| CABLE-LEWIS, Merida Samantha Zena ACTIVE | Secretary | 15 May 2025 | | | | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| GALINDO, Sonia ACTIVE | Secretary | 28 Jan 2023 | | | | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| BAILLIE, John Paul, Mr. ACTIVE | Director | 02 Apr 2024 | | England | May 1975 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| IBRAHIM, Jay Jalal, Mr. ACTIVE | Director | 07 May 2020 | | United States | August 1960 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| SULLIVAN, Richard Francis ACTIVE | Director | 01 May 2013 | | England | July 1971 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL, United Kingdom |
| KING, James Russell RESIGNED | Secretary | 30 Aug 1995 | 05 Mar 1999 | | | 86 Chesterton Avenue, Harpenden, Hertfordshire, AL5 5ST |
| KOSAK, Gregor Andrej RESIGNED | Secretary | 14 Nov 2006 | 20 Apr 2020 | | | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| KRAMER, Adam Miles, Mr. RESIGNED | Secretary | 08 Mar 2021 | 03 Jan 2023 | | | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| LOW, Robert Charles RESIGNED | Secretary | 31 Oct 1994 | 29 Feb 1996 | | | 22 Thornton Way, London, NW11 6SD |
| MACFARLANE, David Charles Nimmo RESIGNED | Secretary | 16 Mar 1993 | 31 Oct 1994 | | | 64 Holland Park, London, W11 3SJ |
| NASSER, Syed Muhammad Saleh RESIGNED | Secretary | 03 Mar 2003 | 14 Nov 2006 | | | Ruxanas, Nicol Road, Chalfont St Peter, Gerrards Cross, SL9 9LS |
| PARKER, Robert Alexander RESIGNED | Secretary | | 16 Mar 1993 | | | 70 Paxton Road, Chiswick, London, W4 2QX |
| SWIFT, Edward Reagan RESIGNED | Secretary | 05 Mar 1999 | 03 Mar 2003 | | | Flat 78 Bryanston Court Ii, George Street Marylebone, London, W1H 7HD |
| WILSON, Gina Mary RESIGNED | Secretary | 20 Apr 2020 | 08 Mar 2021 | | | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| AL-DADAH, Ahmed, Mr. RESIGNED | Director | 02 Jul 2021 | 15 Mar 2024 | United Kingdom | October 1981 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| ALLAN, Albert William RESIGNED | Director | 18 Mar 2011 | 28 Aug 2012 | United Kingdom | August 1966 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL, United Kingdom |
| ARAKI, Hisaaki RESIGNED | Director | 29 Jul 2002 | 15 Nov 2004 | | May 1949 | Nieuwe Parklaan 34, Den Haag, 2597 Ld, Netherlands |
| ARANDA, Arturo German RESIGNED | Director | 24 Apr 2008 | 24 Jun 2013 | United Kingdom | October 1943 | Flat 50,, Ensign House Juniper Drive, London, SW18 1TA, United Kingdom |
| ARANDA, Arturo German RESIGNED | Director | 15 Nov 2004 | 01 Oct 2007 | | October 1943 | 38 Blomfield Road, Maida Vale, London, W9 2PF |
| ARATANI, Tadanori RESIGNED | Director | 11 Jun 2007 | 01 Jan 2011 | Japan | February 1946 | Kanazawa-Cho, Kanazawa-Ku 184-87, Yokohama City, Kanagawa Pref 236-0015, Japan |
| BRACE, Klaudia RESIGNED | Director | 01 Nov 2007 | 25 May 2011 | Usa | September 1956 | 4103 Villanova Street, Houston, Texas 77005, Usa |
| CALTON, Dennis Lee RESIGNED | Director | 11 Feb 2008 | 15 Jan 2013 | Usa | September 1953 | 1710, Oyster Point Drive, Sugar Land, Texas 77478, United States |
| CARTER, Susan RESIGNED | Director | 09 Sep 2010 | 26 Sep 2013 | Usa | November 1958 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL, United Kingdom |
| COOKE, Colin Clement RESIGNED | Director | | 25 Aug 1995 | | July 1930 | 14 The Binghams, Maidenhead, Berkshire, SL6 2ES |
