| WEDMORE, Elizabeth Kenzie ACTIVE | Secretary | 31 Jul 2013 | | | | 12, Penzance Place, London, W11 4PA, England |
| ABRAHAM, Eric Antony ACTIVE | Director | 02 Jul 2018 | | United Kingdom | March 1954 | 12, Addison Avenue, London, W11 4QR |
| HOTZ, Daniel Jakob Anders ACTIVE | Director | 04 Nov 2025 | | United Kingdom | October 1997 | 12, Addison Avenue, London, W11 4QR |
| RAUSING, Sigrid Maria Elisabet ACTIVE | Director | 16 Dec 2005 | | United Kingdom | January 1962 | Aubrey House, Aubrey Road, London, W8 7JJ |
| BUFORD, William Holmes RESIGNED | Secretary | 25 Sep 1992 | 17 Mar 1995 | | | 24 Magrath Avenue, Cambridge, Cambridgeshire, CB4 3AH |
| GIBB, Kathleen RESIGNED | Secretary | 16 Dec 2005 | 22 Dec 2009 | | | 29, Neville Road, Peacehaven, East Sussex, BN10 8PE, United Kingdom |
| GRANNON, Michael Lee RESIGNED | Secretary | 09 Aug 1995 | 16 Dec 2005 | | | 48 Turtleback Lane West, New Canaan, Ct, 06840, Usa |
| JOHNS, Derek RESIGNED | Secretary | | 25 Sep 1992 | | | 29 Plympton Road, London, NW6 7EH |
| NICHOLSON, Craig RESIGNED | Secretary | 11 Jan 2010 | 31 Jul 2013 | | | 43, Swanscombe Road, London, W4 2HL, United Kingdom |
| ABRAHAM, Eric Antony RESIGNED | Director | 16 Dec 2005 | 11 Jun 2015 | United Kingdom | March 1954 | Aubrey House, Aubrey Road, London, W8 7JJ |
| BUFORD, William Holmes RESIGNED | Director | | 17 Mar 1995 | | October 1954 | 24 Magrath Avenue, Cambridge, Cambridgeshire, CB4 3AH |
| DE BOLLA, Peter Leslie RESIGNED | Director | | 27 Jul 2010 | | May 1957 | 7 Campbell Street, Cambridge, Cambridgeshire, CB1 3NE |
| ELLIOTT, Anthony Michael Manton RESIGNED | Director | 01 Jan 2015 | 30 Jun 2018 | England | January 1947 | 12, Addison Avenue, London, W11 4QR |
| GAVRON, Katharine Susan, Lady RESIGNED | Director | 01 Jan 2016 | 30 Jun 2018 | United Kingdom | January 1955 | 12, Addison Avenue, London, W11 4QR |
| GRAHAM, David RESIGNED | Director | 21 May 2007 | 09 Jun 2009 | United Kingdom | November 1960 | 351 Portobello Road, London, W10 5SA |
| GRANNON, Michael Lee RESIGNED | Director | 30 May 1995 | 16 Dec 2005 | | February 1944 | 48 Turtleback Lane West, New Canaan, Ct, 06840, Usa |
| HARDIE, Jeremy Mawdesley RESIGNED | Director | 01 Jan 2018 | 30 Jun 2018 | England | June 1938 | 12, Addison Avenue, London, W11 4QR |
| HEDERMAN, Rea Smith RESIGNED | Director | 30 May 1995 | 16 Dec 2005 | | December 1944 | 5 St Lukes Place, New York, Ny, 10014, Usa |
| JACK, Ian Grant RESIGNED | Director | 30 May 1995 | 31 May 2007 | | February 1945 | 44 Northolme Road, Highbury, London, N5 2UX |
| JOHNS, Derek Alan RESIGNED | Director | 01 Jul 2014 | 08 Jul 2015 | United Kingdom | July 1948 | 12, Addison Avenue, London, W11 4QR |
| JOHNS, Derek RESIGNED | Director | | 25 Sep 1992 | | July 1948 | 29 Plympton Road, London, NW6 7EH |