| BORENSTEIN, Rowena ACTIVE | Director | 01 Apr 2021 | | Canada | September 1970 | 300, Dashwood Lang Road, Bourne Business Park, Addlestone, KT15 2NX, United Kingdom |
| MCKAY, Barnaby George Robert ACTIVE | Director | 01 Jan 2026 | | United Kingdom | April 1977 | Bourne Business Park, 300 Dashwood Lang Road, Addlestone, KT15 2NX, United Kingdom |
| RAMIREZ, Sandra Patricia ACTIVE | Director | 01 Jan 2026 | | United Kingdom | August 1966 | Bourne Business Park, 300 Dashwood Lang Road, Addlestone, KT15 2NX, United Kingdom |
| TURNBULL, Robert Harvey RESIGNED | Secretary | 01 Mar 2005 | 23 Nov 2012 | | | Lovett House, Lovett Road, Staines, Middlesex, TW18 3AZ |
| SISEC LIMITED RESIGNED | Nominee Secretary | | 01 Mar 2005 | | | 21 Holborn Viaduct, London, EC1A 2DY |
| ALDEMIR-CEVIK, Dilek RESIGNED | Director | 14 Sep 2020 | 08 Sep 2022 | United Kingdom | February 1972 | Space, 68 Chertsey Road, Woking, Surrey, GU21 5BJ, United Kingdom |
| BALLERO, Philippe Andre Pierre RESIGNED | Director | 01 Mar 1998 | 01 Oct 2001 | | January 1952 | Smidswater 23d, 2514 Bw Den Haag, The Netherlands |
| BRITSTRA, Arend Gerrit RESIGNED | Director | 01 Jan 2000 | 01 Aug 2000 | | September 1952 | Parkweg 317, 2271 Bd Voorburg, Netherlands, FOREIGN |
| CROOKS, Michael John RESIGNED | Director | 01 Jan 2012 | 31 May 2017 | United Kingdom | August 1959 | 2000, Hillswood Drive, Chertsey, KT16 0RS, United Kingdom |
| DAVIS, Jacqueline Sarah RESIGNED | Director | 01 Apr 2020 | 01 Jan 2026 | England | November 1969 | 300, Dashwood Lang Road, Bourne Business Park, Addlestone, KT15 2NX, United Kingdom |
| DE HEUS, Johannes Adrianus RESIGNED | Director | 01 Aug 2000 | 01 Nov 2002 | | December 1961 | Herenweg 73, 1433 Gx Kudelstaart, The Netherlands |
| FERGUSON, Dudley Henry RESIGNED | Director | | 01 Sep 2007 | | August 1943 | Lovett House, Lovett Road, Staines, Middlesex, TW18 3AZ |
| HALL, Ian Michael RESIGNED | Director | 01 Apr 2016 | 13 Sep 2020 | England | April 1966 | Space, 68 Chertsey Road, Woking, Surrey, GU21 5BJ, United Kingdom |
| HUIBERTS, Henricus Johannes RESIGNED | Director | | 01 Sep 1998 | | April 1957 | Dokter Perquinstraat 5, 2265 Bj Leidschendam, Holland |
| INOUE, Masakatsu RESIGNED | Director | | 01 Jan 1994 | | February 1942 | 3-7-18 Fujigaya, Kugenuma, Fujisawa-Shi, Kanagawa, FOREIGN, Japan |
| ISHII, Yasuo RESIGNED | Director | 01 Jan 2001 | 30 Jun 2004 | | September 1947 | 390-347 Takatsu Yachiyo-Shi, Chiba 276-0036, Japan |
| JANSEN VAN RENSBURG, Eugene Theodorus RESIGNED | Director | 20 Jul 2015 | 02 Jul 2018 | England | August 1969 | 2000, Hillswood Drive, Chertsey, KT16 0RS |
| KINOSHITA, Seiji RESIGNED | Director | 01 Sep 2007 | 01 Jul 2010 | | January 1957 | Lovett House, Lovett Road, Staines, Middlesex, TW18 3AZ |
| KOCKELKOREN, Wilhelmus Jacques Josephus RESIGNED | Director | 01 Sep 2004 | 30 Mar 2006 | | April 1957 | Lovett House, Lovett Road, Staines, Middlesex, TW18 3AZ |
| MAKWANA, Amit RESIGNED | Director | 01 Sep 2007 | 12 Jun 2011 | United Kingdom | May 1963 | Lovett House, Lovett Road, Staines, Middlesex, TW18 3AZ |
| NOGAWA, Hiroshi RESIGNED | Director | 30 Mar 2006 | 01 Sep 2007 | | February 1959 | Lovett House, Lovett Road, Staines, Middlesex, TW18 3AZ |
| PAASMAN, Arend RESIGNED | Director | | 01 Mar 1998 | | November 1945 | Van Gentstraat 15, Ommen 7731 Bs, The Netherlands |
| PEARSON, Adam John RESIGNED | Director | 01 Apr 2019 | 31 Mar 2020 | England | April 1972 | Space, 68 Chertsey Road, Woking, Surrey, GU21 5BJ, United Kingdom |
| READ, Martin Anthony, Dr RESIGNED | Director | 01 Apr 2021 | 30 Jun 2025 | England | May 1973 | 300, Dashwood Lang Road, Bourne Business Park, Addlestone, KT15 2NX, United Kingdom |
| SANTHARAM, Yagnaram RESIGNED | Director | 09 Sep 2022 | 30 Sep 2024 | England | May 1979 | 300, Dashwood Lang Road, Bourne Business Park, Addlestone, KT15 2NX, United Kingdom |
| SANZ, Jose Maria, Dr RESIGNED | Director | 02 Jul 2018 | 31 Mar 2019 | United Kingdom | January 1972 | 2000, Hillswood Drive, Chertsey, KT16 0RS |
| SCHULZE, Daniel Benjamin Matthias RESIGNED | Director | 04 Apr 2016 | 12 Mar 2018 | England | January 1975 | 2000, Hillswood Drive, Chertsey, KT16 0RS |
| STANDER, Nicolaas Jacobus RESIGNED | Director | 10 Mar 2015 | 20 Jul 2015 | England | February 1969 | 2000, Hillswood Drive, Chertsey, KT16 0RS |
| TAKAHASHI, Shigekazu RESIGNED | Director | | 01 Jan 2001 | | November 1944 | Nienwe Parklaan 18a, 2597 Ld Den Haag, Holland |
| TURNBULL, Robert Harvey RESIGNED | Director | | 01 Apr 2016 | United Kingdom | June 1950 | 2000, Hillswood Drive, Chertsey, KT16 0RS, United Kingdom |
| WITTEVEEN, Douwe Wybe RESIGNED | Director | 01 Sep 1998 | 01 Jan 2000 | | February 1960 | Leeuweriklaan 26, Rotterdam 3055 Ec, The Netherlands, FOREIGN |