| JONES, Simon Howard ACTIVE | Secretary | 21 Sep 2012 | | | | 25, Victoria Street, London, SW1H 0EX |
| BRECKENRIDGE, Thomas ACTIVE | Director | 05 Nov 2025 | | Japan | April 1980 | 25, Victoria Street, London, SW1H 0EX |
| GULVIN, Liam ACTIVE | Director | 28 Feb 2025 | | England | July 1987 | 25, Victoria Street, London, SW1H 0EX |
| KNICKMAN, Lauren ACTIVE | Director | 14 Jun 2023 | | United States | July 1982 | 25, Victoria Street, London, SW1H 0EX |
| MCNEIL, Ian Niven ACTIVE | Director | 07 Dec 2016 | | United Kingdom | March 1966 | 25, Victoria Street, London, SW1H 0EX |
| QUIN, Jeremy, Sir ACTIVE | Director | 24 Nov 2025 | | England | September 1968 | 25, Victoria Street, London, SW1H 0EX |
| CATRON, John Adams RESIGNED | Secretary | 06 Jul 2011 | 21 Sep 2012 | | | 25, Victoria Street, London, SW1H 0EX |
| JOHNSON, James Clarence RESIGNED | Secretary | 02 Aug 2002 | 30 Apr 2003 | | | 2314 North Lincoln Park 16n, Chicago, Illionois, FOREIGN |
| LANDGRAF, Laurie RESIGNED | Secretary | 30 Apr 2003 | 10 Sep 2004 | | | 55 Sylvester, Webster Groves, Missouri 63119 |
| LE BAR, Paul RESIGNED | Secretary | 10 Sep 2004 | 29 Sep 2006 | | | 3469 Wilderness Drive, Edwardsville, Illinois 62025, Usa |
| LEBAR, Paul RESIGNED | Secretary | 21 Apr 1999 | 04 Sep 2000 | | | 317 Clayton Oaks Drive, Ellisville, Missouri Usa 63011-2010 |
| PARKINSON, Lorraine RESIGNED | Secretary | 30 Mar 1998 | 21 Apr 1999 | | | 123 Mays Lane, Fareham, Hampshire, PO14 2ED |
| SEELE, Stephen RESIGNED | Secretary | 04 Sep 2000 | 02 Aug 2002 | | | 219 E Swon Avenue, Webster Groves, Missouri, 63119 |
| TREVERTON, Paul Benjamin RESIGNED | Secretary | | 20 Mar 1996 | | | 6 Abbotsgate, Kirkby Lonsdale, Carnforth, Lancashire, LA6 2JS |
| TU, Amy RESIGNED | Secretary | 17 Oct 2006 | 06 Jul 2011 | | | Flat 1, 116 Gloucester Avenue, London, NW1 8HX, United Kingdom |
| WARD DYER, Robert Francis George RESIGNED | Secretary | 31 Jul 1996 | 03 Jun 1997 | | | 27 Foster Road, Chiswick, London, W4 4NY |
| WHITLEY, David Norman RESIGNED | Secretary | 20 Mar 1996 | 31 Jul 1996 | | | 3 Leigh Park, Datchet, Slough, Berkshire, SL3 9JP |
| ARTHUR, Michael Anthony, Sir RESIGNED | Director | 03 Sep 2014 | 18 Jul 2019 | United Kingdom | August 1950 | 25, Victoria Street, London, SW1H 0EX |
| AULT, Lloyd Eldon RESIGNED | Director | 29 Nov 1996 | 12 Mar 1999 | | February 1935 | 7 Hawkin Grove, Crookham Village, Hampshire, GU13 8T |
| BAILEY, Jonathan Bernard Appleton, Dr RESIGNED | Director | 13 Apr 2007 | 06 Nov 2013 | Uk | April 1951 | 25, Victoria Street, London, SW1H 0EX |
| BASHOO, Faris RESIGNED | Director | 04 Apr 2000 | 27 May 2015 | | September 1952 | 25, Victoria Street, London, SW1H 0EX |
| BIRD, William John RESIGNED | Director | 29 Nov 1996 | 21 Apr 1999 | England | April 1952 | 11 Gardeners Hill Road, Wrecclesham, Farnham, Surrey, GU10 4RL |
| BLACK, James Wesley RESIGNED | Director | 31 Dec 2007 | 30 Jan 2009 | | March 1949 | 3 Woodbank Avenue, Gerrards Cross, Buckinghamshire, SL9 7PY |
