| TAKADA, Takeaki ACTIVE | Secretary | 01 Sep 2025 | | | | 6th Floor, 5 St Helen's Place, London, EC3A 6AB, United Kingdom |
| SATO, Shinichi ACTIVE | Director | 23 Sep 2021 | | Japan | November 1968 | 1-14-5, Kaigan, Minatoku, Tokyo, Japan |
| TAKADA, Takeaki ACTIVE | Director | 01 Sep 2025 | | United Kingdom | November 1969 | 6th Floor, 5 St Helen's Place, London, EC3A 6AB, United Kingdom |
| EMA, Yasuo RESIGNED | Secretary | 01 Apr 2004 | 21 Apr 2009 | | | Chelsea Cloisters, Sloane Avenue, London, SW3 3DW |
| ENOMOTO, Nobuyuki RESIGNED | Secretary | 15 Mar 1991 | 01 Aug 1992 | | | 12 Brampton Grove, Wembley, Middlesex, HA9 9QU |
| IMAMURA, Keigo RESIGNED | Secretary | 27 Oct 1995 | 26 Jul 1999 | | | 12 West Close, Wembley, Middlesex, HA9 9PJ |
| IMAOKA, Hidenori RESIGNED | Secretary | 01 Oct 2020 | 01 Sep 2025 | | | New Broad Street House, 35 New Broad Street, London, EC2M 1NH, United Kingdom |
| ISHIZAKI, Hisashi RESIGNED | Secretary | 01 Aug 1992 | 27 Oct 1995 | | | 58 Basing Hill, Wembley, Middlesex, HA9 9QP |
| KAWAI, Masami RESIGNED | Secretary | 10 Apr 2012 | 01 Apr 2015 | | | 4th Floor, 3 St Helens Place, London, EC3A 6AB |
| KISHI, Yasuhiro RESIGNED | Secretary | 26 Jul 1999 | 26 Jul 2002 | | | 34 Lords View, Saint Johns Wood Road, London, NW8 7HL |
| SAKAI, Katsuhiko RESIGNED | Secretary | 17 Feb 2003 | 01 Apr 2004 | | | Flat 55 Northways, College Crescent, London, NW3 5DP |
| SHIMIZU, Hodaka RESIGNED | Secretary | 01 Apr 2015 | 30 Sep 2020 | | | New Broad Street House, 35 New Broad Street, London, EC2M 1NH, United Kingdom |
| TANIZAWA, Atsushi RESIGNED | Secretary | 21 Apr 2009 | 10 Apr 2012 | | | Walnut Court, St. Marys Gate, London, W8 5UB |
| AKIYAMA, Yukinobu RESIGNED | Director | 29 Sep 1995 | 27 Jun 1997 | | October 1949 | 5 Apsley House 23/29 Finchley Road, London, NW8 0NU |
| ANDO, Kensuke RESIGNED | Director | 16 Mar 1993 | 15 May 1997 | | December 1942 | Flat 2 Hampstead Hill Mansions, Downshire Hill, London, NW3 1NY |
| EMA, Yasuo RESIGNED | Director | 02 Apr 2002 | 21 Apr 2009 | | August 1949 | Chelsea Cloisters, Sloane Avenue, London, SW3 3DW |
| FUJITA, Minoru RESIGNED | Director | 08 Apr 1991 | 15 Aug 1994 | | March 1934 | 48 Beverly House, 133park Road, London, NW8 7JD |
| FUJITA, Minoru RESIGNED | Director | 08 Apr 1991 | 01 Jun 1992 | | March 1934 | 48 Beverly House, 133park Road, London, NW8 7JD |
| IKUZAWA, Fumio RESIGNED | Director | 01 Jul 1997 | 14 Jul 2000 | | July 1948 | 26 Sheringham, Saint Johns Wood Park, London, NW8 6QY |