| CROWELL, Ronald Benson RESIGNED | Director | 21 Sep 2007 | 10 Feb 2009 | Usa | July 1958 | 4621 Swilcan Bridge Lane South, Jacksonville, Florida 32224, Usa |
| DAUZAT, Michel RESIGNED | Director | 01 Jul 2009 | 01 May 2015 | Usa | October 1956 | 38 Shawnee Ridge Drive, The Woodlands, Houston, Texas 77382, United States |
| DEGNAN, James John RESIGNED | Director | | 30 Aug 1995 | | October 1932 | 18 Hyde Park Street, London, W2 2JN |
| DODSON, Durwood Keith RESIGNED | Director | 30 Aug 1995 | 19 Jun 1998 | | November 1943 | 32 West Oak Drive, Houston Texas 77056, United States Of America, FOREIGN |
| EVANS, Anthony Rees RESIGNED | Director | | 12 Feb 1999 | | February 1939 | 8 Brooklands Court, 1 Bush Hill, London, N21 2BZ |
| EVANS, Peter Malcolm RESIGNED | Director | 10 Feb 1997 | 10 Jan 1999 | | December 1945 | 3214 Willow Terrace Drive, Kingwood, Texas, TX 77345, Usa |
| FURUTA, Eiki RESIGNED | Director | 15 Nov 2004 | 01 Jan 2011 | Japan | January 1950 | Tsuzuki-Ku, Sakuranamiki 20-32-1405, Yokohama-City, Kanagawa-Pref 224-0046, Japan |
| GALLINARO, Nicholas Cosmo RESIGNED | Director | 05 Feb 2001 | 26 Apr 2002 | | September 1940 | 2156 Fairview Street, Houston, 77019 Texas, Usa |
| GANN JR, John Woodul RESIGNED | Director | 10 Feb 2009 | 09 Sep 2010 | Usa | July 1957 | 2247 Stanmore Drive, Houston, 77019 Texas, United States |
| GIBSON, David Lindsay RESIGNED | Director | 06 May 2015 | 02 Jul 2021 | England | April 1962 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| GILES, Thomas Edward RESIGNED | Director | 10 Aug 1998 | 31 Dec 2000 | United States | November 1945 | 2339 Quenby Road, Houston, Texas 77005, United States Of America |
| GILES, Thomas Edward RESIGNED | Director | 04 Nov 1994 | 10 Feb 1997 | United States | November 1945 | 2339 Quenby Road, Houston, Texas 77005, United States Of America |
| GILES, Thomas Edward RESIGNED | Director | | 07 Aug 1992 | | November 1945 | 2309 Quenby, Houston, Texas 77055, PA6, United States Of America |
| GOODE JNR, Rudolph Clark RESIGNED | Director | 10 Feb 1997 | 01 Dec 2004 | | October 1943 | Flat 4 14-16 Hans Crescent, Knightsbridge, London, SW1X 0LJ |
| HASHIMOTO, Hideo RESIGNED | Director | 07 Aug 1992 | 14 Aug 1996 | | August 1941 | 24 Walnut Court, St Marys Gate Marloes Road, London, W8 5UB |
| HEDGES, Peter Francis RESIGNED | Director | 14 Nov 2006 | 09 Jan 2008 | United Kingdom | July 1958 | 19 Wayneflete Tower Avenue, Esher, Surrey, KT10 8QQ |
| HOPKINS, Mark Edwin RESIGNED | Director | 15 Feb 1999 | 27 Feb 2004 | | February 1939 | 33 Pensford Avenue, Kew, Surrey, TW9 4HR |
| INAGAKI, Hideo RESIGNED | Director | 07 Aug 1992 | 01 Jun 1995 | | August 1934 | Flat 20 Portman Gate, 110 Lisson Grove, London, NW1 |
| ISHIMOTO, Kosaku RESIGNED | Director | 01 Nov 1994 | 30 Jun 1998 | | September 1936 | Nieuwe Parklaan 34, The Hague, 2597 LD, The Netherlands |
| KAGAWA, Tomoyoshi RESIGNED | Director | 14 Aug 1996 | 20 Apr 2001 | | December 1944 | 10 Ormonde Road, Northwood, Middlesex, HA6 2EL |
| KAMATA, Shigeyuki RESIGNED | Director | 15 Nov 2004 | 11 Jun 2007 | | December 1939 | Kanazawa-Ku, Tomiokanishi 2-24-10, Yokohama-City, Kanagawa-Pref 236-0052, Japan |
| KAN, Tomizo RESIGNED | Director | 30 Jun 1998 | 29 Jul 2002 | | August 1939 | 2 9 3 Mabori Kaigan, Yokusuka City, Kanagawa, 239, Japan |
