| COOPER, Juan Miguel ACTIVE | Director | 20 Aug 2016 | | England | September 1983 | 11, Balfour Place, London, SW15 6XR, England |
| FAVERO, Flavio Ricardo ACTIVE | Director | 02 Jan 2025 | | England | October 1977 | 1, Balfour Place, London, SW15 6XR, England |
| BOXALL, Ronald William RESIGNED | Secretary | | 10 Mar 1996 | | | 9 Balfour Place, Putney, London, SW15 6XR |
| HONDA, Kazuko RESIGNED | Secretary | 28 Nov 2012 | 23 Jul 2016 | | | 4, Balfour Place, London, SW15 6XR, England |
| NEILL, Nigel Harvey RESIGNED | Secretary | 23 Mar 1996 | 29 Oct 2009 | | | 11 Balfour Place, Putney, London, SW15 6XR |
| AVEY, Richard James RESIGNED | Director | 12 Jan 1992 | 13 Jan 1994 | | June 1954 | 13 Balfour Place, London, SW15 6XR |
| BIDWELL, Marie Audrey Stephanie RESIGNED | Director | 09 Jun 2017 | 02 Jan 2025 | United Kingdom | March 1943 | 14, Balfour Place, London, SW15 6XR, England |
| BIDWELL, Marie Audrey Stephanie RESIGNED | Director | 30 Sep 2004 | 28 Nov 2012 | United Kingdom | March 1943 | 14 Balfour Place, London, SW15 6XR |
| BOXALL, Jasmine RESIGNED | Director | 15 Mar 2011 | 28 Nov 2012 | United Kingdom | August 1946 | 14, Balfour Place, London, SW15 6XR, United Kingdom |
| BOXALL, Jasmine RESIGNED | Director | 30 Sep 2004 | 04 Jun 2008 | United Kingdom | August 1946 | 9 Balfour Place, London, SW15 6XR |
| BRICE, Toby Mark RESIGNED | Director | 28 Nov 2012 | 11 Aug 2015 | United Kingdom | February 1965 | 4, Balfour Place, London, SW15 6XR, United Kingdom |
| CHANNON, Debra RESIGNED | Director | 28 Nov 2012 | 14 Sep 2016 | England | November 1965 | 12, Balfour Place, Balfour Place, London, London, SW15 6XR, England |
| CHANNON, Debra RESIGNED | Director | 04 Jun 2008 | 29 Oct 2008 | England | November 1965 | 12 Balfour Place, London, SW15 6XR |
| CHANOCH, Ilona Melanie RESIGNED | Director | 20 Aug 2009 | 15 Mar 2011 | United Kingdom | August 1949 | 7 Balfour Place, Putney, London, SW15 6XR |
| DAVIES, William RESIGNED | Director | 04 Jun 2008 | 20 Aug 2009 | | November 1974 | 5, Balfour Place, London, SW15 6XR, Uk |
| DUERDEN, Simon Frederick Garret RESIGNED | Director | 13 Jan 1993 | 30 Sep 2004 | | October 1962 | 6 Balfour Place, London, SW15 6XR |
| FISHER, Paul Simon RESIGNED | Director | 22 Mar 1996 | 26 Mar 2000 | | July 1959 | 5 Balfour Place, Putney, London, SW15 6XR |
| FISHER, Paul Simon RESIGNED | Director | | 13 Jan 1994 | | July 1959 | 5 Balfour Place, Putney, London, SW15 6XR |
| HARVEY, Barbara Annette RESIGNED | Director | 20 Aug 2016 | 03 Apr 2020 | England | March 1953 | 14, Balfour Place, London, SW15 6XR, England |
| HAYLER, Derek William RESIGNED | Director | 14 Nov 2015 | 03 Oct 2016 | England | November 1943 | 11, Balfour Place, London, SW15 6XR, England |
| LANYON, Mark Philip RESIGNED | Director | 01 Apr 2000 | 01 Aug 2002 | | June 1953 | 14 Balfour Place, London, SW15 6XR |
| NEILL, Nigel Harvey RESIGNED | Director | | 04 Jun 2008 | | March 1944 | 11 Balfour Place, Putney, London, SW15 6XR |
| SUTCLIFFE, Amanda Mary RESIGNED | Director | 28 Nov 2012 | 13 Nov 2015 | England | May 1944 | 4, Balfour Place, London, SW15 6XR, England |
| TRAILL, Barbara Ann RESIGNED | Director | 28 Nov 2012 | 17 Sep 2016 | Great Britain | December 1945 | 6, Balfour Place, Putney, London, SW15 6XR, Gb-Gbr |
| WALLACE, Yoland RESIGNED | Director | 22 Jan 2019 | 14 Jan 2020 | United Kingdom | May 1952 | 7, Balfour Place, London, SW15 6XR, United Kingdom |
| WATSON, Michael RESIGNED | Director | 01 Aug 2002 | 30 Sep 2004 | | February 1948 | 5 Balfour Place, London, SW15 6XR |