| IMAOKA, Hidenori RESIGNED | Director | 01 Sep 2020 | 01 Sep 2025 | England | August 1963 | New Broad Street House, 35 New Broad Street, London, EC2M 1NH, United Kingdom |
| KAMBAYASHI, Nobumitsu, Mr. RESIGNED | Director | 01 Apr 2008 | 07 Apr 2010 | Japan | May 1948 | 1-35-21 Kaminagaya,, Konan-Ku,, Yokohama, Kanagawa 233-0012, Japan |
| KAWAI, Masami RESIGNED | Director | 10 Apr 2012 | 01 Apr 2015 | United Kingdom | November 1957 | 4th Floor, 3 St Helens Place, London, EC3A 6AB |
| KAWASHIMA, Kazuo RESIGNED | Director | 15 Mar 1991 | 16 Mar 1993 | | February 1933 | Flat 2, Hampstead Hill Mansions, Downshire Hill, London, NW3 |
| KONDO, Suematsu RESIGNED | Director | 15 Aug 1994 | 15 Jun 2001 | | January 1937 | 17 The Porticos, 53/59 Belsize Avenue, London, NW3 4BN |
| NAGANUMA, Genta RESIGNED | Director | 28 Mar 2003 | 01 Apr 2004 | | September 1944 | 3-40-13 Nishihara, Shibuya-Ku, 151-0066 Tokyo, FOREIGN, Japan |
| NAKABAYASHI, Shiro RESIGNED | Director | 07 Apr 2010 | 10 Apr 2012 | Japan | January 1953 | World Trade Center Bldg, 4-1, Hamamatsu-Cho 2-Chome, Minato-Ku, Tokyo, Tokyo, 105-6116, Japan |
| NEKOSHIMA, Akio RESIGNED | Director | 02 Apr 2013 | 08 Jul 2013 | Japan | September 1958 | 1-14-5, Kaigan, Minato-Ku, Tokyo, 105-8315, Japan |
| NODA, Makoto RESIGNED | Director | 01 Mar 2017 | 02 Jan 2018 | Japan | November 1960 | 1-14-5 Kaigan, Minato-Ku, Tokyo, Japan |
| OKUBO, Shoichi RESIGNED | Director | 15 Jun 2001 | 02 Apr 2002 | | February 1947 | 2-7-1 Nishi Azabu, Minato Ku, Tokyo, 106-0031, FOREIGN, Japan |
| SHIMIZU, Hodaka RESIGNED | Director | 01 Apr 2015 | 30 Sep 2020 | England | September 1957 | New Broad Street House, 35 New Broad Street, London, EC2M 1NH, United Kingdom |
| SHISHIDO, Kazuro RESIGNED | Director | 08 Jul 2013 | 01 Apr 2014 | Japan | April 1954 | 1-14-5, Kaigan, Minato-Ku,, Tokyo, Japan |
| SUGIURA, Hiroyuki RESIGNED | Director | 01 Apr 2014 | 01 Mar 2017 | Japan | May 1963 | 1-14-5 Kaigan, Minato-Ku, Tokyo, Japan |
| TAKAO, Takahashi RESIGNED | Director | 16 Apr 1992 | 30 Jun 1995 | | July 1948 | 13 Gordon Road, London, N3 1EL |
| TANIZAWA, Atsushi RESIGNED | Director | 21 Apr 2009 | 02 Apr 2013 | Japan | March 1952 | 1-14-5, Kaigan,, Minato-Ku, Tokyo, Japan |
| YAMAGUCHI, Tomoyoshi RESIGNED | Director | 02 Jan 2018 | 23 Sep 2021 | Japan | March 1969 | 1-14-5, Kaigan, Minatoku, Tokyo, Japan |
| YAMANAKA, Atsuhiko RESIGNED | Director | 14 Jul 2000 | 28 Mar 2003 | | November 1951 | 10 Nottingham Terrace, London, NW1 4QB |
| YAMASHITA, Seiji RESIGNED | Director | 01 Apr 2004 | 01 Apr 2008 | | April 1950 | 1-13-7 Wakaba-Dai, Kita-Ku, Kobe Hyogo 651-1143, FOREIGN, Japan |