| KASAHARA, Susumu RESIGNED | Director | 01 Jun 1995 | 16 Oct 1998 | | June 1947 | Flat 113, 20 Abbey Road, St John's Wood, London, NW8 9AL |
| KERSHAW, Michael John RESIGNED | Director | 04 Sep 2006 | 31 Aug 2007 | | June 1949 | 8622 Jackson Creek Bend Lane, Humble, Texas 77396, Usa |
| KIKUTA, Nobuo RESIGNED | Director | 29 Jul 2002 | 15 Nov 2004 | | April 1949 | Kataseyama 3-2-6, Fujisawa - City, Kanagawa - Pref 2510033, Japan |
| KIMPARA, Masao RESIGNED | Director | 16 Oct 1998 | 29 Jul 2002 | | March 1944 | 267-69 Nikaido, Kamakura, Kanagawa, 248, Japan |
| KING, James Russell RESIGNED | Director | 29 Feb 1996 | 05 Mar 1999 | | February 1961 | 86 Chesterton Avenue, Harpenden, Hertfordshire, AL5 5ST |
| KUDO, Kozo RESIGNED | Director | 07 Aug 1992 | 01 Nov 1994 | | September 1934 | Nieuwe Parklaan 34, 2597ld The Hague, FOREIGN, The Netherlands |
| KUXHAUSEN, Steven Allen RESIGNED | Director | 30 Aug 1995 | 01 Jul 2000 | | March 1956 | 5 Romsey Drive, Farnham Common, Slough, Berkshire, SL2 3RE |
| LANE, Andrew Robert RESIGNED | Director | 03 Nov 2004 | 15 Nov 2004 | United States | July 1959 | 62, The Oval Street, Sugar Land, Texas 77479-2536, Usa |
| LOW, Robert Charles RESIGNED | Director | | 30 Aug 1995 | | August 1954 | 22 Thornton Way, London, NW11 6SD |
| LUKE, Albert George RESIGNED | Director | | 19 Aug 1994 | | April 1945 | 10 Clareville Street, London, SW7 5AQ |
| MACFARLANE, David Charles Nimmo RESIGNED | Director | 16 Mar 1993 | 31 Oct 1994 | | November 1946 | 64 Holland Park, London, W11 3SJ |
| MAKINO, Yukihiro RESIGNED | Director | 15 Nov 2004 | 20 Jun 2006 | | November 1949 | Toshima-Ku, Zoushigaya 3-22-6, Tokyo, 171-0032, Japan |
| MARKIEWICZ, Richard RESIGNED | Director | 30 Aug 1995 | 29 Feb 1996 | | August 1939 | 15187 Diana Lane, Houston, Texas, Usa |
| MASUDA, Hideo RESIGNED | Director | 07 Aug 1992 | 15 Nov 2004 | | May 1939 | Yamate-Chou Mansion 507, 9-3 Yamate-Chou, Naka-Ku Yokohama City, Kanagawa Prefecture, Japan |
| MCDONALD, Christopher Michael RESIGNED | Director | 18 Jun 2003 | 20 Jun 2006 | United Kingdom | May 1967 | 42, Halford Road, Richmond, Surrey, TW10 6AP |
| MCGRAW, Donald Ray RESIGNED | Director | 04 Nov 1994 | 30 Aug 1995 | | March 1932 | 16322 Brook Forest Drive, Houston, Texas 77059, Usa |
| MCGRAW, Donald Ray RESIGNED | Director | | 07 Aug 1992 | | March 1932 | 16322 Brook Forest Drive, Houston, Texas 77059, Usa |
| MOZEK, Robert Edward RESIGNED | Director | 16 Aug 2002 | 14 Sep 2002 | | September 1953 | 99 E Green Gables Circle, The Woodlands Tx, Montgomery County 77382, Usa |
| MUJIB, Farhan RESIGNED | Director | 02 Oct 2012 | 07 May 2020 | England | September 1963 | Kellogg Tower, Greenford Road, Greenford, Middlesex, UB6 0JA, United Kingdom |
| NASSER, Syed Muhammad Saleh RESIGNED | Director | 03 Mar 2003 | 14 Nov 2006 | Gbr | January 1953 | Ruxanas, Nicol Road, Chalfont St Peter, Gerrards Cross, SL9 9LS |
| OGURI, Ken RESIGNED | Director | 20 Apr 2001 | 01 Jan 2011 | United Kingdom | December 1944 | 506 The Pavilion, St Johns Wood Road, St Johns Wood, London, NW8 7HB |
| PARKER, Robert Alexander RESIGNED | Director | | 16 Mar 1993 | | December 1942 | 70 Paxton Road, Chiswick, London, W4 2QX |
| PATEL, Bhaskar Raman RESIGNED | Director | 15 Nov 2004 | 04 Sep 2006 | | June 1961 | 51 Dukes Wood Drive, Gerrards Cross, Buckinghamshire, SL9 7LJ |
