| WOODWORTH, Emily Marie ACTIVE | Secretary | 16 Aug 2024 | | | | 300, Boston Scientific Way, Marlborough, Ma 01752, United States |
| ABOGADO NOMINEES LIMITED ACTIVE | Secretary | 19 Aug 2019 | | | | C/O Company Secretarial Department, 280 Bishopsgate, London, EC2M 4AG, United Kingdom |
| WOODWORTH, Emily ACTIVE | Director | 16 Aug 2024 | | United States | July 1977 | 300, Boston Scientific Way, Marlborough, Ma 01752, United States |
| BROWN, Vance Ronald RESIGNED | Secretary | 19 Aug 2019 | 16 Aug 2024 | | | 300, Boston Scientific Way, Marlborough, Massachusetts 01752, United States |
| DUGGAN, Matthew John Henderson RESIGNED | Secretary | 09 Mar 1992 | 31 Mar 1992 | | | Clarendon House, High Street South, Stewkley, Buckinghamshire, LU7 0HU |
| KATHOKE, Rustom Kaikhushroo RESIGNED | Secretary | 12 Dec 2002 | 30 Jun 2005 | | | Beechfield 29b Holmewood Ridge, Langton Green, Kent, TN3 0ED |
| KATHOKE, Rustom Kaikhushroo RESIGNED | Secretary | 16 Sep 1994 | 26 Jan 2000 | | | 165 Kings Hall Road, Beckenham, Kent, BR3 1LL |
| MORTON, John RESIGNED | Secretary | 31 Mar 1992 | 16 Sep 1994 | | | 47 Dresden Road, Islington, London, N19 3BG |
| MUSSENDEN, Paul Justin, Dr RESIGNED | Secretary | 18 Mar 2010 | 19 Aug 2019 | | | 5, Fleet Place, London, EC4M 7RD |
| POPPER, Andrew John Daniel RESIGNED | Secretary | 26 Jan 2000 | 03 Apr 2002 | | | 24 St Peters Street, London, N1 8JW |
| SAPHRA, Robin RESIGNED | Secretary | 03 Apr 2002 | 12 Dec 2002 | | | 4 Wellfield Avenue, London, N10 2EA |
| SODEN, Christine Helen RESIGNED | Secretary | 01 Jul 2005 | 31 Mar 2009 | | | Btg Plc, 5 Fleet Place, London, EC4M 7RD |
| SODERSTROM, Rolf Kristian Berndtson RESIGNED | Secretary | 31 Mar 2009 | 18 Mar 2010 | | | Btg Plc, 5 Fleet Place, London, EC4M 7RD |
| ALNERY INCORPORATIONS NO 1 LIMITED RESIGNED | Nominee Secretary | 09 Dec 1991 | 09 Mar 1992 | | | 9 Cheapside, London, EC2V 6AD |
| BARKER, Colin, Sir RESIGNED | Director | 31 Mar 1992 | 31 Dec 1993 | United Kingdom | October 1926 | 12 Clune Court, Hutton Road Shenfield, Brentwood, Essex, CM15 8NQ |
| BARRETT, Gregory Ackley RESIGNED | Director | 27 Nov 2017 | 19 Aug 2019 | United States | October 1953 | 5, Fleet Place, London, EC4M 7RD |
| BLAKEMORE, Colin Brian, Professor RESIGNED | Director | 01 Oct 2007 | 13 Jul 2010 | United Kingdom | June 1944 | Magdalen College, High Street, Oxford, OX1 4AU |
| BROOKE, Carol Consuelo RESIGNED | Director | 30 Jul 2002 | 16 Jul 2008 | | January 1947 | Btg Plc 10 Fleet Place, Limeburner Lane, London, EC4M 7SB |
| BROWN, John Robert, Dr RESIGNED | Director | 01 Jan 2008 | 31 Dec 2011 | United Kingdom | March 1955 | C/O Bio Industry Association, 14-15 Belgrave Square, London, SW1X 8PS |
| BROWN, Vance Ronald RESIGNED | Director | 19 Aug 2019 | 16 Aug 2024 | United States | August 1969 | 300, Boston Scientific Way, Marlborough, Massachusetts 01752, United States |
| CHAMBRE, Peter Alan RESIGNED | Director | 26 Oct 2006 | 25 Sep 2012 | United Kingdom | November 1955 | C/O Spectris Plc, Station Road, Egham, Surrey, TW20 9NP |
| COSTER, Malcolm David RESIGNED | Director | 11 Dec 1995 | 26 Jul 2006 | England | June 1944 | Rivendell 46 Golfside, South Cheam, Sutton, Surrey, SM2 7EZ |
| FAIRSERVICE, Gavin Douglas RESIGNED | Director | 31 Mar 1992 | 30 Jul 2002 | | April 1947 | Parr House 2 Wolsey Close, Wimbledon, London, SW20 0DD |
| FENDER, Brian Edward Frederick, Sir RESIGNED | Director | 31 Mar 1992 | 03 Mar 2008 | United Kingdom | September 1934 | Btg Plc 10 Fleet Place, Limeburner Lane, London, EC4M 7SB |
| FODEN, Susan Elizabeth, Dr RESIGNED | Director | 01 Mar 2015 | 19 Aug 2019 | England | April 1953 | 5, Fleet Place, London, EC4M 7RD |
| GUILLAUME, Henri, Monsignur RESIGNED | Director | 20 May 1992 | 11 May 1995 | | February 1943 | Anvar 43 Rue De Caumartin, 75436 Paris, Cedex 09, France |
| HARVEY, Ian Alexander RESIGNED | Director | 31 Mar 1992 | 19 Oct 2004 | Uk | February 1945 | Tanglewood, Cobham Road, Fetcham, Surrey, KT22 9SJ |
