| CABLE-LEWIS, Merida Samantha Zena ACTIVE | Secretary | 15 May 2025 | | | | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| GALINDO, Sonia, Mrs. ACTIVE | Secretary | 02 Jan 2023 | | | | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| FELLOWS, Paul Matthew ACTIVE | Director | 30 Jun 2025 | | United States | October 1971 | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| IBRAHIM, Jalal (Jay), Mr. ACTIVE | Director | 03 Apr 2024 | | United States | August 1960 | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| KING, James Russell RESIGNED | Secretary | 30 Aug 1995 | 05 Mar 1999 | | | 86 Chesterton Avenue, Harpenden, Hertfordshire, AL5 5ST |
| KOSAK, Gregor Andrej RESIGNED | Secretary | 15 Nov 2006 | 08 Apr 2019 | | | 27 Temple Road, Windsor, Berkshire, SL4 1HP |
| KRAMER, Adam Miles, Mr. RESIGNED | Secretary | 08 Mar 2021 | 02 Jan 2023 | | | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| LOW, Robert Charles RESIGNED | Secretary | 31 Oct 1994 | 30 Aug 1995 | | | 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 | 15 Nov 2006 | | | Ruxanas, Nicol Road, Chalfont St Peter, Gerrards Cross, SL9 9LS |
| NELHAMS, Martin RESIGNED | Secretary | 08 Apr 2019 | 02 Jan 2020 | | | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| 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 | 02 Jan 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 |
| COOKE, Colin Clement RESIGNED | Director | | 07 Aug 1992 | | July 1930 | 14 The Binghams, Maidenhead, Berkshire, SL6 2ES |
| DAUZAT, Michel RESIGNED | Director | 01 Sep 2009 | 06 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 | 10 Feb 1997 | | November 1943 | 21 Parkside, Knightsbridge, London, SW1X 7JW |
| EVANS, Anthony Rees RESIGNED | Director | | 12 Feb 1999 | | February 1939 | 8 Brooklands Court, 1 Bush Hill, London, N21 2BZ |
| 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 | | 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 |
| GOREE, Ulysses, Mr. RESIGNED | Director | 14 Jul 2023 | 30 Jun 2025 | United States | January 1966 | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL |
| HASHIMOTO, Hideo RESIGNED | Director | 07 Aug 1992 | 14 Aug 1996 | | August 1941 | 24 Walnut Court, St Marys Gate Marloes Road, London, W8 5UB |
| 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 | 11 Sep 1995 | | August 1934 | Flat 20 Portman Gate, 110 Lisson Grove, London, NW1 |
| KAGAWA, Tomoyoshi RESIGNED | Director | 14 Aug 1996 | 20 Apr 2001 | | December 1944 | 10 Ormonde Road, Northwood, Middlesex, HA6 2EL |
| KASAHARA, Susumu RESIGNED | Director | 01 Jun 1995 | 16 Oct 1998 | | June 1947 | Flat 113, 20 Abbey Road, St John's Wood, London, NW8 9AL |
| KIMPARA, Masao RESIGNED | Director | 16 Oct 1998 | 08 Oct 2002 | | March 1944 | 267-69 Nikaido, Kamakura, Kanagawa, 248, Japan |
| KITUTA, Nobuo RESIGNED | Director | 08 Oct 2002 | 15 Nov 2004 | | April 1949 | 3-2-6 Kataseyama Fujisawa, Kanagawa, Japan |
| KUXHAUSEN, Steven Allen RESIGNED | Director | 30 Aug 1995 | 01 Jul 2000 | | March 1956 | 5 Romsey Drive, Farnham Common, Slough, Berkshire, SL2 3RE |
| 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 | 01 Sep 2009 | | November 1949 | Toshima-Ku, Zoushigaya 3-22-6, Tokyo, 171-0032, Japan |
| MCGRAW, Donald Ray RESIGNED | Director | | 07 Aug 1992 | | March 1932 | 16322 Brook Forest Drive, Houston, Texas 77059, Usa |
| 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, Craig Alan RESIGNED | Director | 01 Jun 2011 | 01 Nov 2012 | Usa | February 1974 | Hill Park Court, Springfield Drive,, Leatherhead, Surrey, KT22 7NL, United Kingdom |
| PARKER, Robert Alexander RESIGNED | Director | | 16 Mar 1993 | | December 1942 | 70 Paxton Road, Chiswick, London, W4 2QX |
| PISANI, Gregory RESIGNED | Director | 01 Sep 2009 | 27 May 2011 | Usa | April 1957 | 2102, Garden Chase Ct, Katy, Texas 77494, United States |
| QUINN, John RESIGNED | Director | 01 Dec 2004 | 01 Oct 2007 | | April 1948 | 46 Campden Hill Square, Kensington, London, W8 7JR |
| READ, Eric Stephen RESIGNED | Director | 21 Aug 2002 | 01 Sep 2009 | | October 1947 | 3423, Crest Hill Lane, Houston, Texas, 77007, Usa |
| ROSE, John RESIGNED | Director | 14 Sep 2007 | 01 Sep 2009 | 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 |
| 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 | | 07 Aug 1992 | | September 1942 | 5251 Fieldwood Drive, Houston, Texas 77056, Usa |
| VAUGHN, Donald Charles RESIGNED | Director | | 07 Aug 1992 | | 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 |
| WATSON, Stewart Parker RESIGNED | Director | 01 Oct 2007 | 18 Mar 2011 | United Kingdom | March 1946 | Cleveden Chiltern Road, Chesham Bois, Amersham, Buckinghamshire, HP6 5PG |
| YAMAZAKI, Yutuka RESIGNED | Director | 01 Sep 2008 | 01 Jan 2011 | Japan | February 1953 | Kanazawa-Ku, Otsutomocho 5-4, Yokohama-City, Kanagawa-Pref, 236-0024, Japan |