| BUZZARD, Kate Elizabeth ACTIVE | Director | 09 Feb 2017 | | United Kingdom | December 1980 | Flat H, 66, Eccleston Square, London, SW1V 1PJ, England |
| HEATH, Nicholas Charles Joseph ACTIVE | Director | 01 Sep 2026 | | Australia | January 1971 | The White House, 140a Tachbrook Street, London, SW1V 2NE |
| BLOIS, Elizabeth Frances Moyra RESIGNED | Secretary | 16 Apr 1991 | 30 Apr 1995 | | | 66 Eccleston Square, London, SW1V 1PJ |
| COWPER, Ethel Margaret RESIGNED | Secretary | 30 Apr 1995 | 24 Apr 1998 | | | Flat J, 66 Eccleston Square, London, SW1V 1PJ |
| LOWRY, Arthur Colin Gillies RESIGNED | Secretary | 23 Apr 1999 | 20 Apr 2000 | | | Flat G 66 Eccleston Square, London, SW1V 1PJ |
| LUCAS, Philip George Ralph RESIGNED | Secretary | 26 Apr 2000 | 22 Apr 2002 | | | 66a Eccleston Square, London, SW1V 1PJ |
| ROBSON, Jill RESIGNED | Secretary | 24 Jan 2006 | 28 Jun 2011 | | | 49 Caberfiegh Close, Redhill, Surrey, RH1 6BF |
| WHEILDON BROWN, Timothy RESIGNED | Secretary | 06 Oct 2002 | 30 Jun 2005 | | | Flat B 66 Eccleston Square, London, SW1V 1PJ |
| AINGE, Susan Elizabeth RESIGNED | Director | 30 May 1995 | 30 Apr 1996 | | December 1955 | 66m Eccleston Square, London, SW1V 1PJ |
| BARTRAM, Paul James RESIGNED | Director | 25 Oct 2004 | 30 Jan 2017 | England | April 1978 | Flat E 66 Eccleston Square, London, SW1V 1PJ |
| COWPER, Ethel Margaret RESIGNED | Director | 07 Mar 2004 | 04 Oct 2004 | | November 1927 | Flat J, 66 Eccleston Square, London, SW1V 1PJ |
| COWPER, Ethel Margaret RESIGNED | Director | 26 Apr 2000 | 16 Aug 2001 | | November 1927 | Flat J, 66 Eccleston Square, London, SW1V 1PJ |
| COWPER, Ethel Margaret RESIGNED | Director | 01 Aug 1993 | 24 Apr 1998 | | November 1927 | Flat J, 66 Eccleston Square, London, SW1V 1PJ |
| COWPER, Michael Roy RESIGNED | Director | 16 Apr 1991 | 31 Jul 1993 | | October 1916 | 66 Eccleston Square, London, SW1V 1PJ |
| HOWARD, Elaine Ann RESIGNED | Director | 17 Jun 2008 | 16 Sep 2019 | England | April 1946 | Flat G, 65-66 Eccleston Square, London, SW1V 1PJ |
| LOWRY, Arthur Colin Gillies RESIGNED | Director | 16 Apr 1991 | 07 Mar 2004 | | May 1937 | Flat G 66 Eccleston Square, London, SW1V 1PJ |
| TOPTSIKIOTIS, Miltiadis RESIGNED | Director | 15 Apr 1999 | 30 Nov 1999 | | February 1958 | Flat K 66eccleston Square, London, SW1V 1PJ |
| WHEILDON-BROWN, Timothy RESIGNED | Director | 26 Apr 2000 | 31 Dec 2004 | | June 1925 | 66b Eccleston Square, London, SW1V 1PJ |
| WILLIAMS, William Hywell RESIGNED | Director | 15 Apr 1999 | 30 Nov 1999 | | June 1954 | 66c Eccleston Square, London, SW1V 1PJ |