| BENJAMIN, Rachel Abigail ACTIVE | Secretary | 10 Jun 2020 | | | | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| CHARIAG, Belgacem ACTIVE | Director | 01 May 2023 | | United States | September 1962 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| COOK, Linda ACTIVE | Director | 31 Mar 2021 | | United States | June 1958 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| ELVERMANN, Dirk, Dr. ACTIVE | Director | 03 Sep 2024 | | Germany | August 1971 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| FERGUSON, Alan ACTIVE | Director | 31 Mar 2021 | | England | January 1958 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| HENRY, Simon ACTIVE | Director | 01 Sep 2026 | | England | July 1961 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| HILL, Gregory Paul ACTIVE | Director | 01 Jan 2026 | | United States | March 1961 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| HOUGH, Elizabeth Louise ACTIVE | Director | 01 May 2023 | | England | November 1965 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| KRANE, Alexander Lorentzen ACTIVE | Director | 15 Apr 2021 | | Norway | March 1976 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| STEVENS, Anne Louise ACTIVE | Director | 31 Mar 2021 | | United States | December 1948 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| THOMAS, Robert Blair ACTIVE | Director | 31 Mar 2021 | | United States | July 1962 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| ØVRUM, Margareth ACTIVE | Director | 01 Apr 2021 | | Norway | September 1958 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| GIBB, Andrew George RESIGNED | Secretary | 01 Nov 2018 | 10 Jun 2020 | | | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| GIBB, Andrew George RESIGNED | Secretary | 18 Jan 2017 | 09 Apr 2018 | | | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| HUDDLE, Stephen Charles RESIGNED | Secretary | 13 Sep 2002 | 29 May 2015 | | | 23, Lower Belgrave Street, London, SW1W 0NR |
| RICKARD, Rachel Abigail RESIGNED | Secretary | 09 Apr 2018 | 01 Nov 2018 | | | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| RICKARD, Rachel Abigail RESIGNED | Secretary | 29 May 2015 | 18 Jan 2017 | | | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| DALGLEN SECRETARIES LIMITED RESIGNED | Nominee Secretary | 31 Jul 2002 | 13 Sep 2002 | | | Dalmore House, 310 St Vincent Street, Glasgow, Strathclyde, G2 5QR |
| ALIZAI, Mohamed Azam Khan RESIGNED | Director | 15 Jul 2003 | 21 Jul 2006 | | December 1931 | 10021 Bentcross Drive, Potomac, Montgomery, Md 20854, Usa |
| ALLAN, Robert Andrew RESIGNED | Director | 09 Dec 2003 | 25 Jun 2020 | United Kingdom | December 1959 | 23, Lower Belgrave Street, London, SW1W 0NR, United Kingdom |
| BAMFORD, Samuel Arnold David, Dr RESIGNED | Director | 01 May 2014 | 11 May 2016 | United Kingdom | May 1946 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| BLACKWOOD, David John RESIGNED | Director | 10 Aug 2017 | 31 Mar 2021 | United Kingdom | March 1954 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| CANNON, Anne Marie RESIGNED | Director | 01 Feb 2014 | 31 Oct 2022 | England | August 1957 | 23, Lower Belgrave Street, London, SW1W 0NR, United Kingdom |
| DARBY, Joseph RESIGNED | Director | 01 Sep 2007 | 17 May 2017 | England | July 1948 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| DOBBIE, Scott Jamieson RESIGNED | Director | 15 Jul 2003 | 06 Jun 2008 | | July 1939 | Centurian House, 24 Monument Street, London, EC3R 8AQ |
| DURRANT, Anthony Richard Charles RESIGNED | Director | 30 Jun 2005 | 16 Dec 2020 | United Kingdom | August 1958 | 23, Lower Belgrave Street, London, SW1W 0NR |
| EMERSON, Ronald Victor RESIGNED | Director | 15 Jul 2003 | 06 Jun 2008 | United Kingdom | February 1947 | The Reeds, Remenham Lane, Remenham, Henley On Thames, Oxfordshire, RG9 3DA |
