| BAILEY, Estelle ACTIVE | Director | 10 Nov 2017 | | England | December 1970 | Compass House, 1 Farmoor Court, Farmoor, Cumnor, Oxfordshire, OX2 9LU, United Kingdom |
| HANCOCK, Zoe Julie Clare ACTIVE | Director | 25 Oct 2024 | | England | November 1974 | 9, Bridgeway Mansions, 138 London Road, Aston Clinton, Aylesbury, HP22 5LB, England |
| BUXTON, Robin David, Dr RESIGNED | Secretary | 03 May 2002 | 18 Nov 2006 | | | The Homestead, High Street, Harwell, Didcot, Oxfordshire, OX11 0EX |
| HINDE, Henry Peter Graham RESIGNED | Secretary | 25 Sep 1991 | 31 Mar 1994 | | | Home Cottage Farm, Bangors Road South, Iver, Buckinghamshire, SL0 0BB |
| KENNARD, Harry Alan RESIGNED | Secretary | 25 Sep 1991 | 09 Feb 1998 | | | Martens Mead, Longworth, Abingdon, Oxfordshire, OX13 5EP |
| MAINGOT, Roger Gilbert Anthony RESIGNED | Secretary | 18 Nov 2006 | 19 Oct 2013 | | | The Wagon House, Mudgley, Wedmore, Somerset, BS28 4TY, United Kingdom |
| MUSTON, Barbara RESIGNED | Secretary | 19 Oct 2013 | 10 Nov 2017 | | | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT |
| SPRAY, Martin Coulson RESIGNED | Secretary | 09 Feb 1998 | 03 May 2002 | | | Millham Cottage, The Millham, West Hendred, Oxfordshire, OX12 8RN |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | | 21 Oct 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| BRINDLE, Frances Anne Maria RESIGNED | Director | 24 Oct 2022 | 25 Oct 2024 | England | April 1964 | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT |
| BUXTON, Robin David, Dr RESIGNED | Director | 09 Feb 1998 | 24 Jan 2006 | England | May 1950 | The Homestead, High Street, Harwell, Didcot, Oxfordshire, OX11 0EX |
| DANKS, Peter William RESIGNED | Director | 25 Sep 1991 | 09 Feb 1998 | | September 1956 | 12 Watcombe Road, Watlington, Oxfordshire, OX9 5QJ |
| DAVIDSON, Joanna RESIGNED | Director | 15 Dec 2020 | 01 Oct 2021 | England | February 1952 | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT |
| DOBBS, Roger Clive RESIGNED | Director | 09 Feb 1998 | 11 Jan 2006 | United Kingdom | February 1945 | The Elms, Plastow Green, Headley, Newbury, Berkshire, RG15 8LW |
| HINDE, Henry Peter Graham RESIGNED | Director | 04 Nov 1996 | 13 May 1999 | | October 1929 | Home Cottage Farm, Bangors Road South, Iver, Buckinghamshire, SL0 0BB |
| KENNARD, Harry Alan RESIGNED | Director | 25 Sep 1991 | 09 Feb 1998 | | July 1937 | Martens Mead, Longworth, Abingdon, Oxfordshire, OX13 5EP |
| LOWTH, Timothy Walter John RESIGNED | Director | 29 Sep 2014 | 20 Mar 2019 | England | September 1959 | Bbowt, The Lodge, 1 Armstrong Road, Littlemore, Bbowt, The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT, United Kingdom |
| LYONS, Philippa Mary RESIGNED | Director | 09 Feb 1998 | 24 Jan 2006 | England | May 1953 | 2 Long Wittenham Road, North Moreton, Didcot, Oxfordshire, OX11 9AZ |
| MACKEN, Julie Anne RESIGNED | Director | 15 Dec 2020 | 13 Mar 2021 | United Kingdom | October 1969 | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT |
| MAINGOT, Roger Gilbert Anthony RESIGNED | Director | 01 Apr 1998 | 19 Oct 2013 | England | August 1937 | The Wagon House, Mudgley, Wedmore, Somerset, BS28 4TY, United Kingdom |
| MIRZA, Mohammed Hussein, Dr RESIGNED | Director | 25 Sep 1991 | 01 Jul 1993 | England | October 1939 | Zenith, 59 Cromwell Avenue, Thame, Oxfordshire, OX9 3TT |
| MUSTON, Barbara RESIGNED | Director | 19 Oct 2013 | 11 Dec 2019 | England | February 1952 | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT |
| SPRAY, Martin Coulson RESIGNED | Director | 25 Sep 1991 | 15 Dec 2000 | England | June 1951 | Millham Cottage, The Millham, West Hendred, Oxfordshire, OX12 8RN |
| TAYLOR, David Anthony RESIGNED | Director | 09 Feb 1998 | 29 Nov 2014 | United Kingdom | December 1956 | 15 Hill Rise, Woodstock, Oxfordshire, OX20 1AA |
| TAYLOR, Teresa Overy RESIGNED | Director | 13 Jul 1999 | 15 Dec 2000 | | August 1934 | Field House 54 Halton Lane, Wendover, Aylesbury, Buckinghamshire, HP22 6AU |
| THOMPSON, Graeme Mark RESIGNED | Director | 11 Dec 2019 | 25 Oct 2024 | England | April 1970 | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT, England |
| WEBSTER, Gregory Neil RESIGNED | Director | 15 Dec 2020 | 16 Dec 2024 | England | June 1961 | The Lodge, 1 Armstrong Road, Littlemore, Oxford, OX4 4XT |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | | 21 Oct 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | | 21 Oct 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |