| BROWN, Silas Augustine John, Mr. ACTIVE | Secretary | 10 Apr 2019 | | | | 3rd Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| BROWN, Silas Augustine John, Mr. ACTIVE | Director | 01 Apr 2022 | | England | September 1975 | 3rd Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| BYRNE, Paul Thomas ACTIVE | Director | 01 Apr 2022 | | England | September 1957 | 3rd Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| KAWAKAMI, Kohei, Mr. ACTIVE | Director | 01 Apr 2025 | | Germany | February 1983 | 3rd Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| MAEDA, Naoto, Mr. ACTIVE | Director | 01 Apr 2025 | | England | February 1978 | 3rd Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| YOSHIDA, Takanori ACTIVE | Director | 01 Apr 2021 | | England | October 1965 | 3rd Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| FUJIMORI, Masafumi RESIGNED | Secretary | 15 Mar 2001 | 02 Apr 2008 | | | 106 Lynton Road, West Acton, London, W3 9HH |
| NARASAKI, Ichiro RESIGNED | Secretary | 01 Feb 1995 | 15 Mar 2001 | | | 106 Lynton Road, London, W3 9HH |
| OGURA, Toshihiro RESIGNED | Secretary | | 31 Jan 1995 | | | 45 Lorian Close, London, N12 7DW |
| SMITH, Mark James, Mr. RESIGNED | Secretary | 14 Mar 2011 | 10 Apr 2019 | | | 7th, Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| TERADA, Hajime RESIGNED | Secretary | 02 Apr 2008 | 20 Jun 2008 | | | 21, Hervey Close, London, N3 2HG, United Kingdom |
| AKASHI, Shunji RESIGNED | Director | 03 Feb 2003 | 30 May 2006 | | June 1946 | 4 Oxheys, Norton Fields, Runcorn, Cheshire, WA7 6UB |
| AKITA, Koichiro, Mr. RESIGNED | Director | 30 Jul 2018 | 30 Sep 2022 | England | January 1968 | 7th, Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW |
| ANDO, Masaharu RESIGNED | Director | 24 Jan 2002 | 01 Jun 2007 | | June 1948 | Flat 3a Spencer Walk, Hampstead, London, NW3 1QZ |
| CHIZAKI, Yoshinori RESIGNED | Director | 01 Jan 1998 | 24 Jan 2002 | | September 1949 | 15 The Ridings, Acton, London, W5 3BT |
| CHIZAKI, Yoshinori RESIGNED | Director | 06 May 1995 | 29 Apr 1996 | | September 1949 | Via Enrico De Nicola, 20090 Cesano Boscone (Mi), Milan, Italy |
| IGARASHI, Nobuo RESIGNED | Director | 01 Nov 2009 | 31 Mar 2017 | England | March 1954 | 7th, Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| IGARASHI, Nobuo RESIGNED | Director | 06 May 1995 | 29 Apr 1996 | | March 1954 | 3 Av Des Diablots, 95320, St Leu La Foret, France |
| INOUE, Teruo RESIGNED | Director | | 01 Jan 1998 | | May 1944 | 10 Lammas Park Gardens, Ealing, London, W5 5HZ |
| KAMEYAMA, Hideo, Mr. RESIGNED | Director | 13 May 2013 | 18 Mar 2016 | England | November 1960 | 7th, Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW, England |
| KAWAGUCHI, Koichi, Mr. RESIGNED | Director | 01 Apr 2022 | 01 Apr 2025 | Germany | June 1966 | 7th, Floor, Longbow House, 14 - 20 Chiswell Street, London, EC1Y 4TW, England |
| MIYATAKE, Kanji RESIGNED | Director | 24 Jan 2002 | 03 Feb 2003 | | January 1948 | 81a Athenaeum Road, Whetstone, London, N20 9AL |
| NAGASAKI, Masatoshi RESIGNED | Director | | 01 Jul 1992 | | February 1941 | 30 Rue Claude Lorrain, 75015 Paris, FOREIGN, France |
| NAKAHARA, Hiroshi RESIGNED | Director | 01 Jul 1992 | 24 Jan 2002 | | November 1948 | Linnicher Strasse 5, D 40547 Dusseldorf, Germany |
| NAKAMURA, Yukiyo, Mr. RESIGNED | Director | 30 Sep 2022 | 01 Apr 2025 | England | June 1981 | 7th Floor, Longbow House, 14 - 20 Chiswell Street, London, EC1Y 4TW, England |
| NISHIO, Nobuyuki RESIGNED | Director | 15 May 1998 | 03 Mar 2003 | | April 1951 | Tucholsky Str. 72, Frankfurt 60598, Germany, FOREIGN |
| NISHIO, Nobuyuki RESIGNED | Director | 06 May 1995 | 29 Apr 1996 | | April 1951 | Tucholsky Str. 72, Frankfurt 60598, Germany, FOREIGN |
| NISHIZAKI, Seijiro RESIGNED | Director | 01 Jul 1992 | 31 Mar 2005 | | April 1931 | Tokiwa-Cho 6-71, Chigasaki-City, Kanagawa-Pref 253, Japan |
| NOMURA, Kiyomune RESIGNED | Director | 01 Jun 2007 | 01 Nov 2009 | | February 1954 | Flat 3 Rotherwick Court, Rotherwick Road Golders Green, London, NW11 7DE |
| OGURA, Toshihiro RESIGNED | Director | 06 May 1995 | 29 Apr 1996 | | July 1952 | Cranachstrasse 19, 40667, Meerbusch, Germany |
| OKAHATA, Yoshinori RESIGNED | Director | 18 Mar 2016 | 30 Jul 2018 | England | March 1970 | 7th, Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW |
| SATO, Masaharu RESIGNED | Director | 06 May 1995 | 10 Mar 1999 | | January 1952 | 7 Cowhey Close, Westminster Park, Chester, CH4 7QT |
| SUZUKI, Masaki RESIGNED | Director | 06 May 1995 | 31 May 2000 | | June 1947 | Avienda Diagonal 650, 8-2a 08021, Barcelona, Spain |
| SUZUKI, Shigeo RESIGNED | Director | | 01 Jul 1992 | | March 1937 | 29 Greenway, Totteridge, London, N20 8EH |
| TAIE, Kiyoshi RESIGNED | Director | | 31 Jul 1991 | | April 1937 | 40 Lodge Close, Edgware, Middlesex, HA8 7RL |
| TAKATA, Tetsuichi RESIGNED | Director | | 01 Jul 1992 | | March 1942 | Avda Diagonal, No -650 8a-2a, 08034 Barcelona, FOREIGN, Spain |
| TERADA, Hajime RESIGNED | Director | 02 Apr 2008 | 13 May 2013 | England | July 1969 | 21, Hervey Close, London, N3 2HG, United Kingdom |
| YAMAGAMI, Yoshinori RESIGNED | Director | | 15 May 1998 | | June 1948 | Bruggener Weg 30, 40547 Dusseldorf, Germany |
| YAMAMOTO, Toru RESIGNED | Director | 01 Apr 2017 | 01 Apr 2021 | England | October 1959 | 7th, Floor, Longbow House, 14-20 Chiswell Street, London, EC1Y 4TW |
| YOKOUCHI, Masaki RESIGNED | Director | | 06 May 1995 | | December 1941 | Residenza Larici A3, Via Guido Rossa No 7 App, 442 Buccinasco Milan, FOREIGN, Italy |
| YOSHIDA, Tadahiro RESIGNED | Director | | 01 Jul 1992 | | January 1947 | 1 Kandai Izumi-Cho, Chiyoda Ku Tokyo 101, FOREIGN, Japan |