| ENGEL, Hans-Ulrich, Dr. RESIGNED | Director | 03 Sep 2024 | 08 Jun 2026 | Germany | April 1959 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| FARRIS, George Steven RESIGNED | Director | 31 Mar 2021 | 10 May 2023 | United States | March 1948 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| FRANKLIN, Roy Alexander RESIGNED | Director | 01 Sep 2017 | 31 Mar 2021 | England | July 1953 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| GRAY, Ian RESIGNED | Director | 15 Jul 2003 | 21 Jul 2006 | | November 1938 | 9 Royal Avenue, Chelsea, London, SW3 4QE |
| HAWKINGS, Neil RESIGNED | Director | 23 Mar 2006 | 30 Jun 2016 | United Kingdom | March 1961 | 23, Lower Belgrave Street, London, SW1W 0NR |
| HENRY, Simon RESIGNED | Director | 31 Mar 2021 | 07 Jul 2025 | England | July 1961 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| HINKLEY, Ida Jane RESIGNED | Director | 01 Sep 2010 | 31 Dec 2019 | England | May 1950 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| HOPWOOD, Andrew RESIGNED | Director | 31 Mar 2021 | 08 May 2025 | England | February 1958 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| JAMIESON, Charles James Auldjo RESIGNED | Director | 13 Sep 2002 | 30 Jun 2005 | United Kingdom | September 1944 | Dipley Farm, Dipley Common, Hartley Wintney, Hants, RG27 8JS |
| JEREMIAH, Barbara RESIGNED | Director | 16 May 2019 | 30 Nov 2020 | United Kingdom | January 1952 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| JOHN, David Glyndwr, Sir RESIGNED | Director | 15 Jul 2003 | 15 Oct 2009 | | July 1938 | Kings Hill, Eastleach Turville, Cirencester, Gloucestershire, GL7 3NH |
| KIRK, Philip Andrew RESIGNED | Director | 31 Mar 2021 | 28 Feb 2022 | England | May 1966 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| LIDDELL, Richard RESIGNED | Director | 13 Sep 2002 | 20 Jan 2003 | | November 1947 | 14 Birds Hill Road, Oxshott, Surrey, KT22 0NJ |
| LINDSELL, David Clive RESIGNED | Director | 17 Jan 2008 | 17 May 2017 | United Kingdom | May 1947 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| LOCKETT, Simon Charles RESIGNED | Director | 09 Dec 2003 | 15 Aug 2014 | England | September 1964 | 23, Lower Belgrave Street, London, SW1W 0NR |
| LODGE, Andrew Geoffrey RESIGNED | Director | 20 Apr 2009 | 30 Jun 2015 | England | June 1956 | 23, Lower Belgrave Street, London, SW1W 0NR |
| MACDONALD, Iain Fraser RESIGNED | Director | 01 May 2016 | 31 Mar 2021 | England | September 1957 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| ORANGE, John Robert Wellwood RESIGNED | Director | 15 Jul 2003 | 20 May 2011 | United Kingdom | November 1942 | March House, Old School Road, Whepstead, Bury St Edmonds, Suffolk, Ip29 4ua, IP28 6LD |
| PROUST VAN HEESWIJK, Elisabeth RESIGNED | Director | 01 Apr 2020 | 31 Mar 2021 | France | January 1957 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| ROBERTS, David Gwyn, Professor RESIGNED | Director | 28 Jun 2006 | 04 Jul 2013 | France | April 1943 | Courtyard House 8 Pelhams Walk, Esher, Surrey, KT10 8QD |
| ROMIEU, Michel RESIGNED | Director | 17 Jan 2008 | 11 May 2016 | Belgium | November 1939 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| ROSE, Richard Andrew RESIGNED | Director | 08 Sep 2014 | 15 Apr 2021 | England | November 1972 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| VAN DER WELLE, John Alexander RESIGNED | Director | 13 Sep 2002 | 30 Jun 2005 | United Kingdom | May 1955 | Northlands 22 Sandpit Lane, St. Albans, Hertfordshire, AL1 4HL |
| WELTON, Michael William RESIGNED | Director | 01 Jun 2009 | 01 Sep 2017 | England | October 1946 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| WHEELER, Michael RESIGNED | Director | 10 Aug 2017 | 31 Mar 2021 | England | November 1951 | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| DALGLEN DIRECTORS LIMITED RESIGNED | Nominee Director | 31 Jul 2002 | 13 Sep 2002 | | | Dalmore House, 310 St Vincent Street, Glasgow, Strathclyde, G2 5QR |