| WRAY, Jacqueline Ann ACTIVE | Secretary | 10 Sep 2025 | | | | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| FRANCIS, Ruth Victoria ACTIVE | Director | 19 Feb 2025 | | England | May 1983 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| HOLLAND, Bronagh Lorien Louise ACTIVE | Director | 27 Oct 2025 | | England | December 1969 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| LEWIS, Steve ACTIVE | Director | 25 Jul 2024 | | England | September 1969 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| SCHOFIELD, Joanna Frances ACTIVE | Director | 12 Dec 2024 | | England | July 1963 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| TAYLOR, Indira Beatrice ACTIVE | Director | 12 Dec 2024 | | England | August 1973 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| WRAY, David Anthony ACTIVE | Director | 19 Feb 2025 | | England | March 1955 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| ARUP, John Clive RESIGNED | Secretary | 24 Apr 2000 | 16 May 2006 | | | 2 Postbox Lane, Little Wittenham, Abingdon, Oxfordshire, OX14 4RE |
| HEMMINGWAY, Maggie RESIGNED | Secretary | 08 Jun 2023 | 10 Sep 2025 | | | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| JAMES, Nigel Martin RESIGNED | Secretary | 13 Jul 2010 | 22 Mar 2012 | | | 37e Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| MCLAUGHLIN, Gloria RESIGNED | Secretary | 24 May 2012 | 08 Jun 2023 | | | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT, England |
| SHAFTO, Jane Caroline Hunter Duncombe RESIGNED | Secretary | 24 Jun 1997 | 25 Apr 2000 | | | Thames Farmhouse, West Hendred, Wantage, Oxfordshire, OX12 8RP |
| WALKER, Mark Alexander RESIGNED | Secretary | 16 May 2006 | 23 Mar 2010 | | | 30 Rewley Road, Oxford, OX1 2RG |
| WAYE, Alexander John RESIGNED | Secretary | | 24 Jun 1997 | | | Curly Cottage, West Hendred, Wantage, Oxon, OX12 8RR |
| ARUP, John Clive RESIGNED | Director | 24 Apr 2000 | 13 Jun 2014 | England | June 1952 | 2 Postbox Lane, Little Wittenham, Abingdon, Oxfordshire, OX14 4RE |
| BALL, Anthony Charles RESIGNED | Director | 02 Jun 2011 | 12 Dec 2024 | United Kingdom | March 1949 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT, England |
| BESWICK, Keith, Dr RESIGNED | Director | 28 Sep 2018 | 30 Apr 2020 | England | April 1942 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| COOPER, Robin Thomas RESIGNED | Director | 11 May 1993 | 17 May 2005 | | December 1946 | Rusheye, Sturt Road, Charlbury, Oxfordshire, OX7 3EP |
| DAVIES, Alan Wynne RESIGNED | Director | 28 Sep 2018 | 28 Jul 2025 | England | February 1955 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| DAY, Adrian John Martin RESIGNED | Director | 27 Sep 2018 | 19 Feb 2025 | England | February 1945 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| FEWINGS, Geoffrey William RESIGNED | Director | 27 Sep 2018 | 23 Apr 2025 | England | February 1938 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| GOODALL, Jill Angela RESIGNED | Director | 20 May 2008 | 27 Sep 2018 | United Kingdom | April 1935 | 156, Loyd Road, Didcot, Oxon, OX11 8JR |
| GOWER, Andrew John RESIGNED | Director | 22 Jun 2015 | 11 Feb 2025 | England | June 1957 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| HAMILTON, Deborah Jane RESIGNED | Director | | 09 Nov 1993 | | September 1956 | 30 Great Clarendon Street, Oxford, Oxfordshire, OX2 6AT |
| HAMILTON, Peter Robert RESIGNED | Director | | 11 May 1993 | | July 1960 | 30 Great Clarendon Street, Oxford, Oxfordshire, OX2 6AT |
| HARSANT, David Mark RESIGNED | Director | 21 Mar 2013 | 22 Jun 2015 | England | October 1960 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT, England |
| HEMMINGWAY, Maggie RESIGNED | Director | 27 Sep 2018 | 10 Sep 2025 | England | March 1954 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| JOHNSON, Michael George, Dr RESIGNED | Director | 16 May 2006 | 13 Jul 2010 | Great Britain | September 1943 | 4 Gatehampton Cottages, Gatehampton Road, Goring, Reading, Berkshire, RG8 9LX |
| MCLAUGHLIN, Gloria RESIGNED | Director | 24 May 2012 | 08 Jun 2023 | United Kingdom | August 1938 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT, England |
| OGILVIE, Kay Suzanne RESIGNED | Director | 09 Nov 1993 | 18 Mar 1997 | | July 1959 | 7 Twyford Avenue, Twyford Adderbury, Banbury, Oxfordshire, OX17 3JF |
| SAUNDERS, Terence RESIGNED | Director | 13 Jun 2019 | 10 Jun 2021 | England | January 1961 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| SLATER, Beryl Faith RESIGNED | Director | 20 May 2008 | 06 Jan 2020 | United Kingdom | February 1929 | Nairn Lodge, 1b Park Close, Didcot, Oxon, OX11 0AA |
| STUTT, Colin Arthur RESIGNED | Director | 01 Jan 2001 | 13 Feb 2006 | | May 1944 | 8 The Rickyard, Ardington, Wantage, Oxfordshire, OX12 8PG |
| TEARNEY, Sandra Ann RESIGNED | Director | 25 Jul 2024 | 23 Mar 2026 | England | July 1961 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT |
| THOMAS, Serena Joy RESIGNED | Director | 18 Mar 1997 | 01 Apr 2000 | | January 1961 | 11 The Court, Fieldside, Abingdon, Oxfordshire, OX14 1LE |
| WALKER, Mark Alexander RESIGNED | Director | 16 May 2006 | 06 Jan 2025 | England | May 1959 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT, England |
| WAYE, Alexander John RESIGNED | Director | | 24 Jun 1997 | | March 1943 | Curly Cottage, West Hendred, Wantage, Oxon, OX12 8RR |
| WEBB, Dave RESIGNED | Director | 13 Jul 2010 | 14 Feb 2025 | United Kingdom | December 1951 | 37e, Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RT, England |