| GREEN, Robert John, Mr. ACTIVE | Director | 21 Dec 2022 | | United Kingdom | June 1973 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |
| THOMAS, Glenn Michael, Mr. ACTIVE | Director | 14 Jul 2023 | | United Kingdom | May 1987 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |
| WAKEFIELD, Ian Kurt ACTIVE | Director | 01 May 2026 | | United Kingdom | July 1965 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |
| ARNOLD, Julie Christine RESIGNED | Secretary | 01 Apr 1998 | 08 Jan 2008 | | | 29 North Quay, Abingdon, Oxfordshire, OX14 5RY |
| NEYLON, Anthony RESIGNED | Secretary | 08 Jan 2008 | 09 Jul 2015 | | | The Danby Building, Edmund Halley Road, Oxford Science Park, Oxford, Oxfordshire, OX4 4DQ |
| REED, Bryan James RESIGNED | Secretary | | 04 Apr 1998 | | | 184 Swakeleys Road, Ickenham, Uxbridge, Middlesex, UB10 8AZ |
| ADAMS, Alex, Country General Manager RESIGNED | Director | 01 Oct 2008 | 09 Jul 2015 | United Kingdom | August 1958 | The Danby Building, Edmund Halley Road, Oxford, Oxfordshire, OX4 4DQ, United Kingdom |
| ARNOLD, Julie Christine RESIGNED | Director | 01 Apr 1998 | 16 Feb 2017 | United Kingdom | May 1961 | 29 North Quay, Abingdon, Oxfordshire, OX14 5RY |
| CLOUGH, Christopher John, Dr RESIGNED | Director | 15 Sep 1997 | 04 Apr 1998 | | October 1942 | Norlands 4 Carnoustie Drive, Biddenham, Bedfordshire, MK40 4FE |
| CLUBB, Ian Mcmaster RESIGNED | Director | | 30 Sep 1994 | | January 1941 | Pond House, Hadley Green, Hertfordshire, EN5 4PS |
| CONNELL, William Edward RESIGNED | Director | | 04 Apr 1998 | | September 1942 | Maedan Merrywood Copse, 65 Portsmouth Road, Camberley, Surrey, GU15 1JD |
| ELSEY, Keith Anthony Lambert RESIGNED | Director | 01 Apr 1998 | 17 May 2000 | | April 1941 | Cleeves Timberidge, Loudwater, Rickmansworth, Hertfordshire, WD3 4JD |
| FAIRBOURN, Michael John RESIGNED | Director | 09 Jul 2015 | 05 Dec 2025 | United Kingdom | March 1959 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |
| GIBSON, Kathleen RESIGNED | Director | 11 Dec 2001 | 16 Sep 2002 | | February 1955 | 14 Byron Drive, Basking Ridge, New Jersey Nj 07920, Usa |
| GRANT, Richard Stanley RESIGNED | Director | | 11 Apr 1995 | | May 1946 | 84-4 Meeker Road, Bernardsville, Nj 07924, United States |
| HANSON, Alfred John RESIGNED | Director | 01 Apr 1998 | 30 Sep 2007 | | June 1944 | Mulberry House, 58 Whitchurch Road, Tavistock, Devon, PL19 9BD |
| HEALY, Bridget RESIGNED | Director | 01 Oct 1999 | 19 Nov 2003 | | February 1955 | 601 Tenth Street, Brooklyn New York 11215, Usa, FOREIGN |
| HOPKIN, Edward Daniel RESIGNED | Director | 02 Feb 2015 | 21 Dec 2022 | England | December 1973 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |
| ISAAC, Anthony Eric RESIGNED | Director | 17 Oct 1994 | 04 Apr 1998 | | November 1941 | Sweetbriar, 38 Cranley Road Burwood Park, Walton On Thames, Surrey, KT12 5BL |
| LUNDGREN, Johnny RESIGNED | Director | 28 Jun 2011 | 02 Feb 2015 | England | May 1954 | The Danby Building, Edmund Halley Road, Oxford Science Park, Oxford, Oxon, OX4 4DQ |
| LUNDGREN, Johnny, Country General Manager RESIGNED | Director | 01 Mar 2007 | 01 Oct 2008 | | May 1954 | 2b Davenant Road, Oxford, OX2 8BX |
| NEAT, John Konrad RESIGNED | Director | 09 Jul 2015 | 05 Nov 2019 | England | September 1967 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |
| NEYLON, Anthony RESIGNED | Director | 01 Mar 2007 | 09 Jul 2015 | England | August 1961 | The Danby Building, Edmund Halley Road, Oxford Science Park, Oxford, Oxfordshire, OX4 4DQ |
| PEPPER, Joseph Wheeler RESIGNED | Director | 11 Apr 1995 | 09 May 1997 | | May 1946 | 25, Hillcrest Avenue, Summit, New Jersey, 07901, United States Of America |
| SAITH, Vijay Kumar RESIGNED | Director | | 04 Apr 1998 | | March 1944 | Pendennis, Pyrford Road, West Byfleet, Surrey, KT14 6RQ |
| STOLL, Roger Gerhard, Dr RESIGNED | Director | | 04 Apr 1998 | | May 1942 | 106 Clearview Lane, New Canaan, Connecticut 06840, Usa |
| TARALLO, Angelo Nicholas RESIGNED | Director | | 01 Jun 1994 | | May 1940 | Park Cottage, Broomfield Park, Sunningdale, Berkshire, SL5 0JT |
| VENKATARAMAN, Srividhya RESIGNED | Director | 05 Nov 2019 | 02 Feb 2023 | United Kingdom | January 1977 | 1030, Eskdale Road, Winnersh Triangle, Wokingham, Berkshire, RG41 5TS, England |