| BROWN, James William ACTIVE | Secretary | 05 Mar 2025 | | | | 20, Triton Street, London, NW1 3BF |
| IWANAGA, Seiya ACTIVE | Director | 01 Jul 2021 | | United Kingdom | October 1970 | 20, Triton Street, London, NW1 3BF |
| MILLS, David ACTIVE | Director | 05 Mar 2025 | | England | July 1958 | 20, Triton Street, London, NW1 3BF |
| STUART, Timothy Ian ACTIVE | Director | 30 Apr 2018 | | United Kingdom | February 1975 | 20, Triton Street, London, NW1 3BF |
| DOWNING, Nicola Clare RESIGNED | Secretary | 31 Aug 2005 | 05 Mar 2025 | | | 20, Triton Street, London, NW1 3BF |
| HANSCOMB, Heledd Mair RESIGNED | Secretary | 23 May 1994 | 10 Apr 1995 | | | 4 Cambrian Close, West Norwood, London, SE27 0BS |
| HOLMES-JOHNSON, Peter Henry RESIGNED | Secretary | 14 Jan 2005 | 31 Aug 2005 | | | 98 The Heights, Foxgrove Road, Beckenham, Kent, BR3 5BZ |
| SOKEL, Jeremy Nigel RESIGNED | Secretary | | 23 May 1994 | | | Flat 4 22 Carlingford Road, London, NW3 1RX |
| NRG CORPORATE SERVICES LTD RESIGNED | Secretary | 10 Apr 1995 | 14 Jan 2005 | | | 66 Chiltern Street, London, W1U 4AG |
| COPSEY, Brian Mawson RESIGNED | Director | | 01 Mar 1993 | | January 1954 | 23/2 Rue Des Iris, Monaco, Mc98000 |
| DOWNING, Nicola Clare RESIGNED | Director | 30 Apr 2016 | 05 Mar 2025 | England | September 1974 | 20, Triton Street, London, NW1 3BF |
| FUJIMOTO, Kyoichiro RESIGNED | Director | 30 Apr 2018 | 30 Sep 2020 | England | January 1966 | 20, Triton Street, London, NW1 3BF |
| GESTETNER, David RESIGNED | Director | | 07 Sep 1993 | | June 1937 | Flat 20 Ellerton House, 11 Bryanston Square, London, W1H 7FF |
| HOLMES-JOHNSON, Peter Henry RESIGNED | Director | 01 Jun 1997 | 31 Aug 2005 | United Kingdom | August 1940 | 98 The Heights, Foxgrove Road, Beckenham, Kent, BR3 5BZ |
| KING, Stephen John RESIGNED | Director | 20 Sep 1993 | 25 Jan 2002 | United Kingdom | May 1949 | 1 Lancaster Mews, Richmond, Surrey, TW10 6RG |
| LEWIS, Richard Leslie Ernest RESIGNED | Director | | 31 Mar 1994 | England | June 1932 | 157 Park Avenue, Ruislip, Middlesex, HA4 7UN |
| MELGAARD, Ronald Gregory RESIGNED | Director | | 14 Sep 1995 | | April 1950 | 46 Chepstow Villas, London, W11 2QY |
| MILLS, David RESIGNED | Director | 01 Aug 2012 | 02 Oct 2023 | England | July 1958 | 20, Triton Street, London, NW1 3BF |
| OSAWA, Hiroshi RESIGNED | Director | 01 Apr 2014 | 30 Apr 2016 | United Kingdom | February 1964 | 20, Triton Street, London, NW1 3BF, United Kingdom |
| OYAMA, Akira RESIGNED | Director | 01 Apr 2011 | 01 Apr 2014 | Uk | January 1961 | 20, Triton Street, London, NW1 3BF |
| SAITO, Shuzo RESIGNED | Director | 11 May 2006 | 01 Aug 2012 | United Kingdom | August 1949 | 20, Triton Street, London, NW1 3BF |
| SASAKI, Shiro RESIGNED | Director | 03 Dec 2004 | 01 Apr 2011 | United Kingdom | December 1949 | 9 North Gate, Prince Albert Road, London, NW8 7RE |
| SCHMIDT, Alan Gerard RESIGNED | Director | 31 Jul 1998 | 30 Mar 2007 | United Kingdom | May 1957 | The Coach House, Tandridge Lane, Oxted, Surrey, RH8 9NN |
| SELLERS, Basil Alfred RESIGNED | Director | | 10 May 1993 | United Kingdom | June 1935 | Flat 11 Glendore House, 30 Clarges Street, London, W1J 7EG |
| SMITH, David Martin RESIGNED | Director | 12 Aug 1994 | 28 Feb 1995 | | January 1953 | 10 Colnemead, Uxbridge Road, Rickmansworth, Hertfordshire, WD3 2DX |
| SNOW, Sarah Elizabeth RESIGNED | Director | 24 Feb 1993 | 12 Aug 1994 | | December 1956 | 284 Earls Court Road, London, SW5 9AS |
| TOMINAGA, Koichiro RESIGNED | Director | 30 Apr 2016 | 30 Apr 2018 | England | December 1962 | 20, Triton Street, London, NW1 3BF |
| WINHAM, Ian Peter RESIGNED | Director | 29 Apr 2002 | 31 Mar 2018 | England | March 1959 | 20, Triton Street, London, NW1 3BF |
| WOODS, Andrew Clive RESIGNED | Director | 24 Oct 1994 | 01 Jun 1997 | | December 1947 | 57 Burnaby Gardens, Chiswick, London, W4 3DR |