| POPE, Lawrence David Joseph RESIGNED | Director | 05 Feb 1999 | 22 Jun 2000 | | November 1941 | 2014 Golden Pond, Kingwood Texas, 77345, Usa |
| PUCHER, Louis John RESIGNED | Director | 22 Jun 2000 | 04 Sep 2006 | | July 1943 | 6549 Edloe, Houston, Texas 77005, Usa |
| QUINN, John RESIGNED | Director | 01 Dec 2004 | 02 Apr 2012 | Usa | April 1948 | One Park Place, 1400 Mckinney St., Apartment 2510, Houston, Texas, 77010-5933, Usa |
| READ, Eric Stephen RESIGNED | Director | 21 Aug 2002 | 01 Nov 2007 | England | October 1947 | Willowmay, Hooke Road, East Horsley, Surrey, KT24 5DY |
| ROSE, John RESIGNED | Director | 14 Sep 2007 | 01 Jul 2009 | Usa | October 1945 | 14602, Summerwood Lakes Drive, Houston, Texas 77044, Usa |
| ROSE, John RESIGNED | Director | 04 Sep 2006 | 11 Jun 2007 | Usa | October 1945 | 14602, Summerwood Lakes Drive, Houston, Texas 77044, Usa |
| ROSE, John RESIGNED | Director | 03 Nov 2004 | 21 Nov 2005 | Usa | October 1945 | 14602, Summerwood Lakes Drive, Houston, Texas 77044, Usa |
| RYLANDER, Michael Ray RESIGNED | Director | 01 Jul 2000 | 21 Aug 2002 | | February 1946 | 1 Hampstead Way, Hampstead Heath, London, NW11 7JA |
| SATO, Masayuki RESIGNED | Director | 15 Nov 2004 | 01 Jan 2011 | Japan | May 1955 | Kanazawa-Ku, Nishishiba 2-3-G208, Yokohama-City, Kanagawa-Pref 236-0017, Japan |
| SHIGEHISA, Yoshihiro RESIGNED | Director | 07 Aug 1992 | 15 Nov 2004 | | November 1933 | 1-3-1-1504 Toyosu, Koto-Ku, Tokyo, 1350061, FOREIGN, Japan |
| SIMMONITE, Martin RESIGNED | Director | 07 May 2015 | 12 Jun 2023 | England | February 1969 | Hill Park Court, Springfield Drive, Leatherhead, Surrey, KT22 7NL |
| STANLEY, Albert Jack RESIGNED | Director | | 18 Jun 2004 | | September 1942 | 5251 Fieldwood Drive, Houston, Texas 77056, Usa |
| SUCH, Colin RESIGNED | Director | 13 Apr 2011 | 01 May 2013 | England | June 1956 | 40, Bircham Road, Reepham, Norwich, Norfolk, NR10 4NQ, England |
| SWIFT, Edward Reagan RESIGNED | Director | 12 Mar 1999 | 03 Mar 2003 | | June 1944 | Flat 78 Bryanston Court Ii, George Street Marylebone, London, W1H 7HD |
| TAKEUCHI, Keisuke RESIGNED | Director | 29 Jul 2002 | 15 Nov 2004 | | November 1947 | Highland 5-9-3, Yokosuka - City, Kanagawa - Pref 2390833, Japan |
| VAUGHN, Donald Charles RESIGNED | Director | | 10 Feb 1997 | | March 1936 | 3425 University Boulevard, Houston, Texas, 77005, Usa |
| VIGNEAULT, Harvey Allen RESIGNED | Director | 21 Nov 2005 | 14 Sep 2007 | | December 1951 | 3721 Ella Lee Lane, Houston, Texas Tx 77027, Usa |
| WATANABE, Eiji RESIGNED | Director | 07 Aug 1992 | 29 Jul 2002 | | September 1930 | Azabu Terrace 507, 5-16-35 Roppongi, Minatu-Ku, Tokyo, FOREIGN, Japan |
| WATSON, Stewart Parker RESIGNED | Director | 01 Oct 2007 | 18 Mar 2011 | United Kingdom | March 1946 | Cleveden Chiltern Road, Chesham Bois, Amersham, Buckinghamshire, HP6 5PG |
| WATSON, Stewart Parker RESIGNED | Director | 29 Feb 1996 | 15 Nov 2004 | United Kingdom | March 1946 | Cleveden Chiltern Road, Chesham Bois, Amersham, Buckinghamshire, HP6 5PG |
| YAMAZAKI, Yutaka RESIGNED | Director | 15 Nov 2004 | 01 Jan 2011 | Japan | February 1953 | Kanazawa-Ku, Otsutomocho 5-4, Yokohama-City, Kanagawa-Pref, 236-0024, Japan |
| ZIMMERMAN, David Lee RESIGNED | Director | 11 Jun 2007 | 11 Feb 2008 | Usa | July 1953 | 16121 Crawford Street, Houston, Texas, 77040, United States |