| HARVEY, Sarah ACTIVE | Secretary | 11 May 2026 | | | | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| HUTCHINGS, Beverley Jane ACTIVE | Director | 18 Mar 2013 | | United Kingdom | October 1966 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| LANG, Christian ACTIVE | Director | 01 Apr 2025 | | England | January 1977 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| PHILPOTT, Matthew ACTIVE | Director | 01 Oct 2023 | | United Kingdom | May 1988 | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| BRIZELL, Katy RESIGNED | Secretary | 05 Apr 2025 | 30 Apr 2025 | | | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| GORHAM, Della Louise RESIGNED | Secretary | | 22 Aug 2005 | | | Oriel Cottage, Littleworth, Faringdon, Oxfordshire, SN7 8EF |
| HARVEY, Sarah RESIGNED | Secretary | 01 Aug 2021 | 04 Apr 2025 | | | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| JOHNSON-BRETT, Susan Karen RESIGNED | Secretary | 15 Jan 2007 | 01 Aug 2021 | | | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| MEADS, Louise RESIGNED | Secretary | 01 May 2025 | 10 May 2026 | | | Oxford Instruments, Halifax Road, High Wycombe, HP12 3SE, United Kingdom |
| YOUNG, Joanne Louise RESIGNED | Secretary | 22 Aug 2005 | 15 Jan 2007 | | | Orchard View, Keyser Road, Bodicote, Banbury, Oxon, OX15 4AN |
| BARKSHIRE, Ian Richard, Dr RESIGNED | Director | 18 Mar 2013 | 01 Oct 2023 | England | November 1965 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| BOYD, Kevin James RESIGNED | Director | 08 Aug 2006 | 08 Apr 2016 | England | September 1964 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| BROWN, Alexandra Louise Stafford RESIGNED | Director | 10 Jan 2005 | 06 Jul 2005 | United Kingdom | September 1965 | 4 Pennycroft Cottages, Upper Basildon, Reading, Berkshire, RG8 8ND |
| CURTIS, Thomas RESIGNED | Director | 06 Jul 2005 | 14 Aug 2020 | England | March 1970 | Tubney Woods, Abingdon, Oxon, OX13 5QX |
| HILL, Gavin Fenton RESIGNED | Director | 09 May 2016 | 31 Mar 2025 | England | February 1968 | 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 |
| MACKINTOSH, Andrew John, Dr RESIGNED | Director | 19 Mar 1998 | 10 Jan 2005 | England | September 1955 | 11 Islip Road, Oxford, Oxfordshire, OX2 7SN |
| TURNER, Jonathan Paul RESIGNED | Director | 14 Aug 2020 | 10 Jan 2023 | United Kingdom | October 1978 | Tubney Woods, Abingdon, Oxon, OX13 5QX, England |
| WOOD, Martin Francis, Sir RESIGNED | Director | | 19 Mar 1998 | England | April 1927 | The Manor House, Little Wittenham, Abingdon, Oxfordshire, OX14 4RA |