| PENNSEC LIMITED ACTIVE | Secretary | 13 Nov 2024 | | | | 125, Wood Street, London, EC2V 7AW, England |
| BELL, Christian ACTIVE | Director | 12 Feb 2018 | | Japan | April 1972 | Shinagwa Grand Central Tower, 2-16-4 Konan, Minato-Ku, Tokyo 108-0075, Japan |
| KOBAYASHI, Kazumichi ACTIVE | Director | 25 Sep 2019 | | Japan | August 1959 | Shinagwa Grand Central Tower, 2-16-4 Konan, Minato-Ku, Tokyo, 108-0075, Japan |
| O'CONNOR, Ronan ACTIVE | Director | 01 Apr 2020 | | Ireland | November 1966 | 125, Wood Street, London, EC2V 7AW, United Kingdom |
| TAYLOR, Charles Richard ACTIVE | Director | 15 Dec 2005 | | United Kingdom | February 1959 | 125, Wood Street, London, EC2V 7AW, United Kingdom |
| TOJO, Noriko ACTIVE | Director | 10 Dec 2024 | | Japan | February 1964 | Shinagwa Grand Central Tower, 2-16-4 Konan, Minato-Ku, Tokyo, 108-0075, Japan |
| DOHERTY, Frances Patricia RESIGNED | Secretary | 30 Nov 2007 | 10 Sep 2009 | | | 25 Wilton Square, London, N1 3DL |
| PATERSON, Alexander Nicholas RESIGNED | Secretary | 10 Jun 2003 | 30 Nov 2007 | | | 92 Addison Gardens, London, W14 0DR |
| ALDWYCH SECRETARIES LIMITED RESIGNED | Secretary | 10 Sep 2009 | 13 Nov 2024 | | | 125, Wood Street, London, EC2V 7AW, United Kingdom |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 10 Jun 2003 | 10 Jun 2003 | | | 26, Church Street, London, NW8 8EP |
| BIRCH, Philip Lloyd RESIGNED | Director | 15 Jul 2003 | 31 Jul 2009 | England | May 1958 | Old Pockford Cottage, Vann Lane, Chiddingfold, Surrey, GU8 4XU |
| BRISTER, David John RESIGNED | Director | 23 Dec 2010 | 15 Feb 2012 | United Kingdom | September 1962 | Units 5/17, City Business Centre, Brighton Road, Horsham, West Sussex, RH13 5BB, England |
| CARO, Colin, Professor RESIGNED | Director | 15 Jul 2003 | 14 Dec 2011 | United Kingdom | October 1925 | 7 Parkfields, London, SW15 6NH |
| CARTMELL, Simon Christopher RESIGNED | Director | 14 Jan 2015 | 12 Dec 2018 | England | January 1960 | 9400, Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |
| CHESHIRE, Nicholas, Professor RESIGNED | Director | 04 Dec 2003 | 09 Mar 2010 | United Kingdom | January 1962 | 18 Harmood Street, London, NW1 8DJ |
| CHRISTOU, Victor, Dr. RESIGNED | Director | 17 Oct 2007 | 11 May 2009 | United Kingdom | February 1966 | 10, Warwick Close, Abingdon, Oxfordshire, OX14 2HN |
| EDWARDS, Alan RESIGNED | Director | 15 Dec 2005 | 09 Mar 2010 | Wales | February 1948 | Barnfold, Llanfair D.C., Ruthin, Denbigshire, LL15 2RU |
| EYERS, Rob RESIGNED | Director | 12 Dec 2018 | 10 Nov 2022 | Ireland | October 1969 | Veryan Medical Limited, Block 5, Parkmore East Business Park, Galway, H91 V0TX, Ireland |
| GILSON, Paul RESIGNED | Director | 15 Dec 2005 | 31 Mar 2017 | Ireland | May 1957 | Uggool, Moycullen, County Galway, IRISH, Eire |