| BONE, Roger Bridgland, Sir RESIGNED | Director | 23 Jan 2009 | 30 Sep 2014 | United Kingdom | July 1944 | 25, Victoria Street, London, SW1H 0EX |
| BOYCE, Michael Thomas RESIGNED | Director | 15 Mar 1999 | 15 Mar 2000 | | March 1945 | 3811 Mcdonald, St Louis, Missouri, 63116, Usa |
| BURNELL, Stephen John RESIGNED | Director | 06 Nov 2013 | 05 Nov 2025 | United Kingdom | April 1963 | 25, Victoria Street, London, SW1H 0EX |
| DENNIS, Jason RESIGNED | Director | 22 Aug 2008 | 06 Nov 2013 | | December 1958 | 25, Victoria Street, London, SW1H 0EX |
| DONNELLY, Martin Eugene, Sir RESIGNED | Director | 18 Jul 2019 | 27 Oct 2022 | England | June 1958 | 25, Victoria Street, London, SW1H 0EX |
| FREEMAN, James Lamar Jr RESIGNED | Director | 13 Apr 2007 | 31 Dec 2007 | | December 1960 | Holmray, The Green Iron Acton, Bristol, Avon, BS37 9TQ |
| GRIFFITHS, Mark RESIGNED | Director | 15 Jul 2018 | 31 May 2024 | England | July 1981 | 25, Victoria Street, London, SW1H 0EX |
| HANLEY, Kevin Joseph RESIGNED | Director | 12 Apr 2001 | 20 Nov 2001 | | March 1948 | 1148 Domotier Dr, Ballwin, Missouri 63011, Usa |
| HARVEY, Ross RESIGNED | Director | 06 Nov 2013 | 12 Mar 2019 | United Kingdom | January 1972 | 25, Victoria Street, London, SW1H 0EX |
| HIGGINS, Gregory A RESIGNED | Director | 30 Mar 1998 | 04 Sep 2000 | | September 1945 | 2731 Tritt Springs Drive, Marietta Cobb Ga 30062, Usa, FOREIGN |
| JOHNSON, Allan Howie Stanley RESIGNED | Director | | 06 Dec 1996 | | April 1947 | Little Grange, Hinton Road, Hurst, Berkshire, RG10 0BP |
| JONES, George RESIGNED | Director | 29 Nov 1996 | 24 Jun 1997 | | December 1932 | 21059 Via Coronado, Yorba Linda California 92887, Usa, FOREIGN |
| KEELING, Anna RESIGNED | Director | 12 Mar 2019 | 11 Jan 2023 | United Kingdom | February 1975 | 25, Victoria Street, London, SW1H 0EX |
| KENDLE, Louise RESIGNED | Director | 29 Nov 1996 | 14 Dec 1998 | | September 1951 | 12200 Montecito Road Unit L 107, Seal Beach 90740 California, Usa, FOREIGN |
| KURTH, Michael Mark RESIGNED | Director | 31 Dec 2007 | 17 Jan 2013 | | September 1949 | 25, Victoria Street, London, SW1H 0EX |
| LAINE, Maria RESIGNED | Director | 27 Oct 2022 | 05 Nov 2025 | England | April 1968 | 25, Victoria Street, London, SW1H 0EX |
| LANDGRAF, Laurie RESIGNED | Director | 02 Aug 2002 | 10 Sep 2004 | | November 1958 | 55 Sylvester, Webster Groves, Missouri 63119 |
| LE BAR, Paul RESIGNED | Director | 10 Sep 2004 | 29 Sep 2006 | | March 1964 | 3469 Wilderness Drive, Edwardsville, Illinois 62025, Usa |
| LEBAR, Paul RESIGNED | Director | 14 Dec 1998 | 04 Sep 2000 | | March 1964 | 317 Clayton Oaks Drive, Ellisville, Missouri Usa 63011-2010 |
| LEWINDON, Keith John RESIGNED | Director | 30 Apr 2003 | 13 Apr 2007 | | September 1949 | 24 Trenchard Avenue, Halton, Aylesbury, Buckinghamshire, HP22 5PP |
| LUCKHURST, Stanley Thomas RESIGNED | Director | | 06 Dec 1996 | England | August 1938 | 8 Ridgeway, Wargrave, Reading, RG10 8AS |
| MCKENNEY, Samuel Scott RESIGNED | Director | | 31 Dec 1992 | | April 1933 | 1611 Tiffany Drive, Pittsburgh Pennsylvania 15241, FOREIGN, Usa |
