| PHILIPS, Jacqueline Louise, Dr ACTIVE | Secretary | 24 Apr 2023 | | | | 123 Old Brompton Road, London, SW7 3RP |
| HELIN, Kristian ACTIVE | Director | 14 Apr 2023 | | England | April 1962 | 123 Old Brompton Road, London, SW7 3RP |
| NORRIS, Paul Francis Walter ACTIVE | Director | 01 Oct 2008 | | England | February 1968 | 123 Old Brompton Road, London, SW7 3RP |
| SHAKESHAFT, John Charles ACTIVE | Director | 01 Jul 2021 | | England | May 1954 | 123 Old Brompton Road, London, SW7 3RP |
| BENNETT, Elizabeth Anne RESIGNED | Secretary | 25 Jul 2001 | 14 Sep 2017 | | | 87 Chesson Road, London, W14 9QS |
| FINNEY, Victoria Jane RESIGNED | Secretary | 15 Sep 2017 | 11 Dec 2019 | | | 123 Old Brompton Road, London, SW7 3RP |
| NORTH, Magda Amy RESIGNED | Secretary | 23 Apr 2020 | 14 Mar 2023 | | | 123 Old Brompton Road, London, SW7 3RP |
| SHARPE, Eva Rachel, Dr RESIGNED | Secretary | 12 Dec 2019 | 23 Apr 2020 | | | 123 Old Brompton Road, London, SW7 3RP |
| WYNNE, Patrick Joseph RESIGNED | Secretary | 29 Apr 1999 | 01 Feb 2001 | | | 123 Old Brompton Road, London, SW7 3RP |
| TYROLESE (SECRETARIAL) LIMITED RESIGNED | Nominee Secretary | 11 Dec 1998 | 29 Apr 1999 | | | 66 Lincoln's Inn Fields, London, WC2A 3LH |
| COTTRELL, Edward Alexander Campbell RESIGNED | Director | 29 Feb 2000 | 30 Sep 2008 | England | July 1959 | 45 Redburn Street, London, SW3 4DA |
| FARINGDON, Charles Michael, Lord RESIGNED | Director | 18 May 1999 | 13 Jun 2000 | England | July 1937 | Buscot Park, Faringdon, Oxon, SN7 8BU |
| GRAF VON SCHWEINITZ, Konstantin Nikolaus Hans RESIGNED | Director | 01 Oct 2008 | 31 Dec 2014 | United Kingdom | March 1961 | Flat 14, 8 Chelsea Embankment, London, SW3 4LE |
| GRIFFITHS, Charmaine Helen, Dr RESIGNED | Director | 15 Feb 2016 | 31 Jan 2020 | England | December 1974 | 123, Old Brompton Road, London, SW7 3RP, England |
| HEAPHY, Clive Andrew RESIGNED | Director | 01 Jun 2012 | 31 May 2017 | England | June 1961 | 123, Old Brompton Road, London, SW7 3RP, England |
| KEEMER, Peter John Charles RESIGNED | Director | 29 Apr 1999 | 02 Jan 2001 | | January 1932 | How Green Cottage, How Lane, Chipstead, Surrey, CR5 3LL |
| KIPLING, Jonathan Mark RESIGNED | Director | 29 Apr 1999 | 31 Dec 2009 | England | December 1951 | 123 Old Brompton Road, London, SW7 3RP |
| LIGHTLY, Anthony Edward RESIGNED | Director | 02 Jan 2001 | 31 Dec 2005 | England | June 1946 | 5 Quarry Hills Lane, Leyburn, North Yorkshire, DL8 5EJ |
| O'NEILL, Brendan Richard, Dr RESIGNED | Director | 01 Jan 2015 | 28 Feb 2021 | United Kingdom | December 1948 | 123, Old Brompton Road, London, SW7 3RP, England |
| SCIVIER, Catherine RESIGNED | Director | 01 Jan 2010 | 31 Jan 2016 | England | March 1962 | 123, Old Brompton Road, London, SW7 3RP |
| STEWART, Gordon RESIGNED | Director | 14 Dec 2020 | 14 Apr 2023 | England | March 1966 | 123 Old Brompton Road, London, SW7 3RP |
| SURRIDGE, Steven Robert RESIGNED | Director | 01 Feb 2020 | 31 Aug 2021 | England | May 1961 | 123 Old Brompton Road, London, SW7 3RP |
| WHITEHEAD, Andrew Peter RESIGNED | Director | 03 Sep 2001 | 21 Dec 2007 | England | November 1963 | 34 Illingworth Way, Enfield, Middlesex, EN1 2PA |
| WOLSTENHOLME, Andrew William Lewis RESIGNED | Director | 01 Apr 2006 | 31 Oct 2011 | England | March 1959 | Gibraltar Farm, Firle, Lewes, Sussex, BN8 6NB |
| WYNNE, Patrick Joseph RESIGNED | Director | 29 Apr 1999 | 01 Feb 2001 | | October 1960 | 123 Old Brompton Road, London, SW7 3RP |
| TYROLESE (DIRECTORS) LIMITED RESIGNED | Nominee Director | 11 Dec 1998 | 29 Apr 1999 | | | 66 Lincoln's Inn Fields, London, WC2A 3LH |
| TYROLESE (SECRETARIAL) LIMITED RESIGNED | Nominee Director | 11 Dec 1998 | 29 Apr 1999 | | | 66 Lincoln's Inn Fields, London, WC2A 3LH |