| LANG, Venetia Jane ACTIVE | Director | 14 Oct 2015 | | England | November 1971 | 4 The Willows, 83 Vincent Square, London, SW1P 2PF, England |
| LYE, Simon James ACTIVE | Director | 19 May 2026 | | England | July 1950 | 140a, Tachbrook Street, London, SW1V 2NE, England |
| MACMILLAN, Ross Stuart ACTIVE | Director | 04 Oct 1999 | | United States | November 1970 | 6 The Willows, 83 Vincent Square, London, SW1P 2PF |
| MAXWELL, Simon Jeffrey ACTIVE | Director | 04 Oct 2011 | | England | May 1948 | 1b, The Willows, 83 Vincent Square, London, SW1P 2PF, England |
| SOMERVILLE, Patrick James ACTIVE | Director | | | England | February 1938 | 3 The Willows 83 Vincent Square, London, SW1P 2PF |
| WILLIAMS, Sarah ACTIVE | Director | 26 Jul 2018 | | England | November 1982 | 140a, Tachbrook Street, London, SW1V 2NE, England |
| FRY, Richard RESIGNED | Secretary | 05 Nov 2014 | 23 Jul 2015 | | | 52, Moreton Street, London, SW1V 2PB |
| MACMAHON, Robert Patrick Kenworthy RESIGNED | Secretary | | 01 Jun 1999 | | | 6 The Willows 83 Vincent Square, London, SW1P 2PF |
| RANDLE, John Barrie RESIGNED | Secretary | 01 Nov 2006 | 05 Nov 2014 | | | 1 The Willows, 83 Vincent Square, London, SW1P 2PF |
| SOMERVILLE, Patrick James RESIGNED | Secretary | 01 Jun 1999 | 01 Nov 2006 | | | 3 The Willows 83 Vincent Square, London, SW1P 2PF |
| BIGGS, John Peter RESIGNED | Director | 06 Mar 2007 | 13 Sep 2012 | United Kingdom | July 1953 | Flat 8 The Willows, 83 Vincent Square, London, SW1P 2PF |
| COGAN, Jennifer Isobel Claire RESIGNED | Director | 14 Sep 2004 | 01 Nov 2006 | | May 1938 | 8 The Willows, 83 Vincent Square, London, SW1P 2PF |
| FLORU, Jean-Paul Thierry RESIGNED | Director | 21 Aug 2013 | 26 Jul 2018 | United Kingdom | August 1969 | 8 The Willows, 83 Vincent Square, London, SW1P 2PF, Uk |
| FOULSHAM, Paul John RESIGNED | Director | | 21 Nov 2003 | | December 1952 | 8 The Willows 83 Vincent Square, London, SW1P 2PF |
| LANG, Sandra Caroline RESIGNED | Director | | 02 Feb 2016 | United Kingdom | November 1946 | 4 The Willows 83 Vincent Square, London, SW1P 2PF |
| LYE, Simon James RESIGNED | Director | | 19 May 2026 | United Kingdom | July 1930 | 7 The Willows 83 Vincent Square, London, SW1P 2PF |
| MACMAHON, Robert Patrick Kenworthy RESIGNED | Director | | 04 Oct 1999 | | April 1924 | 6 The Willows 83 Vincent Square, London, SW1P 2PF |
| RANDLE, John Barrie RESIGNED | Director | | 10 Mar 2026 | England | June 1938 | 1 The Willows, 83 Vincent Square, London, SW1P 2PF |
| REARDON, Paul Douglas RESIGNED | Director | | 27 Aug 1996 | | September 1950 | 5 The Willows 83 Vincent Square, London, SW1P 2PF |
| RICHES, Jodi RESIGNED | Director | 05 Aug 2002 | 11 Aug 2021 | United Kingdom | February 1978 | 5 The Willows, 83 Vincent Square, London, SW1P 2PF |
| RICHES, Penelope May RESIGNED | Director | 03 Jul 1998 | 05 Aug 2002 | | May 1950 | Flat 5, 83 Vincent Square, London, SW1P 2PF |
| RIGG, Jeremy Peter RESIGNED | Director | 27 Aug 1996 | 03 Jul 1998 | | November 1966 | Flat 5 83 Vincent Square, London, SW1P 2PF |
| WARE, Gwladus Mary RESIGNED | Director | 01 Oct 2011 | 13 Apr 2023 | England | September 1928 | 2 The Willows, 83 Vincent Square, London, SW1P 2PF, England |
| WARE, Ronald William RESIGNED | Director | | 28 Nov 2014 | United Kingdom | January 1924 | 2 The Willows 83 Vincent Square, London, SW1P 2PF |