| GRAVES, Brian Clive RESIGNED | Director | 15 Jul 2003 | 01 Aug 2004 | United Kingdom | November 1955 | Clock Cottage, Stud Green, Holyport, Berkshire, SL6 2JH |
| HOLDEN, John Peter Stefano RESIGNED | Director | 12 Sep 2007 | 09 Nov 2012 | England | September 1966 | Hulse Ground Farm, Little Faringdon, Lechlade, Gloucestershire, GL7 3QR |
| JUMP, Jeff RESIGNED | Director | 17 Apr 2012 | 20 Mar 2018 | Switzerland | March 1959 | 42, Chemin De Trembley, 1197 Prangins - Vd, Switzerland |
| MARSHALL, Valerie Margaret RESIGNED | Director | 01 Aug 2004 | 12 Sep 2007 | England | March 1945 | 6 Egdean Walk, Sevenoaks, Kent, TN13 3UQ |
| O'CONNELL, Alan William, Dr RESIGNED | Director | 09 Mar 2010 | 12 Dec 2018 | Ireland | April 1968 | 9400, Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |
| O'NEILL, Grant James RESIGNED | Director | 22 Feb 2006 | 23 Jul 2008 | | May 1974 | 238b Randolph Avenue, London, W9 1PF |
| PITCHFORD, Nigel Aaron RESIGNED | Director | 09 Nov 2012 | 03 Oct 2018 | United Kingdom | October 1969 | 52, Princes Gate, Exhibition Road, London, SW7 2PG, United Kingdom |
| POPE, Todd Mcneil RESIGNED | Director | 17 Apr 2012 | 14 Jan 2015 | Usa | September 1965 | 635, Davis Drive, Suite 300, Morrisville, NC 27560, Usa |
| STEWART, Alastair John RESIGNED | Director | 17 Apr 2012 | 17 Dec 2013 | United Kingdom | November 1983 | 201, Cumnor Hill, Oxford, OX2 9PJ, United Kingdom |
| TODD, Rebecca Thirza RESIGNED | Director | 09 Mar 2010 | 23 Dec 2010 | United Kingdom | March 1973 | 9400, Garsington Road, Ocford Business Park, Oxford, OX4 2HN |
| TOTTY, James Thomas, Dr RESIGNED | Director | 23 Jul 2008 | 08 Jun 2009 | England | February 1971 | 83, Faraday Road, Wimbledon, London, SW19 8PE |
| VERNON, Geoffrey Nicholas, Dr RESIGNED | Director | 23 Jul 2008 | 31 May 2016 | England | March 1952 | Sampford Barton, Sampford Spiney, Yelverton, Devon, PL20 6LD, England |
| YEO, Nicholas Howard Grenville RESIGNED | Director | 12 Dec 2018 | 01 Aug 2022 | England | May 1952 | 9400, Garsington Road, Oxford Business Park, Oxford, Oxfordshire, OX4 2HN |
| YOSHIDA, Koji RESIGNED | Director | 12 Dec 2018 | 25 Sep 2019 | Japan | May 1971 | Otsuka Medical Devices Co. Ltd, Otsuka Kanda 2nd Building, 2-2 Kanda Tsukasa-Machi, Chiyoda-Ku, Tokyo, Japan |
| DORSEYLAW DIRECTORS LIMITED RESIGNED | Director | 10 Jun 2003 | 15 Jul 2003 | | | 21 Wilson Street, London, EC2M 2TD |
| INSTANT COMPANIES LIMITED RESIGNED | Nominee Director | 10 Jun 2003 | 10 Jun 2003 | | | 1, Mitchell Lane, Bristol, Avon, BS1 6BU |
| IP2IPO SERVICES LIMITED RESIGNED | Director | 15 Oct 2018 | 12 Dec 2018 | | | The Wallbrook Building, 25 Wallbrook, London, EC4N 8AF, United Kingdom |