| INOUE, Yuichiro ACTIVE | Director | 01 Apr 2026 | | United Kingdom | June 1977 | Fifth Floor, 1-3 Royal Exchange Buildings, London, EC3V 3LF |
| KACHI, Ryosuke ACTIVE | Director | 01 Apr 2024 | | United Kingdom | August 1980 | Fifth Floor, 1-3 Royal Exchange Buildings, London, EC3V 3LF |
| ONO, Masahiko ACTIVE | Director | 09 Aug 2024 | | Japan | February 1966 | Fifth Floor, 1-3 Royal Exchange Buildings, London, EC3V 3LF |
| AZUMA, Yoichi RESIGNED | Secretary | 02 Oct 1995 | 29 Mar 1996 | | | 541 Willoughby House, Barbican, London, EC2Y 8BN |
| HARADA, Toshiro RESIGNED | Secretary | 31 Mar 1994 | 28 Mar 1995 | | | 19 Singleton Scarp, London, N12 7AR |
| HOSONO, Yoshihide RESIGNED | Secretary | 01 Mar 2007 | 25 Mar 2010 | | | 5 Ambassador House, Carlton Hill, London, NW8 0NJ |
| INOUE, Yuichiro RESIGNED | Secretary | 01 Apr 2010 | 01 Apr 2011 | | | 62 Cornhill, London, EC3V 3NH |
| KACHI, Ryosuke RESIGNED | Secretary | 01 Apr 2015 | 01 Apr 2016 | | | 7th Floor, 62, Cornhill, London, EC3V 3NH, United Kingdom |
| MATSUBARA, Tsutomu RESIGNED | Secretary | 01 Apr 2002 | 01 Apr 2004 | | | 103 Noel Road, Acton, London, W3 0JG |
| MATSUURA, Tatsuya RESIGNED | Secretary | 01 Apr 2011 | 01 Apr 2015 | | | 62 Cornhill, London, EC3V 3NH |
| MIMA, Shinichi RESIGNED | Secretary | | 31 Mar 1994 | | | 107 Eton Hall, London, NW3 2DN |
| OKAMOTO, Hiroaki RESIGNED | Secretary | 29 Mar 1996 | 01 Apr 1998 | | | 77 Walmington Fold, London, N12 7LD |
| OMORI, Yoshihiro RESIGNED | Secretary | 01 Apr 2019 | 01 Apr 2023 | | | 62 Cornhill, London, EC3V 3NH |
| OSAWA, Yu RESIGNED | Secretary | 01 Apr 2016 | 01 Apr 2019 | | | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| SATO, Wataru RESIGNED | Secretary | 01 Apr 1998 | 01 Apr 1999 | | | 24 Byron Court, 50 Fairfax Road, London, NW6 4HB |
| SHIMAZAKI, Kazuhiko RESIGNED | Secretary | 01 Apr 1999 | 01 Apr 2002 | | | 18 Elgar House, Fairfax Road, London, NW6 4EX |
| YAGURA, Yoshiaki RESIGNED | Secretary | 28 Mar 1995 | 02 Oct 1995 | | | 7 Steynings Way, Finchley, London, N12 7LN |
| YAMAGUCHI, Takahiro RESIGNED | Secretary | 01 Apr 2023 | 31 Mar 2024 | | | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| YOSHIDA, Hiroyuki RESIGNED | Secretary | 01 Apr 2004 | 01 Mar 2007 | | | Flat 37 Cavendish House, 24-41 Wellington Road, London, NW8 9SQ |
| ARINAGA, Koji RESIGNED | Director | 01 Aug 2017 | 02 Aug 2018 | Japan | July 1959 | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| HARADA, Toshiro RESIGNED | Director | 28 Mar 1995 | 01 Apr 1998 | | September 1957 | 19 Singleton Scarp, London, N12 7AR |
| HIDAKA, Yashuiro RESIGNED | Director | 01 Apr 2009 | 01 Apr 2014 | United Kingdom | December 1972 | 62, Cornhill, London, EC3V 3NH |
| HIDAKA, Yasuhiro RESIGNED | Director | 01 Apr 2021 | 31 Mar 2026 | United Kingdom | December 1972 | Fifth Floor, 1-3 Royal Exchange Buildings, London, EC3V 3LF |
| HIROYA, Genyu RESIGNED | Director | 01 Aug 2011 | 08 Apr 2014 | Japan | April 1956 | 62, Cornhill, London, EC3V 3NH |
| ICHIKAWA, Hiroshi RESIGNED | Director | 22 Sep 2000 | 01 Apr 2004 | | March 1951 | 58 Bancroft Avenue, London, N2 0AS |
