| JONES, Christopher Kentaro ACTIVE | Secretary | 09 Jun 2025 | | | | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| JONES, Christopher Kentaro ACTIVE | Director | 09 Jun 2025 | | United Kingdom | March 1980 | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| SAKURAI, Koji ACTIVE | Director | 08 Jul 2020 | | Japan | January 1963 | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| SHIBUYA, Yutaro ACTIVE | Director | 02 Jan 2026 | | United Kingdom | June 1994 | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| FUKUSHIMA, Akihiko RESIGNED | Secretary | 02 Oct 2009 | 01 Jul 2010 | | | Kellogg Tower, Greenford Road, Greenford, Middlesex, UB6 0JA |
| FURUYA, Kunihiko RESIGNED | Secretary | | 26 Apr 2000 | | | 25-10 3 Chome, Miyazaki, Takatsu Ku, Kawasaki 213, FOREIGN, Japan |
| HORIE, Yoshobumi RESIGNED | Secretary | 26 Apr 2000 | 17 Jul 2001 | | | 21 Neville Court, Abbey Road St Johns Wood, London, NW8 9DD |
| KANNO, Daijiro RESIGNED | Secretary | 01 Jul 2015 | 01 Nov 2016 | | | 401 Marble Arch Tower, 55 Bryanston Street, London, W1H 7AA, Uk |
| KAWANA, Koichi RESIGNED | Secretary | 16 Jul 2001 | 01 Apr 2004 | | | 60 Perryn Road, London, W3 7LX |
| KURATA, Satoshi RESIGNED | Secretary | 13 Jan 2005 | 02 Oct 2009 | | | Sanctus Aobadai 509, 45-84 Enoki Ga-Oka, Aoba-Ku, Yokohama, 227-0063, Japan |
| MIYACHI, Tatsuhiro RESIGNED | Secretary | 30 Dec 2021 | 09 Jun 2025 | | | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| NINOMIYA, Akira RESIGNED | Secretary | 01 Jul 2010 | 01 Jul 2015 | | | 401, Marble Arch Tower, 55 Bryanston Street, London, W1H 7AA, United Kingdom |
| NITTA, Kotaro RESIGNED | Secretary | 01 Apr 2004 | 13 Jan 2005 | | | 79 Ullswater Crescent, Kingston Vale, London, SW15 3RE |
| SUZUKI, Hiroki RESIGNED | Secretary | 01 Nov 2016 | 01 Oct 2019 | | | 4th Floor, Hyde Park Hayes - Building 3, 11 Millington Road, Hayes, Middlesex, UB3 4AZ, England |
| YASUMATSU, Keita RESIGNED | Secretary | 01 Oct 2019 | 30 Dec 2021 | | | 105, Victoria Street, London, SW1E 6QT, England |
| AKABANE, Tsutomu RESIGNED | Director | 01 Jul 2015 | 01 Nov 2016 | Japan | March 1955 | 401 Marble Arch Tower, 55 Bryanston Street, London, W1H 7AA, Uk |
| ARAKI, Hisaaki RESIGNED | Director | 18 Jun 2002 | 13 Jan 2005 | | May 1949 | Nieuwe Parklaan 34, Den Haag, 2597 Ld, Netherlands |
| HORIE, Yoshobumi RESIGNED | Director | 21 Feb 1995 | 17 Jul 2001 | | January 1948 | 21 Neville Court, Abbey Road St Johns Wood, London, NW8 9DD |
| ISHIMOTO, Kosaku RESIGNED | Director | 21 Feb 1995 | 19 May 1998 | | September 1936 | Nieuwe Parklaan 34, The Hague, 2597 LD, The Netherlands |
| KAMIYAMA, Takashi RESIGNED | Director | | 21 Feb 1995 | | July 1937 | 80 Carlisle Mansions, London, SW1P 1HZ |
| KAN, Tomizo RESIGNED | Director | 19 May 1998 | 18 Jun 2002 | | August 1939 | Nieuwe Parklaan 34, The Hague, Netherlands, 2597 LD |
| KANNO, Daijiro RESIGNED | Director | 01 Jan 2012 | 01 Dec 2016 | United Kingdom | January 1969 | 4th Floor, Hyde Park Hayes - Building 3, 11 Millington Road, Hayes, Middlesex, UB3 4AZ, England |
| KAWANA, Koichi RESIGNED | Director | 16 Jul 2001 | 01 Apr 2004 | | April 1958 | 60 Perryn Road, London, W3 7LX |
| KUDO, Kozo RESIGNED | Director | | 21 Feb 1995 | | September 1934 | Nieuwe Parklaan 34, 2597ld The Hague, FOREIGN, The Netherlands |
| KURATA, Satoshi RESIGNED | Director | 13 Jan 2005 | 02 Oct 2009 | | August 1970 | Sanctus Aobadai 509, 45-84 Enoki Ga-Oka, Aoba-Ku, Yokohama, 227-0063, Japan |
| MIYACHI, Tatsuhiro RESIGNED | Director | 30 Dec 2021 | 09 Jun 2025 | Japan | August 1969 | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| MIYOSHI, Hiroyuki RESIGNED | Director | 01 Nov 2016 | 01 Jul 2017 | Japan | March 1959 | 4th Floor, Hyde Park Hayes - Building 3, 11 Millington Road, Hayes, Middlesex, UB3 4AZ, England |
| MUTO, Kazuyoshi RESIGNED | Director | 28 Apr 2016 | 08 Jul 2020 | Japan | December 1953 | 105, Victoria Street, London, SW1E 6QT, England |
| NINOMIYA, Akira RESIGNED | Director | 02 Oct 2009 | 01 Jul 2015 | United Kingdom | September 1957 | 401, Marble Arch Tower, 55 Bryanston Street, London, W1H 7AA, United Kingdom |
| NITTA, Kotaro RESIGNED | Director | 01 Apr 2004 | 02 Oct 2009 | | March 1957 | 70 Visage Apartments, Winchester Road, London, NW3 3NE |
| NOGUCHI, Naoki RESIGNED | Director | 14 Feb 2023 | 27 Jan 2026 | England | November 1991 | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |
| SHOGENJI, Taketoshi RESIGNED | Director | 02 Oct 2009 | 01 Jan 2012 | United Kingdom | November 1962 | 401, Marble Arch Tower, 55 Bryanston Street, London, W1H 7AA, United Kingdom |
| SUZUKI, Hiroki RESIGNED | Director | 01 Nov 2016 | 01 Oct 2019 | England | January 1974 | 4th Floor, Hyde Park Hayes - Building 3, 11 Millington Road, Hayes, Middlesex, UB3 4AZ, England |
| YASUMATSU, Keita RESIGNED | Director | 01 Oct 2019 | 17 Mar 2023 | England | December 1984 | Landmark - Park Street, 111 Park Street, London, Greater London, W1K 7JF, England |