| HETHERINGTON, Graham Charles RESIGNED | Director | 01 Aug 2016 | 19 Aug 2019 | United Kingdom | February 1959 | 5, Fleet Place, London, EC4M 7RD |
| JACKSON, John Bernard Haysom RESIGNED | Director | 31 Mar 1992 | 31 Dec 1993 | United Kingdom | May 1929 | Summit House, Red Lion Square, London, WC1R 4QB |
| JENKINS, William John, Dr RESIGNED | Director | 01 Sep 2002 | 04 Feb 2011 | | August 1947 | Muehlebachweg 9, 4123 Allschwil, Switzerland, FOREIGN |
| KATHOKE, Rustom Kaikhushroo RESIGNED | Director | 09 Mar 1992 | 30 Jun 2005 | | December 1947 | Beechfield 29b Holmewood Ridge, Langton Green, Kent, TN3 0ED |
| KENNEDY, Duncan RESIGNED | Director | 01 Jan 2018 | 19 Aug 2019 | England | May 1975 | 5, Fleet Place, London, EC4M 7RD |
| KERR, Giles RESIGNED | Director | 01 Oct 2007 | 18 Jul 2018 | England | July 1959 | University Offices, Wellington Square, Oxford, Oxfordshire, OX1 2JD |
| LANGMUIR, Hugh Macgillivray RESIGNED | Director | 31 Mar 1992 | 23 Jul 1997 | | May 1955 | 14 Ashchurch Park Villas, London, W12 9SP |
| LEE, Melanie, Dr RESIGNED | Director | 29 Nov 2010 | 25 Sep 2014 | United Kingdom | July 1958 | Units 4-10, The Quadrant, Barton Lane, Abingdon, Oxfordshire, OX14 3YS, United Kingdom |
| LEONARD, Jack Lawrence, Dr RESIGNED | Director | 17 Nov 1993 | 23 Jul 2003 | | November 1931 | Downs Edge Stable Lane, Findon, Worthing, West Sussex, BN14 0RR |
| MAKIN, Pamela Louise, Dame RESIGNED | Director | 19 Oct 2004 | 19 Aug 2019 | England | November 1960 | Btg Plc, 5 Fleet Place, London, EC4M 7RD |
| MARTEL, Timothy John RESIGNED | Director | 19 Aug 2019 | 28 Feb 2020 | England | January 1975 | 100, New Bridge Street, London, EC4V 6JA |
| MONSON, Jonathan Richard RESIGNED | Director | 28 Feb 2020 | 16 Aug 2024 | United States | February 1974 | 300, Boston Scientific Way, Marlborough, Ma 01752, United States |
| MORTON, John RESIGNED | Director | 09 Mar 1992 | 16 Sep 1994 | | November 1941 | 47 Dresden Road, Islington, London, N19 3BG |
| MUCH, Ian Fraser Robert RESIGNED | Director | 01 Aug 2010 | 19 Aug 2019 | England | September 1944 | 5, Fleet Place, London, EC4M 7RD |
| O'SHEA, William James RESIGNED | Director | 02 Apr 2009 | 19 Aug 2019 | United States | October 1949 | C/O Btg Plc, 5 Fleet Place, London, EC4M 7RD |
| RADDA, George Karoly, Professor Sir RESIGNED | Director | 25 Jan 1999 | 27 Jul 2005 | United Kingdom | June 1936 | Mithian Cottage Northampton Road, Weston On The Green, Bicester, Oxfordshire, OX25 3QH |
| RILEY, Ralph, Sir RESIGNED | Director | 31 Mar 1992 | 23 Jul 1999 | | October 1924 | 16 Gog Magog Way, Stapleford, Cambridge, Cambridgeshire, CB2 5BQ |
| SCHAFER, Derek John RESIGNED | Director | 31 Mar 1992 | 09 Sep 1994 | | September 1944 | 765 Newtown Road, Villanova Pa19085, Usa, FOREIGN, Usa |
| SODEN, Christine Helen RESIGNED | Director | 01 Jul 2005 | 31 Mar 2009 | | June 1957 | Btg Plc, 5 Fleet Place, London, EC4M 7RD |
| SODERSTROM, Rolf Kristian Berndtson RESIGNED | Director | 04 Dec 2008 | 31 Dec 2017 | England | July 1965 | Btg Plc, 5 Fleet Place, London, EC4M 7RD |
| THORBURN, Anne RESIGNED | Director | 23 Jan 2018 | 19 Aug 2019 | Scotland | July 1960 | 5, Fleet Place, London, EC4M 7RD |
| WATTS, Garry RESIGNED | Director | 01 Jan 2012 | 19 Aug 2019 | England | December 1956 | Inverchroskie, Enochdhu, Perthshire, PH10 7PB, United Kingdom |
| WEISS, Fred Geoffrey RESIGNED | Director | 06 Sep 2001 | 06 Nov 2007 | | August 1941 | 16450 Maddalena Place, Delray Beach, Florida 33446, Usa |
| WOHANKA, Richard Leslie Martin RESIGNED | Director | 01 Jan 2013 | 19 Aug 2019 | England | December 1952 | 5, Fleet Place, London, EC4M 7RD |
| WOOD, Alison Jane RESIGNED | Director | 07 Sep 2004 | 16 Jul 2008 | United Kingdom | June 1963 | Greenhill Farm, 24 Greenhill Road, Farnham, Surrey, GU9 8JP |
| ALNERY INCORPORATIONS NO 1 LIMITED RESIGNED | Nominee Director | 09 Dec 1991 | 09 Mar 1992 | | | 9 Cheapside, London, EC2V 6AD |