| HIRAGA, Takumi ACTIVE | Secretary | 01 Sep 2025 | | | | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| HIRAGA, Takumi ACTIVE | Director | 01 Sep 2025 | | United Kingdom | December 1964 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| NISHIKAWA, Atsushi ACTIVE | Director | 01 Sep 2024 | | England | January 1976 | Framewood Road, Wexham, Bucks, SL2 4QS, United Kingdom |
| OKABE, Yukinori ACTIVE | Director | 01 Apr 2025 | | United Kingdom | June 1967 | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| OKINAGA, Hiroko ACTIVE | Director | 28 Apr 2007 | | Japan | May 1974 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| OKINAGA, Yoshihito ACTIVE | Director | 05 May 2001 | | Japan | April 1973 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| HIRAYAMA, Yoichiro RESIGNED | Secretary | 01 Nov 2024 | 31 Aug 2025 | | | Framewood Road, Wexham, Bucks, SL2 4QS, United Kingdom |
| HORIKAWA, Kenji RESIGNED | Secretary | 01 Apr 2018 | 18 Sep 2020 | | | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| INAYAMA, Yoshio RESIGNED | Secretary | 24 Jul 2007 | 31 Mar 2010 | | | Teikyo Foundation (Uk), Framewood Road, Wexham, Bucks, SL2 4QS |
| KONO, Yuichi RESIGNED | Secretary | 14 Sep 2020 | 31 Oct 2024 | | | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| MURAI, Junichi RESIGNED | Secretary | 01 Apr 2010 | 31 Mar 2018 | | | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| THOMAS, John Frederick RESIGNED | Secretary | | 03 Jul 2007 | | | 3 Nightingale Park, Farnham Common, Buckinghamshire, SL2 3SN |
| AOKI, Makoto RESIGNED | Director | 04 May 1996 | 22 Jun 1998 | | March 1948 | Flat 2 59 Ennismore Gardens, London, SW7 1AJ |
| ASADA, Yasuo RESIGNED | Director | 31 Mar 2011 | 27 Oct 2014 | United Kingdom | October 1963 | Flat 17, Alexandra Court, 5 Moscow Road, London, W2 4AF, United Kingdom |
| EMORI, Susumu RESIGNED | Director | 07 Jun 1993 | 17 Jul 1994 | | February 1949 | 68 Belgravia Court, 33 Ebury Street, London, SW1W 0NY |
| HIRAYAMA, Yoichiro RESIGNED | Director | 01 Nov 2024 | 31 Aug 2025 | Japan | December 1964 | Framewood Road, Wexham, Bucks, SL2 4QS, United Kingdom |
| HIRONO, Yuzo RESIGNED | Director | 28 Apr 2007 | 31 Mar 2008 | | December 1944 | Flat 7 West Court, Elvet Hill Road, Durham, County Durham, DH1 3LP |
| HORIKAWA, Kenji RESIGNED | Director | 01 Apr 2018 | 18 Sep 2020 | United Kingdom | August 1953 | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| IMAI, Akimasa RESIGNED | Director | 03 May 2002 | 31 Mar 2005 | | October 1940 | Flat 7 West Court, Elvet Hill Road, Durham City, Durham, DH1 3LP |
| IMASEKI, Masao RESIGNED | Director | 01 Sep 2014 | 31 Mar 2020 | United Kingdom | July 1953 | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| INAYAMA, Yoshio RESIGNED | Director | 01 May 2006 | 31 Mar 2010 | United Kingdom | November 1949 | Teikyo Foundation (Uk), Framewood Road, Wexham, Bucks, SL2 4QS |
| ISIHARA, Atsushi RESIGNED | Director | 01 Apr 2022 | 01 Apr 2024 | United Kingdom | July 1971 | Teikyo School Uk, Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| IWANA, Takao RESIGNED | Director | 30 Apr 2005 | 31 Mar 2007 | | April 1947 | Flat 7 West Court, Elvet Hill Road, Durham City, County Durham, DH1 3LP |
| KONDO, Akira RESIGNED | Director | 17 Jul 1994 | 02 May 1996 | | August 1949 | 68 Belgravia Court, 33 Ebury Street, London, SW1W 0NY |
