| IWANAGA, Seiya ACTIVE | Director | 01 Jul 2021 | | United Kingdom | October 1970 | 20, Triton Street, London, NW1 3BF |
| STUART, Timothy Ian ACTIVE | Director | 03 Jul 2019 | | 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 |
| HOLMES-JOHNSON, Peter Henry RESIGNED | Secretary | 14 Jan 2005 | 31 Aug 2005 | | | 98 The Heights, Foxgrove Road, Beckenham, Kent, BR3 5BZ |
| NRG CORPORATE SERVICES LTD RESIGNED | Secretary | 20 Nov 2000 | 14 Jan 2005 | | | 66 Chiltern Street, London, W1U 4AG |
| DOWNING, Nicola Clare RESIGNED | Director | 30 Apr 2016 | 05 Mar 2025 | England | September 1974 | 20, Triton Street, London, NW1 3BF |
| FRANKEN, Thomas Wilhemus Gerardus RESIGNED | Director | 01 Oct 2006 | 30 Sep 2008 | | December 1948 | Turfschip 129, Amstelveen, The Netherlands |
| FUJIMOTO, Kyoichiro RESIGNED | Director | 30 Apr 2018 | 30 Sep 2020 | England | January 1966 | 20, Triton Street, London, NW1 3BF |
| HOLMES-JOHNSON, Peter Henry RESIGNED | Director | 20 Nov 2000 | 20 Aug 2003 | United Kingdom | August 1940 | 98 The Heights, Foxgrove Road, Beckenham, Kent, BR3 5BZ |
| KING, Stephen John RESIGNED | Director | 20 Nov 2000 | 25 Jan 2002 | United Kingdom | May 1949 | 1 Lancaster Mews, Richmond, Surrey, TW10 6RG |
| MILLS, David RESIGNED | Director | 01 Apr 2014 | 02 Oct 2023 | England | July 1958 | 20, Triton Street, London, NW1 3BF |
| OSAWA, Hiroshi RESIGNED | Director | 19 Jul 2013 | 30 Apr 2016 | United Kingdom | February 1964 | 20, Triton Street, London, NW1 3BF, United Kingdom |
| OYAMA, Akira RESIGNED | Director | 01 Aug 2012 | 01 Apr 2014 | United Kingdom | January 1961 | 20, Triton Street, London, NW1 3BF, United Kingdom |
| POTTER, James Howard RESIGNED | Director | 20 Aug 2003 | 09 Dec 2010 | | May 1950 | Autumn Lodge, Springfield Road, Camberley, Surrey, GU15 1AB |
| SAITO, Shuzo RESIGNED | Director | 01 Apr 2011 | 01 Aug 2012 | United Kingdom | August 1949 | 43 Annes Court 3, Palgrave Gardens, London, NW1 6EN, United Kingdom |
| SAKAI, Haruhisa RESIGNED | Director | 01 Oct 2006 | 19 Jul 2013 | United Kingdom | July 1955 | 20, Triton Street, London, NW1 3BF |
| SASAKI, Shiro RESIGNED | Director | 01 Oct 2006 | 01 Apr 2011 | United Kingdom | December 1949 | 9 North Gate, Prince Albert Road, London, NW8 7RE |
| SCHMIDT, Alan Gerard RESIGNED | Director | 20 Nov 2000 | 20 Aug 2003 | United Kingdom | May 1957 | The Coach House, Tandridge Lane, Oxted, Surrey, RH8 9NN |
| 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 | 30 Apr 2016 | England | March 1959 | 20, Triton Street, London, NW1 3BF |