| GREGG, Rhona ACTIVE | Secretary | 10 Sep 2015 | | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| 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 |
| CARR, Andrew Colin RESIGNED | Secretary | 01 Apr 1996 | 31 Jan 1998 | | | 63 Duggers Lane, Braintree, Essex, CM7 1BA |
| GOODMAN, Martin Julian RESIGNED | Secretary | 01 Jan 1992 | 31 Mar 1996 | | | 35 Herongate Road, London, E12 5EJ |
| KEARNEY, Christopher James RESIGNED | Secretary | 26 Jun 2002 | 09 May 2005 | | | 14675 Rudolph Dadey Drive, Charlotte, Nc2827749456, Usa |
| KERLE, Bridget Ann RESIGNED | Secretary | 20 Mar 1998 | 31 Aug 2000 | | | Lakeside 49-51 Station Road, Wilburton, Ely, Cambridgeshire, CB6 3RP |
| LAING, Clive Andrew RESIGNED | Secretary | 09 May 2005 | 31 Oct 2005 | | | 1 Ashtons Lane, Baldock, Hertfordshire, SG7 6JJ |
| WARD, Nicola Jane RESIGNED | Secretary | 31 Oct 2005 | 18 Dec 2014 | | | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, England |
| A G SECRETARIAL LIMITED RESIGNED | Secretary | 31 Oct 2005 | 31 Oct 2009 | | | 100 Barbirolli Square, Manchester, M2 3AB |
| HS SECRETARIAL LIMITED RESIGNED | Secretary | 01 Sep 2000 | 26 Jun 2002 | | | Shakespeare House, 42 Newmarket Road, Cambridge, Cambridgeshire, CB5 8EP |
| BLANCHARD, Peter Noel RESIGNED | Director | 18 Dec 2001 | 11 Sep 2009 | | December 1961 | Thermo Fisher Scientific, Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ |
| BRENDECKE, Hermann, Dr RESIGNED | Director | 24 Jun 1999 | 21 Dec 1999 | | June 1950 | Im Goldenen Ring 32, Alzenau, 63755, Germany |
| COLEY, James Robert Ewen RESIGNED | Director | 31 Oct 2005 | 18 Apr 2012 | United Kingdom | August 1960 | Solaar House, 19 Mercers Row, Cambridge, CB5 8BZ, United Kingdom |
| DIXON, Michael Trevor RESIGNED | Director | | 31 Dec 1993 | | September 1936 | Manor Farm Cottage, Henton, Chinnor, Oxfordshire, OX9 4AE |
| GERNENS, Uwe Richard RESIGNED | Director | 30 Apr 1993 | 31 Oct 2005 | | November 1949 | Lindenweg 3a, D63775 Aizenau, Germany |
| 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 |
| HEILOS, Gunther Anton RESIGNED | Director | 13 Apr 1993 | 24 Jun 1999 | | January 1949 | Stifterstrasse 6, 8757 Karlstein, Germany |
| 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 |
| KEARNEY, Christopher James RESIGNED | Director | 18 Dec 2001 | 09 May 2005 | | May 1955 | 14675 Rudolph Dadey Drive, Charlotte, Nc2827749456, Usa |
| KROON, Hendrik Jacob August RESIGNED | Director | 01 Sep 1995 | 28 Sep 2001 | | July 1964 | 24 Blakemere Road, Welwyn Garden City, Hertfordshire, AL8 7PJ |
| LAING, Clive Andrew RESIGNED | Director | 25 Aug 1998 | 30 Apr 2007 | | June 1963 | Thermo Fisher Scientific, Solaar House, 19 Mercers Row, Cambridge, Cambridgeshire, CB5 8BY |
| LIEBEL, Klaus Karl RESIGNED | Director | | 01 Jan 1992 | | August 1939 | 50 Wiesenau, Frankfurt 1, D-6000, Germany |
| 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 | 12 Dec 2023 | United Kingdom | December 1960 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| O'LEARY, Patrick Joseph RESIGNED | Director | 18 Dec 2001 | 09 May 2005 | United States | June 1957 | 6524 Chipstead Lane, Charlotte, North Carolina Nc 28277, 28277, Usa |
| PITZEN, Arno RESIGNED | Director | 01 Jul 1994 | 31 Aug 1995 | | October 1957 | 14 Blackwater Avenue, Colchester, Essex, CO4 3UY |
| POLT, Dieter RESIGNED | Director | | 30 Apr 1993 | | March 1943 | Darmstadter Strasse 4, 6459 Neuberg 1, Germany |
| REILLY, Michael Andrew RESIGNED | Director | 18 Feb 2005 | 09 May 2005 | United States | May 1964 | 2007 Channelstone Way, Matthews, Nc 28104, NC 28104, Usa |
| SMITH, Anthony Hugh RESIGNED | Director | 12 Nov 2018 | 12 Dec 2023 | United States | May 1962 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| WHEELER, Kevin Neil RESIGNED | Director | 03 Oct 2007 | 16 Nov 2015 | United Kingdom | December 1958 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, England |
| 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 |