| KONO, Yuichi RESIGNED | Director | 14 Sep 2020 | 31 Oct 2024 | United Kingdom | January 1965 | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| KOSUGE, Eishu RESIGNED | Director | 01 Apr 2022 | 31 Mar 2025 | United Kingdom | February 1958 | Lafacdio Hearn Cultural Centre, Mill Lane, Durham, DH1 3YB, United Kingdom |
| MASUBUCHI, Fuminori RESIGNED | Director | 13 Apr 2012 | 01 Sep 2014 | England | November 1948 | Teikyo Services Limited, Framewood Road, Wexham, Buckinghamshire, SL2 4QS |
| MOGI, Yoshisabuco RESIGNED | Director | | 06 Jun 1993 | | September 1950 | 18 Heath Drive, London, NW3 7SL |
| MOGI, Yoshisaburo RESIGNED | Director | 22 Jun 1998 | 31 May 2002 | | September 1950 | Flat 20 Walsingham Queens Mead Est, St Johns Wood Park, London, Nw8 6re, NW8 6RE |
| MURAI, Junichi RESIGNED | Director | 01 Apr 2010 | 31 Mar 2018 | United Kingdom | September 1948 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| MURAMATSU, Naoki RESIGNED | Director | 01 Apr 2007 | 25 Jan 2010 | | May 1960 | 3 Vale Lane, London, W3 0DY |
| MUTOH, Mitsuhiro RESIGNED | Director | 25 Apr 1997 | 30 Apr 2002 | | April 1938 | Lafcadio Hearn Cultural Centre, Mill Hill Lane, Durham, DH1 3YB |
| NAKAJIMA, Kazushige RESIGNED | Director | 01 Jun 2019 | 01 Apr 2022 | United Kingdom | December 1969 | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| NAKAMURA, Kenichi RESIGNED | Director | 31 Mar 2020 | 01 Apr 2022 | United Kingdom | December 1951 | Teikyo Foundation (Uk), Framewood Road, Wexham, Bucks, SL2 4QS, United Kingdom |
| NAKATANI, Tomoki RESIGNED | Director | 23 Aug 2017 | 15 May 2019 | United Kingdom | August 1971 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| NAKAYAMA, Noboru RESIGNED | Director | 01 Apr 2008 | 13 Apr 2012 | United Kingdom | January 1948 | Falt 7 West Court, Elvet Hill Road, Durham, DH1 3LP |
| NISHIZAWA, Yoshimasa RESIGNED | Director | 05 May 2001 | 15 Mar 2003 | | March 1940 | Teikyo Foundation, Framewood Road, Wexham, Slough, Berkshire, SL2 4QS |
| ODA, Takuji, Dr RESIGNED | Director | 01 Jul 2015 | 28 Feb 2026 | Japan | October 1940 | Framewood Road, Wexham, Buckinghamshire, SL2 4QS, England |
| OKADA, Mitsushi RESIGNED | Director | 01 May 2006 | 28 Feb 2026 | Japan | September 1950 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| OKINAGA, Etsuko RESIGNED | Director | | 01 Jul 2015 | Japan | April 1937 | 6-5-30 Hatanodai, Shinagawa-Ku, Tokyo 142, Japan |
| OKINAGA, Shoichi RESIGNED | Director | | 01 Oct 2008 | | June 1933 | 6-5-30 Hatanodai, Shinagawa-Ku, Tokyo 142, FOREIGN, Japan |
| SASAHARA, Junji RESIGNED | Director | 01 Sep 2002 | 31 Dec 2005 | | January 1959 | 17 Allington Road, Hendon, London, NW4 3EA |
| SASAYAMA, Masao RESIGNED | Director | 27 Oct 2014 | 23 Aug 2017 | England | February 1968 | Teikyo Foundation (Uk), Framewood Road, Wexham, Buckinghamshire, SL2 4QS, United Kingdom |
| SAWADA, Kunihiro RESIGNED | Director | 25 Jan 2010 | 31 Mar 2011 | United Kingdom | March 1964 | Teikyo Foundation, Framewood Road, Wexham, Bucks, SL2 4QS |
| SEKIGUCHI, Hideo RESIGNED | Director | | 13 Mar 1997 | | March 1929 | Framewood Road, Wexham, South Bucks, SL2 4QS |
| TAYAMA, Keiichi RESIGNED | Director | 01 Mar 2006 | 31 Mar 2007 | | February 1960 | 18 Mary's Court, 4 Palgrave Gardens, London, NW1 6EW |
| WRIGHT, George RESIGNED | Director | | 31 Mar 2003 | | December 1931 | The Moorings Heathfield Road, Old Woking, Woking, Surrey, GU22 7JG |
| YOSHIDA, Yuji RESIGNED | Director | 06 May 2000 | 31 Mar 2005 | | January 1940 | 9231-Chome Gotencho, Kosugi Nakharaku, Kawasaki City, Kanagawa, 211, Japan |