| JAMIESON, Stephen Johan ACTIVE | Director | 22 Feb 2019 | | United Arab Emirates | September 1957 | Unit 191, Cambridge Science Park, Milton Road, Cambridge, CB4 0GW, United Kingdom |
| LEA, Bryan George ACTIVE | Director | 01 Jan 2020 | | United Kingdom | June 1961 | Unit 191, Cambridge Science Park, Milton Road, Cambridge, CB4 0GW, United Kingdom |
| KENDALL, Gareth RESIGNED | Secretary | 02 Dec 1992 | 25 Mar 2008 | | | 15 North Audley Street, London, W1K 6WZ |
| CORNHILL SERVICES LIMITED RESIGNED | Secretary | 25 Mar 2008 | 26 Feb 2009 | | | 6th Floor, 52-54 Gracechurch Street, London, EC3V 0EH |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 09 Nov 1992 | 02 Dec 1992 | | | 26, Church Street, London, NW8 8EP |
| TIERCEL SERVICES LIMITED RESIGNED | Secretary | 26 Feb 2009 | 11 Jun 2018 | | | New Zealand House, 80 Haymarket, London, SW1Y 4TQ |
| BAKER, Stuart David RESIGNED | Director | 01 Jun 2015 | 31 Dec 2019 | United States | July 1935 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| BASHFORTH, Simon John RESIGNED | Director | 28 Feb 1997 | 06 Apr 2012 | United Kingdom | March 1957 | Unit 191, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0AB, United Kingdom |
| GALLACHER, Derek Cameron RESIGNED | Director | 01 Jun 2005 | 09 May 2006 | | August 1969 | Unit 191 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 OGW |
| KJELLBERG, Anna Maria Ingemarsdotter RESIGNED | Director | 01 Feb 2018 | 22 Nov 2020 | England | August 1960 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| LUNDIE, David Robert John RESIGNED | Director | 11 Mar 2015 | 14 Nov 2018 | United States | December 1959 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| MANNERS, Paul RESIGNED | Director | 20 May 1993 | 31 Dec 2001 | | July 1941 | Tuffields Barn, Tuffields Road Whepstead, Bury St. Edmunds, Suffolk, IP29 4TN |
| MATTESSICH, Antony RESIGNED | Director | 19 May 2011 | 31 Jul 2017 | United Kingdom | March 1967 | Cambridge Science Park, Milton Road, Cambridge, CB4 0AB |
| MAZZI, Christian Paolo, Dr. RESIGNED | Director | 03 Oct 2016 | 01 Feb 2018 | England | February 1975 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| MCGOWAN, Peter James RESIGNED | Director | 18 Oct 2013 | 31 Mar 2019 | United Kingdom | September 1965 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| MEHRLING, Thomas, Dr RESIGNED | Director | 01 Oct 2010 | 18 Jan 2013 | United Kingdom | April 1960 | Cambridge Science Park, Milton Road, Cambridge, CB4 0AB |
| MILLER, Ronald B RESIGNED | Director | 23 Mar 1993 | 31 Dec 1997 | | December 1932 | 30 Barrow Road, Cambridge, Cambridgeshire, CB2 2AS |
| MITCHELL, Christopher Benbow RESIGNED | Director | 23 Mar 1993 | 12 Apr 2018 | United Kingdom | December 1936 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| ROBINSON, Susan Margaret RESIGNED | Director | 02 Dec 1992 | 23 Mar 1993 | | March 1963 | 26 Cruden Street, Islington, London, N1 8NH |
| SHIELS, Sara Elizabeth RESIGNED | Director | 28 Sep 2012 | 07 Jan 2018 | England | December 1965 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| SILVER, David Alan RESIGNED | Director | 27 Jan 2015 | 03 May 2019 | England | May 1965 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| SMITH, Raymond Michael RESIGNED | Director | 23 Mar 1993 | 22 Jan 2016 | United Kingdom | June 1942 | Cambridge Science Park, Milton Road, Cambridge, CB4 0AB |
| SURRIDGE, Christopher Paul RESIGNED | Director | 01 Jan 2018 | 31 Oct 2020 | United Kingdom | December 1979 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| TOUFAR, Georg RESIGNED | Director | 26 Apr 2012 | 31 Dec 2014 | United Kingdom | December 1971 | Cambridge Science Park, Milton Road, Cambridge, CB4 0AB |
| WIKSTROM, Ake Gunnar RESIGNED | Director | 12 Apr 2018 | 22 Feb 2019 | United Kingdom | May 1951 | Unit 196, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, England |
| WIKSTROM, Ake Gunnar RESIGNED | Director | 05 Sep 2001 | 19 May 2011 | United Kingdom | May 1951 | Unit 191, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0AB |
| INSTANT COMPANIES LIMITED RESIGNED | Nominee Director | 09 Nov 1992 | 02 Dec 1992 | | | 1, Mitchell Lane, Bristol, Avon, BS1 6BU |