Mar 2016 | England | April 1965 | Brunel Road, Houndmills, Basingstoke, Hampshire, RG21 6XS, United Kingdom |
| TODD, Geoffrey Richard Utten RESIGNED | Director | 14 Jun 1993 | 31 Dec 2006 | | January 1948 | Field View Homestead Road, Medstead, Alton, Hampshire, GU34 5NA |
| VEST, Helmut Ulrich, Dr RESIGNED | Director | 22 Dec 2016 | 31 Dec 2023 | Germany | November 1963 | The Campus, 4 Crinan Street, London, N1 9XW, United Kingdom |
| WHEELDON, Jonathan Mark RESIGNED | Director | 29 Sep 2008 | 31 May 2012 | England | February 1964 | Bute Cottage 7, Meadow Close, Richmond, Surrey, TW10 7AJ |
| WILLIAMS HAMER, Gabrielle Mary RESIGNED | Director | 23 Jul 2018 | 30 Nov 2021 | United Kingdom | September 1958 | 4, Crinan Street, London, N1 9XW, England |