| IGARASHI, Yasuo RESIGNED | Director | | 01 Apr 1997 | | November 1948 | 92 Century Court, 2b Grove End Road, London, NW8 9LD |
| ISHIKAWA, Masashi RESIGNED | Director | 01 Apr 2018 | 01 Apr 2023 | United Kingdom | December 1975 | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| KARASAWA, Takashi RESIGNED | Director | 01 Apr 2013 | 01 Apr 2017 | United Kingdom | July 1965 | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| KURIMOTO, Kakuro RESIGNED | Director | 11 Aug 2005 | 28 Jul 2008 | | September 1944 | 5-19-4-401 Nishikebukuro, Toshima-Ku, Tokyo, FOREIGN, Japan |
| KUROSU, Nobuyoshi RESIGNED | Director | 26 Apr 2000 | 18 Sep 2002 | | December 1946 | 35-15 Toro Cho 1 Chome, Omiya Shi, Saitama, Japan |
| MATSUBARA, Tsutomu RESIGNED | Director | 01 Apr 2002 | 01 Mar 2007 | | May 1963 | 103 Noel Road, Acton, London, W3 0JG |
| MIMA, Shinichi RESIGNED | Director | 08 Apr 2014 | 01 Aug 2017 | Japan | October 1956 | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| MIURA, Tsukasa RESIGNED | Director | 01 Apr 2014 | 01 Apr 2018 | United Kingdom | June 1971 | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| NAGASHIMA, Yoshifumi RESIGNED | Director | 02 Aug 2018 | 09 Aug 2024 | Japan | January 1962 | 62 Cornhill, London, EC3V 3NH, United Kingdom |
| NEBASHI, Hideyuki RESIGNED | Director | 01 Apr 1997 | 22 Sep 2000 | | July 1952 | 27 Pyecombe Corner, London, N12 7AJ |
| OE, Takao RESIGNED | Director | 01 Apr 2017 | 01 Apr 2021 | United Kingdom | June 1969 | 62, Cornhill, London, EC3V 3NH, United Kingdom |
| OKAMOTO, Hiroaki RESIGNED | Director | 01 Apr 1998 | 24 Mar 2001 | | January 1963 | 66 Northiam, London, N12 7HJ |
| OMORI, Yoshihiro RESIGNED | Director | 01 Apr 2023 | 31 Mar 2024 | United Kingdom | April 1982 | 62 Cornhill, London, EC3V 3NH |
| OZEKI, Kazuhiko RESIGNED | Director | 01 Apr 2004 | 01 Apr 2009 | | January 1963 | Flat Po3 4th Floor Waterdale Manor, House 20 Harewood Avenue, London, NW1 6JX |
| SAKAI, Kiyoshi RESIGNED | Director | | 20 Sep 1996 | | April 1932 | 12-8 Nishishiha 3-Chome, Kamazawa-Ku, Yokohama-Shi, Kanagawo-Ken, FOREIGN, Japan |
| SATO, Keiji RESIGNED | Director | 01 Mar 2007 | 01 Apr 2013 | United Kingdom | February 1967 | Flat P03, 4th Floor Waterdale Manor House, 20 Harewood Avenue, London, NW1 6JX |
| SHIMAZAKI, Kazuhiko RESIGNED | Director | 24 Mar 2001 | 01 Apr 2002 | | September 1964 | 18 Elgar House, Fairfax Road, London, NW6 4EX |
| SHIROYA, Yoshiharu RESIGNED | Director | 20 Sep 1996 | 26 Apr 2000 | | August 1942 | 35-16 Toro-Cho 1-Chome, Omiya-Shi Saitama, Japan, FOREIGN |
| SHOZUI, Tamotsu RESIGNED | Director | 28 Jul 2008 | 01 Aug 2011 | Japan | June 1950 | 1097-17, Oaza Shiraoka,, Shiraoka-Machi, Minamisaitama-Gun, Saitama Prefecture, Japan |
| SUGINAKA, Hirobumi RESIGNED | Director | | 28 Mar 1995 | | April 1952 | 31 Chiddingfold, Woodside Park, London, N12 7EX |
| YOKOI, Yoshinori RESIGNED | Director | 18 Sep 2002 | 11 Aug 2005 | | July 1947 | 2-20-12-501 Senjuhigashi, Adachi-Ku, Tokyo, FOREIGN, Japan |