| OAKWOOD CORPORATE SECRETARY LIMITED ACTIVE | Secretary | 01 Nov 2009 | | | | 3rd, Floor 1 Ashley Road, Altrincham, Cheshire, WA14 2DT |
| AHMED, Syed Waqas ACTIVE | Director | 23 Mar 2020 | | United Kingdom | November 1979 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| CAMERON, Euan Daney Ross ACTIVE | Director | 31 Oct 2018 | | United Kingdom | March 1976 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| GREEN, Georgina Adams ACTIVE | Director | 18 Apr 2024 | | United Kingdom | March 1970 | 102, Fountain Crescent, Paisley, Renfrewshire, PA4 9RE, United Kingdom |
| SMITH, Anthony Hugh ACTIVE | Director | 12 Nov 2018 | | United States | May 1962 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| STARR, Alison Jane ACTIVE | Director | 18 Apr 2024 | | United Kingdom | January 1977 | C/O Ppd Global Limited, Granta Park, Great Abington, Cambridge, CB21 6GQ, United Kingdom |
| BARNETT, Per Brooke RESIGNED | Secretary | | 08 Apr 2004 | | | Coombe Head, Bunch Lane, Haslemere, GU27 1AJ |
| GREGG, Rhona RESIGNED | Secretary | 10 Sep 2015 | 31 Mar 2026 | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| KENNEDY, James Christopher Jules RESIGNED | Secretary | 08 Apr 2004 | 26 Sep 2007 | | | 1 Gayfere Road, Epsom, Surrey, KT17 2JY |
| WARD, Nicola Jane RESIGNED | Secretary | 26 Sep 2007 | 18 Dec 2014 | | | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, England |
| A G SECRETARIAL LIMITED RESIGNED | Secretary | 26 Sep 2007 | 31 Oct 2009 | | | 100 Barbirolli Square, Manchester, M2 3AB |
| AHLGREN, Robert RESIGNED | Director | 25 Aug 2003 | 06 Apr 2005 | | June 1953 | 13 Squire Drive, North Hampton, New Hampshire 03862, FOREIGN, Rockingham |
| ANDERSEN, Verner RESIGNED | Director | 10 Apr 2001 | 09 Jul 2003 | | December 1955 | 12 Langpap Falls, Honeoye Falls, New York, New York 14472, United States Of America |
| BARNETT, Per Brooke RESIGNED | Director | | 08 Apr 2004 | | July 1958 | Coombe Head, Bunch Lane, Haslemere, GU27 1AJ |
| BRESSON, Michael Kelly RESIGNED | Director | 10 Apr 2001 | 06 Apr 2005 | | March 1958 | 69 Gosport Road, Portsmouth, New Hampshire, 03801, Usa |
| BROWN, Dennis RESIGNED | Director | 14 Feb 2003 | 06 Apr 2005 | | October 1947 | 1471 White Oak Road, Lake Forest, Illinois, 60045, Usa |
| COLEY, James Robert Ewen RESIGNED | Director | 09 Nov 2006 | 18 Apr 2012 | United Kingdom | August 1960 | Thermo Fisher Scientific, Solaar House, 19 Mercers Row, Cambridge, Cambridgeshire, CB5 8BY |
| COLLINS, Peter Anthony RESIGNED | Director | 07 Feb 1994 | 08 Apr 2004 | England | September 1965 | Thanescroft, Lords Hill Common, Shamley Green, Surrey, GU5 0TJ |
| DAY, Frances Vera RESIGNED | Director | | 01 Sep 1992 | | April 1930 | 38 Maynard Close, Erith, Kent, DA8 2BQ |
| DAY, Paul RESIGNED | Director | 01 Sep 1992 | 08 Apr 2004 | | April 1963 | 2 Cecil Road, Cheam, Surrey, SM1 2DZ |
| DELLAPA, John Anthony RESIGNED | Director | 04 Apr 2005 | 18 Aug 2006 | | July 1961 | 53 Emerson Road, Winchester, 01890 Massachussetts, Usa |
| GRANT, Lucie Mary Katja RESIGNED | Director | 07 Feb 2013 | 03 Dec 2019 | United Kingdom | July 1976 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |
| INCE, Nicholas RESIGNED | Director | 10 Sep 2015 | 31 Oct 2018 | United Kingdom | December 1982 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| JELLINEK, Frank Henry RESIGNED | Director | 10 Apr 2001 | 14 Feb 2003 | | May 1945 | 70 Sea Road, Rye Beach, New Hampshire 03871, FOREIGN, Usa |
| KENNEDY, James Christopher Jules RESIGNED | Director | 08 Apr 2004 | 26 Sep 2007 | United Kingdom | September 1969 | 1 Gayfere Road, Epsom, Surrey, KT17 2JY |
| LEATHE, Jeffrey Coffin RESIGNED | Director | 10 Apr 2001 | 06 Jan 2003 | | March 1956 | 26 State Road, Eliot, Maine 03903, Usa |
| LERNBECHER, Thomas RESIGNED | Director | 08 Apr 2004 | 23 Jun 2005 | United Kingdom | April 1965 | 6 Reigate Road, Reigate, Surrey, RH2 0QL |
| MEHTA, Chetan Praful RESIGNED | Director | 18 Aug 2006 | 09 Nov 2006 | | January 1969 | Unit 2, Lower Meadow Road, Brooke Park, Handforth, Wilmslow, Cheshire, SK9 3LP |
| MICHAUD, Michael Kenneth RESIGNED | Director | 06 Jan 2003 | 26 Sep 2007 | | December 1966 | One Deer Run Road, North Hampton, New Hampshire 03862, Usa |
| MOODIE, Iain Alasdair Keith RESIGNED | Director | 18 Apr 2012 | 07 Feb 2013 | England | March 1967 | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, United Kingdom |
| NORMAN, David John RESIGNED | Director | 16 Nov 2015 | 18 Apr 2024 | United Kingdom | December 1960 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| NOTARAD, Mitchell James RESIGNED | Director | | 01 Sep 1992 | | March 1933 | 7 Blenheim Road, London, NW8 0LU |
| WHEELER, Kevin Neil RESIGNED | Director | 30 Jul 2007 | 16 Nov 2015 | United Kingdom | December 1958 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |
| WHITE, Sylvia RESIGNED | Director | 09 Nov 2006 | 01 Oct 2007 | United Kingdom | March 1972 | Thermo Fisher Scientific, Langhurstwood Road, Horsham, West Sussex, RH12 4QD |
| WRIGHT, Katie Rose RESIGNED | Director | 01 Dec 2010 | 04 Sep 2015 | United Kingdom | July 1982 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |