| HODGES, Sophie Jane ACTIVE | Secretary | 22 Sep 2014 | | | | 216, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WA, England |
| ABBERLEY, Russell James ACTIVE | Director | 01 Aug 2020 | | United Kingdom | January 1975 | 216, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WA, England |
| FLOROU, Paraskevi ACTIVE | Director | 20 Feb 2023 | | Switzerland | November 1979 | 216, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WA, England |
| PATEL, Binakumari Sanjay ACTIVE | Director | 08 Jun 2026 | | England | November 1966 | 216, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WA, England |
| CAMPBELL, Adrian Clemont RESIGNED | Secretary | 16 Jul 2007 | 15 Aug 2012 | | | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| MCINTOSH, Kyle Glenn RESIGNED | Secretary | 15 Aug 2012 | 22 Sep 2014 | | | 6, Evening Court, Cambridge, Cambridgeshire, CB5 8EA, United Kingdom |
| HUNTSMOOR NOMINEES LIMITED RESIGNED | Nominee Secretary | | 16 Jul 2007 | | | Carmelite, 50 Victoria Embankment Blackfriars, London, EC4Y 0DX |
| BEDSON, Simon David RESIGNED | Director | 01 Jul 2002 | 31 Dec 2005 | | August 1962 | Amgen Limited, 2400 Cambridge Science Park, Milton Road Cambridge, Cambridgeshire, CB4 0WD |
| BINDER, Gordon RESIGNED | Director | | 31 Oct 1996 | | April 1935 | 31430 Broad Reach Road, Malibu, California 90265 Usa, FOREIGN |
| BROOM, Colin, Dr RESIGNED | Director | 01 Jan 2001 | 31 Dec 2002 | | October 1955 | Little Stratton, Stratton Chase Drive, Chalfont St. Giles, Buckinghamshire, HP8 4PZ |
| BROUWER, Aart RESIGNED | Director | | 31 Dec 2001 | | June 1939 | Seeburgstrasse 66, Luzern, Ch-6006, Switzerland |
| BYRNE, Gerald RESIGNED | Director | | 12 Jun 1996 | | August 1950 | Stocks Farmhouse, Swaffham Prior, Cambridgeshire, CB8 7QN |
| CLAEYS, Justin Gary RESIGNED | Director | 20 Apr 2018 | 01 Aug 2020 | Switzerland | August 1972 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| DITTRICH, Thomas Johannes Willi RESIGNED | Director | 05 Jul 2006 | 30 Aug 2010 | | February 1964 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| ELINOFF, Adam Stewart RESIGNED | Director | 01 Aug 2020 | 31 Jan 2023 | United States | January 1977 | 216, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WA, England |
| FOX, Christine Lee RESIGNED | Director | 20 Apr 2018 | 01 Aug 2020 | United Kingdom | March 1968 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| GUSTAFSON, Kurt Alfred RESIGNED | Director | 21 Jun 2004 | 05 Jul 2006 | | January 1968 | Amgen Ltd, 240 Science Park Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| HAIGH, Jeremy Rupert Michael RESIGNED | Director | 01 Jan 2003 | 30 Apr 2015 | United Kingdom | June 1961 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| HOFFMANN, Rolf Karl-Heinz RESIGNED | Director | 01 Nov 2004 | 26 Nov 2012 | Switzerland | May 1959 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| KEARNEY, John Patrick RESIGNED | Director | 03 Sep 2007 | 20 Apr 2018 | Switzerland | March 1958 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| KELLER, Joseph Kenneth RESIGNED | Director | 31 Dec 2005 | 03 Sep 2007 | | October 1962 | Amgen Ltd, 240 Science Park Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| KELLY, Michael Arron RESIGNED | Director | 01 Sep 2010 | 31 May 2013 | Switzerland | October 1956 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| LEONARD JUNIOR, Keith Richard RESIGNED | Director | 01 Jan 2002 | 29 Oct 2004 | | October 1961 | Amgen Limited 240 Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| MCKINLAY, Christopher Ian RESIGNED | Director | 31 May 2013 | 20 Apr 2018 | Switzerland | December 1972 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| MORRISON, Alan RESIGNED | Director | 30 Apr 2015 | 10 Jul 2015 | United Kingdom | May 1962 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| MORSTYN, George, Dr RESIGNED | Director | 01 Sep 2000 | 31 Dec 2001 | | December 1950 | 964 Brightstar Street, Thousand Oaks, California, 91320, Usa |
| ODRE, Steven RESIGNED | Director | 01 Mar 2000 | 31 Dec 2001 | | November 1949 | 615 Lakeview Canyon, Westlake Village, Ventura Ca 91362, Usa |
| SEARS, Lowell RESIGNED | Director | | 01 Apr 1993 | | February 1951 | 692 Calle Mandarinas, Thousand Oaks, California 91360, FOREIGN, Usa |
| SHARER, Kevin W RESIGNED | Director | 01 Apr 1993 | 10 Dec 1998 | | March 1948 | 788 Malcolm Avenue, Los Angeles, California 90024 Usa, FOREIGN |
| SHEARER, Margaret Louise RESIGNED | Director | 15 Mar 2001 | 19 May 2002 | | August 1956 | Parsonage Corner, West End, Whittlesford, Cambridge, CB2 4LX |
| SMITHER, John William RESIGNED | Director | 01 Jan 2002 | 21 Jun 2004 | | February 1953 | Amgen Limited, 240 Cambridge Science Park, Milton Road Cambridge, Cambridgeshire, CB4 0WD |
| STABITZ, Arthur RESIGNED | Director | | 15 Sep 1992 | | March 1939 | 518 Oakhampton Street, Thousand Oaks, California-Ventura, FOREIGN, Usa |
| THIEL, Frank Carsten RESIGNED | Director | 26 Nov 2012 | 31 Aug 2014 | Switzerland | March 1963 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| VAN DEN BROUCKE, Christiaan RESIGNED | Director | 01 Sep 2014 | 01 Sep 2014 | Switzerland | November 1952 | 240 Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WD |
| VANDEMAN, George A RESIGNED | Director | 21 Dec 1995 | 01 Mar 2000 | | January 1940 | 1652 Aldercreek Place, Westlake Village California, Usa, FOREIGN |
| WALKER, Christopher Paul RESIGNED | Director | 15 Mar 2016 | 03 Jul 2026 | England | July 1970 | 216, Cambridge Science Park, Milton Road, Cambridge, Cambridgeshire, CB4 0WA, England |
| WEBB, Colin, Dr RESIGNED | Director | 18 Feb 1994 | 31 Dec 2000 | | March 1947 | 3 Hangmans Lane, Welwyn, Hertfordshire, AL6 0TJ |
| WORKMAN JR, Thomas E RESIGNED | Director | 15 Sep 1992 | 21 Dec 1995 | | August 1927 | 291 Hodencamp Apt 43, Thousand Oaks, California 91360, FOREIGN, Usa |
| YOUNG, Kevin RESIGNED | Director | 19 Jun 1996 | 14 Mar 2001 | | November 1957 | Piecefield, Shepreth Road, Barrington, Cambridge, Cambridgeshire, CB2 5SB |