| MORGAN, Clive Richard RESIGNED | Director | 02 Apr 2012 | 07 Dec 2016 | United Kingdom | February 1951 | 25, Victoria Street, London, SW1H 0EX |
| PALAGYI, Paul S RESIGNED | Director | 21 Apr 1999 | 12 Apr 2001 | | January 1952 | 337 Ompoa Drive, Lawrenceville, Georgia 30041, FOREIGN, America |
| PARKER, Stephen Kenneth RESIGNED | Director | 18 May 2021 | 13 Nov 2024 | United States | July 1971 | 25, Victoria Street, London, SW1H 0EX |
| PARKINSON, Lorraine RESIGNED | Director | 30 Mar 1998 | 21 Apr 1999 | | March 1966 | 123 Mays Lane, Fareham, Hampshire, PO14 2ED |
| PERRY, Laura May RESIGNED | Director | 20 Jan 2023 | 12 Feb 2025 | England | December 1986 | 25, Victoria Street, London, SW1H 0EX |
| PIDSLEY, Ralph Leo RESIGNED | Director | 06 Nov 2013 | 19 Jun 2018 | United Kingdom | July 1963 | 25, Victoria Street, London, SW1H 0EX |
| PITCHFORTH, David John RESIGNED | Director | 02 Apr 2012 | 29 Mar 2019 | United Kingdom | April 1965 | 25, Victoria Street, London, SW1H 0EX |
| POTTER, Alan RESIGNED | Director | 17 Jun 2019 | 03 Jun 2020 | England | January 1965 | 25, Victoria Street, London, SW1H 0EX |
| ROAL, Terry W RESIGNED | Director | 21 Apr 1999 | 01 Apr 2001 | | June 1945 | 8 Sheraton Close, Elstree, Borehamwood, Hertfordshire, WD6 3PZ |
| SEELE, Stephen RESIGNED | Director | 04 Sep 2000 | 02 Aug 2002 | | January 1960 | 219 E Swon Avenue, Webster Groves, Missouri, 63119 |
| SHARE, James Thomas RESIGNED | Director | 24 Jun 1997 | 21 Apr 1999 | | March 1943 | 2554 N Courtland Street, Orange, California, 92867, Us |
| SIKORA, Richard Gerard RESIGNED | Director | 17 Feb 2014 | 14 Feb 2023 | United States | March 1963 | 25, Victoria Street, London, SW1H 0EX |
| SIMMONS, Alan Derek RESIGNED | Director | | 06 Dec 1996 | | December 1946 | 18 Bayliss Road, Wargrave, Reading, Berkshire, RG10 8DR |
| STEPHENS, Richard Dennis RESIGNED | Director | 24 Jun 1997 | 27 Feb 1998 | | July 1952 | 18711 Roseneau Drive, Villa Park, California, USA |
| SUTTON, David Riley RESIGNED | Director | 20 Nov 2001 | 13 Apr 2007 | | February 1950 | 1505 Silver Valley Court, Wentzville, Missouri, 63385, Usa |
| THOMAS, Randall RESIGNED | Director | 04 Jan 1993 | 07 Sep 1996 | | January 1949 | Lower Read Wood, Read, Burnley, Lancashire, BB12 7RX |
| TREVERTON, Paul Benjamin RESIGNED | Director | | 07 Sep 1996 | | April 1947 | 6 Abbotsgate, Kirkby Lonsdale, Carnforth, Lancashire, LA6 2JS |
| TU, Shih Feng Amy RESIGNED | Director | 17 Oct 2006 | 22 Aug 2008 | | June 1967 | 3a Albert Terrace, London, NW1 7SU |
| WAINWRIGHT, Richard Lee RESIGNED | Director | 07 Dec 2016 | 21 Jun 2018 | England | June 1967 | 25, Victoria Street, London, SW1H 0EX |
| WHITNEY, Nicholas Charles RESIGNED | Director | 27 May 2015 | 16 Apr 2019 | England | January 1962 | 25, Victoria Street, London, SW1H 0EX, United Kingdom |
| WILLIAMSON, Gary RESIGNED | Director | 30 Mar 1998 | 15 Mar 1999 | | November 1948 | 345 Grand Avenue, Suwanee Ga 30024, Usa, FOREIGN |