| HARVEY, Sarah ACTIVE | Secretary | 11 May 2026 | | | | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| CARSON, Neil Andrew Patrick ACTIVE | Director | 01 Dec 2018 | | England | April 1957 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| FRY, Paul Andrew ACTIVE | Director | 01 Apr 2025 | | England | December 1966 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| INNOCENT, Rowena Dawn ACTIVE | Director | 17 Feb 2025 | | England | September 1970 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| NICHOLS, Hannah Kate ACTIVE | Director | 01 Jan 2024 | | United Kingdom | June 1975 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| SHEINWALD, Nigel, Sir ACTIVE | Director | 22 Sep 2021 | | United Kingdom | June 1953 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| TYSON, John Richard ACTIVE | Director | 01 Oct 2023 | | England | October 1970 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| WOOD, Alison Jane ACTIVE | Director | 08 Sep 2020 | | United Kingdom | June 1963 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| BOYD, Kevin James RESIGNED | Secretary | 08 Aug 2006 | 31 Jan 2007 | | | Mews Close, 48 The Crescent, Pattishall, Northants, NN12 8NA |
| BRIZELL, Katy RESIGNED | Secretary | 05 Apr 2025 | 30 Apr 2025 | | | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| HARVEY, Sarah RESIGNED | Secretary | 01 Aug 2021 | 04 Apr 2025 | | | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| JOHNSON-BRETT, Susan Karen RESIGNED | Secretary | 31 Jan 2007 | 01 Aug 2021 | | | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| LAMAISON, Martin RESIGNED | Secretary | | 07 Aug 2006 | | | Aston Court, 6 Aston Gardens, Aston Rowant, Oxfordshire, OX49 5SY |
| MEADS, Louise RESIGNED | Secretary | 01 May 2025 | 10 May 2026 | | | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| ALLERTON, Jennifer Margaret RESIGNED | Director | 11 Jun 2013 | 13 Sep 2016 | Switzerland | December 1951 | Tubney Woods, Abingdon, Oxon., OX13 5QX, England |
| BARKSHIRE, Ian Richard, Dr RESIGNED | Director | 10 Nov 2015 | 01 Oct 2023 | England | November 1965 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| BLAIR, Stephen RESIGNED | Director | 01 Jul 2017 | 21 Sep 2021 | England | November 1959 | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| BOYD, Kevin James RESIGNED | Director | 08 Aug 2006 | 08 Apr 2016 | England | September 1964 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| BRADY, John Michael, Prof. Sir RESIGNED | Director | 12 Jun 1995 | 12 Jun 1995 | United Kingdom | April 1945 | 4 Dominus Way Meridian Business Park, Leicester, LE19 1RP |
| BRADY, John Michael, Prof. Sir RESIGNED | Director | 12 Jun 1995 | 09 Sep 2014 | United Kingdom | April 1945 | 4 Dominus Way Meridian Business Park, Leicester, LE19 1RP |
| FAIRCLOUGH, John Whitaker, Sir RESIGNED | Director | | 30 Jul 1998 | | August 1930 | The Old Blue Boar 25 St Johns Street, Winchester, Hampshire, SO23 8HF |
| FLINT, David Jonathan RESIGNED | Director | 05 Apr 2005 | 31 Jul 2016 | England | February 1961 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| FRIEND, Richard Henry, Sir RESIGNED | Director | 01 Sep 2014 | 28 Jul 2023 | England | January 1953 | Tubney Woods, Abingdon, Oxon., OX13 5QX, England |
| GEITNER, Thomas Otto RESIGNED | Director | 15 Jan 2013 | 21 Sep 2021 | United Kingdom | March 1955 | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| HILL, Gavin Fenton RESIGNED | Director | 09 May 2016 | 31 Mar 2025 | England | February 1968 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| HILL, Peter John RESIGNED | Director | 14 Dec 1999 | 31 May 2004 | | August 1952 | Flat2, 2 Eaton Place, London, SW1X 8AD |
| HOLROYD, Charles John Arthur RESIGNED | Director | 22 Nov 2005 | 10 Sep 2013 | England | January 1956 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| HUGHES, Michael Alan, Professor RESIGNED | Director | 01 Nov 2004 | 10 Sep 2013 | England | June 1945 | The Chapel House, Binton, Stratford Upon Avon, CV37 9TN |
| KEEN, Nigel John RESIGNED | Director | 25 Feb 1999 | 13 Sep 2016 | England | January 1947 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| LAMAISON, Martin RESIGNED | Director | | 07 Aug 2006 | United Kingdom | June 1943 | Aston Court, 6 Aston Gardens, Aston Rowant, Oxfordshire, OX49 5SY |
| LENNOX, John Fyfe RESIGNED | Director | 01 Apr 2009 | 13 Sep 2016 | England | September 1956 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| MACKINTOSH, Andrew John, Dr RESIGNED | Director | 01 Apr 1996 | 31 Mar 2005 | England | September 1955 | 11 Islip Road, Oxford, Oxfordshire, OX2 7SN |
| MORGAN, Peter William Lloyd RESIGNED | Director | 14 Dec 1999 | 15 Sep 2009 | England | May 1936 | Cleeves, Weydown Road, Haslemere, Surrey, GU27 1DT |
| PARKER, Steven Minor RESIGNED | Director | 22 Nov 2005 | 13 Nov 2008 | | May 1951 | 146 Central Park West New York, Ny Usa 10023, Usa |
| RAMACHANDRAN, Reshma RESIGNED | Director | 01 Sep 2022 | 25 Jul 2024 | Switzerland | February 1978 | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| SHEPPERD, Alfred Joseph, Sir RESIGNED | Director | | 12 Jun 1995 | | June 1925 | Courtmead 6 Guildown Avenue, Guildford, Surrey, GU2 5HB |
| TAYLOR, Bernard John RESIGNED | Director | 13 Nov 2002 | 11 Sep 2012 | England | November 1956 | University Offices, Wellington Square, Oxford, Oxfordshire, OX1 2JD |
| THOMSON, Alan RESIGNED | Director | 01 Jun 2016 | 23 Jul 2018 | United Kingdom | September 1946 | Tubney Woods, Abingdon, Oxon., OX13 5QX, England |
| WAKELING, Richard Keith Arthur RESIGNED | Director | 12 Jun 1995 | 28 Sep 2001 | United Kingdom | November 1946 | 46 The Bourne, Southgate, London, N14 6QS |
| WALDNER, Mary Elizabeth RESIGNED | Director | 04 Feb 2016 | 03 Feb 2025 | United Kingdom | October 1969 | Tubney Woods, Abingdon, Oxon., OX13 5QX, England |
| WILLIAMS, Peter Michael, Sir RESIGNED | Director | | 27 Jul 1999 | United Kingdom | March 1945 | 41 Plater Drive, Oxford, Oxfordshire, OX2 6QU |
| WOOD, Martin Francis, Sir RESIGNED | Director | | 01 Aug 2000 | England | April 1927 | The Manor House, Little Wittenham, Abingdon, Oxfordshire, OX14 4RA |
| WOODGATE, John Michael RESIGNED | Director | | 01 Feb 1999 | | June 1939 | Barcote Farm, Buckland, Faringdon, Oxfordshire, SN7 8PP |