| GUEST, Robert Austin ACTIVE | Secretary | 20 Mar 2017 | | | | 155, Sheen Road, Richmond, Surrey, TW9 1YS, England |
| BINIONS, Kate Helen ACTIVE | Director | 28 Nov 2012 | | England | May 1969 | 2a, St George's Square, Pimlico, London, SW1V 2HP, United Kingdom |
| MCINERNY, Anthony Nigel ACTIVE | Director | 17 Jan 2024 | | England | May 1961 | 155, Sheen Road, Richmond, Surrey, TW9 1YS, England |
| MONAGHAN, Liam ACTIVE | Director | 17 Jan 2024 | | England | May 1988 | 155, Sheen Road, Richmond, Surrey, TW9 1YS, England |
| TRIVI, Daniele Carlo ACTIVE | Director | 29 Jan 2024 | | Italy | March 1955 | 38 Craven Street, Craven Street, London, WC2N 5NG, England |
| BURKE, David Paul RESIGNED | Secretary | 10 Aug 2002 | 14 Dec 2006 | | | Allens Farm Meres Lane, Five Ashes, Mayfield, East Sussex, TN20 6JT |
| BURKE, David Paul RESIGNED | Secretary | 31 Jul 1997 | 05 Mar 1998 | | | Allens Farm Meres Lane, Five Ashes, Mayfield, East Sussex, TN20 6JT |
| BURKE, David Paul RESIGNED | Secretary | 28 Feb 1994 | 31 Jul 1994 | | | Flat A 2 St Georges Square, Pimlico, London, SW1V 2HP |
| DACRE LACY, Kiloran Frances RESIGNED | Secretary | 05 Mar 1998 | 10 Aug 2002 | | | 42 Trinity Church Square, London, SE1 4HY |
| FISHMICK, Doreen Evelyn RESIGNED | Secretary | | 28 Feb 1994 | | | 21 Lewin Road, East Sheen, London, SW14 8DR |
| SAMUELS, Jacqueline RESIGNED | Secretary | 01 Aug 1994 | 31 Jul 1997 | | | 74 Wheatley Close, London, NW4 4LF |
| ARMITT, Nigel John RESIGNED | Director | 12 Nov 2010 | 27 Jun 2012 | United Kingdom | February 1951 | 2a, St George's Square, Pimlico, London, Surrey, SW1V 2HP, United Kingdom |
| BURKE, David Paul RESIGNED | Director | | 14 Dec 2006 | | October 1955 | Allens Farm Meres Lane, Five Ashes, Mayfield, East Sussex, TN20 6JT |
| CRAIG, James, Sir RESIGNED | Director | | 04 Jul 2007 | | July 1924 | Flat C 2 St Georges Square, Pimlico, London, SW1V 2HP |
| HARRIS, Richard RESIGNED | Director | | 03 May 1995 | | September 1968 | Flat D, 257 Georges Square Pimlico, London, SW1V 2HP |
| HEWITT, William James Douglas RESIGNED | Director | 20 Nov 1997 | 28 Mar 2002 | | October 1971 | Flat D 2 St Georges Square, London, SW1V 2HP |
| HO, Margarita Shuk Ching RESIGNED | Director | 30 Jan 2015 | 17 Jan 2024 | Hong Kong | May 1965 | 155, Sheen Road, Richmond, Surrey, TW9 1YS, England |
| KUNHEIM, Matthias RESIGNED | Director | 17 Jul 1992 | 10 Dec 1993 | | October 1939 | 66 Alderny Street, London, SW1V 4EX |
| LAURANCE, David Kenneth RESIGNED | Director | 04 Jul 2007 | 30 Jan 2015 | England | March 1947 | 34 Cadogan Lane, London, SW1X 9DX |
| MCINERNY, Helen Clare RESIGNED | Director | 10 Dec 1993 | 17 Jan 2024 | England | August 1962 | Tracery, 44 Camden Park Road, Chislehurst, Kent, BR7 5HF |
| MURRAY, Peter Russell, Dr. RESIGNED | Director | 01 Oct 2002 | 09 Jul 2010 | England | June 1952 | 43 Westminster Gardens, Marsham Street, Westminster, London, SW1P 4JG |
| RUBEY, Teresa Bernadette RESIGNED | Director | 03 Nov 1995 | 21 Oct 1997 | | July 1962 | Flat D 2 St Georges Square, London, SW1V 2HP |
| SAUTON, Sylvie RESIGNED | Director | | 17 Jul 1992 | | October 1959 | Flat East 2 St Georges Square, Pimlico, London, SW1V 2HP |
| TRIVI, Daniele Carlo RESIGNED | Director | 12 Nov 2010 | 22 Feb 2017 | Italy | March 1955 | 10, Via Adige, Milan, 20135, Italy |
| TRIVI, Giacomo RESIGNED | Director | 22 Feb 2017 | 29 Jan 2024 | England | March 1992 | 155, Sheen Road, Richmond, Surrey, TW9 1YS, England |