| JONES, Alison ACTIVE | Secretary | 18 Dec 2024 | | | | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN |
| FEIGHT, Robert Preston ACTIVE | Director | 01 Jul 2019 | | United States | July 1967 | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN |
| JONES, Philip Andrew ACTIVE | Director | 01 Feb 2025 | | United Kingdom | July 1972 | 9400, Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN, United Kingdom |
| PIGOTT, Mark Charles ACTIVE | Director | 02 Jun 1998 | | United States | February 1954 | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN |
| BARHAM, Richard Edgar Charles RESIGNED | Nominee Secretary | 29 Apr 1993 | 03 Jun 1993 | | | 58 High Road, Loughton, Essex |
| CHOOI, Chew Sieng RESIGNED | Secretary | 01 Oct 2022 | 11 Oct 2024 | | | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN |
| FERRINGTON, Adam Forgham RESIGNED | Secretary | 30 Oct 1998 | 27 Feb 2004 | | | 86 Honeywall, Stoke On Trent, Staffordshire, ST4 7HT |
| JONES, Alison RESIGNED | Secretary | 30 May 2012 | 01 Oct 2022 | | | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN, England |
| MORRIS, Alexander Craig RESIGNED | Secretary | 11 Jun 1993 | 30 Oct 1998 | | | 175 Blackpool Road, Lytham St Annes, Lancashire, FY8 4AA |
| OKEEFE, Anne Clare RESIGNED | Secretary | 03 Jun 1993 | 11 Jun 1993 | | | 49 Newhall Street, Macclesfield, Cheshire, SK10 3AB |
| ZAK, Peter Stefan RESIGNED | Secretary | 27 Feb 2004 | 30 May 2012 | | | Manches Llp 9400 Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |
| AHRENS, Peter Mcgee RESIGNED | Director | 01 Oct 2022 | 01 Feb 2025 | United Kingdom | September 1988 | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN |
| ARMSTRONG, Ronald Eugene RESIGNED | Director | 06 Jun 2011 | 01 Jul 2019 | United States | March 1955 | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN |
| AUGUSTYN, Ron RESIGNED | Director | 15 Sep 2012 | 09 Apr 2015 | United Kingdom | May 1967 | 9400, Garsington Road, Oxford Business Park, Oxford, OX4 2HN, England |
| BISHOP, Errol Simon Owen RESIGNED | Director | 11 Apr 1994 | 02 Jun 1998 | | August 1938 | Parnells Witherenden Hill, Burwash Common, East Sussex, TN19 7JN |
| CARDILLO, James George RESIGNED | Director | 02 Jan 2009 | 31 Dec 2010 | Usa | August 1948 | Manches Llp 9400 Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |
| GILCHRIST, John Patterson RESIGNED | Director | 11 Jun 1993 | 02 Jun 1998 | England | June 1941 | 50 Headroomgate Road, Lytham St Annes, Lancashire, FY8 3BG |
| GOURDIE, Brennan RESIGNED | Director | 01 Feb 2019 | 01 Oct 2022 | United Kingdom | November 1964 | Leyland Trucks, Croston Road, Leyland, Lancashire, PR26 6LZ, United Kingdom |
| HEYS, Stuart RESIGNED | Director | 01 Jan 1999 | 25 Oct 2007 | England | July 1949 | 4 Mallowdale, Preston, Lancashire, PR2 7AP |
| MCKILLOP, Murdoch Lang RESIGNED | Director | 03 Jun 1993 | 11 Jun 1993 | United Kingdom | October 1947 | Flat 314, Butlers Wharf Building 36 Shad Thame, London, SE1 2YE |
| MORIE, Gordon Glen RESIGNED | Director | 02 Jun 1998 | 01 Jan 2005 | | June 1942 | 10129 N.E. 62nd Street, Kirkland, Washington, 98033, U.S.A. |
| MORRIS, Alexander Craig RESIGNED | Director | 11 Jun 1993 | 02 Jun 1998 | | May 1942 | 175 Blackpool Road, Lytham St Annes, Lancashire, FY8 4AA |
| OLIVER, John Joseph, Professor RESIGNED | Director | 02 Jun 1998 | 31 Dec 1998 | England | January 1948 | 18 Manor Court, Fulwood, Preston, PR2 7DU |
| OLIVER, John Joseph, Professor RESIGNED | Director | 11 Jun 1993 | 02 Jun 1998 | England | January 1948 | 18 Manor Court, Fulwood, Preston, PR2 7DU |
| PIERCE, Stewart RESIGNED | Director | 11 Jun 1993 | 02 Jun 1998 | | November 1953 | 41 Long Croft Meadow, Chorley, Lancashire, PR7 1TR |
| PLIMPTON, Thomas Earl RESIGNED | Director | 01 Jan 2005 | 06 Jun 2011 | Usa | July 1949 | Manches Llp 9400 Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |
| SANDARS, George Russell RESIGNED | Nominee Director | 29 Apr 1993 | 03 Jun 1993 | | February 1954 | 5 Crescent Road, London, SW20 8EY |
| SAYERS, Michael Bernard RESIGNED | Director | 12 Jul 1994 | 19 May 1998 | | April 1934 | 9 Burgess Hill, London, NW2 2BY |
| SITKO, Bryan Michael RESIGNED | Director | 30 Apr 2015 | 01 Feb 2019 | United Kingdom | April 1976 | 9400 Garsington Road, Alec Issigonis Way, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN, England |
| SUMNER, James Robert RESIGNED | Director | 25 Oct 2007 | 04 May 2009 | England | February 1966 | 34 Kensington Avenue, Penwortham, Preston, Lancashire, PR1 0EE |
| TALBOT, John Andrew RESIGNED | Director | 03 Jun 1993 | 11 Jun 1993 | | August 1949 | 67 Burbage Road, London, SE24 9HB |
| TEMBREULL, Michael Anton RESIGNED | Director | 02 Jun 1998 | 02 Jan 2009 | | September 1946 | 16323 Ne 145th Street, Woodinville, Washington 98039, U.S. |
| THOMPSON, Andrea Jayne RESIGNED | Director | 04 May 2009 | 15 Sep 2012 | United Kingdom | February 1969 | Manches Llp 9400 Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |