| KUITEMS, Maurice Johannes ACTIVE | Secretary | 27 May 1997 | | | | Midden Duin En Daalseweg 27a, 2061 Ap Bloemendaal, Netherlands |
| MASON, Graham Melville ACTIVE | Director | 12 Feb 2019 | | England | June 1972 | Fluor Centre 140, Pinehurst Road, Farnborough, Hampshire, GU14 7BF |
| READ, Gary Richard ACTIVE | Director | 11 Feb 2021 | | England | November 1958 | Fluor Centre 140, Pinehurst Road, Farnborough, Hampshire, GU14 7BF |
| FISHER, Lawrence N RESIGNED | Secretary | 25 Mar 1997 | 16 Oct 2007 | | | 4240 Prescott Avenue 8 F, Dallas, Texas, United States Of America |
| HANCOCK, Nigel Leslie RESIGNED | Secretary | 10 May 1992 | 10 Dec 1993 | | | 155 Woodford Road, Woodford, Stockport, Cheshire, SK7 1QD |
| STRUKELJ, Mark RESIGNED | Secretary | 03 Jan 1995 | 27 May 1997 | | | Glasnor Charters Road, Sunningdale, Ascot, Berkshire, SL5 9QF |
| THOMAS, Brian RESIGNED | Secretary | 10 Dec 1993 | 03 Jan 1995 | | | 25 Beechwood Road, Beaconsfield, Buckinghamshire, HP9 1HP |
| CHOPRA, Robin Krishnan RESIGNED | Director | 27 May 1997 | 01 Mar 2008 | United Kingdom | May 1964 | Littlewood House, Mile Path, Hook Heath, Woking, Surrey, GU22 0DY |
| COBLE, Hugh Kenneth RESIGNED | Director | | 19 May 1997 | | September 1934 | 1941 Derby Drive, Satnta Ana, California 92705, Usa |
| DOBBS, Stephen, Dr RESIGNED | Director | 12 Sep 2005 | 13 Feb 2014 | | September 1956 | 6700 Las Colinas Blvd, Irving, Texas 75039, United States Of America |
| FENNY, Richard RESIGNED | Director | | 10 May 1992 | | February 1950 | Badgers Crossing, Lower Wokingham Road, Crowthorne, Berkshire, RG45 6DB |
| FLAHERTY, Patrick Paul RESIGNED | Director | 24 Sep 1999 | 10 May 2013 | United Kingdom | July 1955 | Rose Of Tralee, Reading Road, Hook, Hampshire, RG27 9EB |
| GALLAGHER, Ronald Gerrard RESIGNED | Director | 13 Jan 2000 | 09 Jul 2001 | | October 1947 | 22 South Lodge, Circus Road, London, NW8 9ES |
| GIBSON, David Lindsay RESIGNED | Director | 13 Jan 2009 | 10 May 2013 | | April 1962 | Ul. Bursztynowa 4, 44-100 Gliwice, Poland |
| GILBERT, Harold Steven RESIGNED | Director | 10 May 1992 | 03 Jan 1995 | | February 1948 | Flat 3, 49 Gloucester Square, London, W2 2TQ |
| GILBERT, Harold Steven RESIGNED | Director | | 10 May 1992 | | February 1948 | Flat 3, 49 Gloucester Square, London, W2 2TQ |
| GLENN, Gerald Marvin RESIGNED | Director | | 16 Jun 1994 | | August 1942 | 2 Point Ioma Corona Del Mar, California 92625, Usa, FOREIGN |
| HANCOCK, Nigel Leslie RESIGNED | Director | | 10 Dec 1993 | United Kingdom | May 1940 | 155 Woodford Road, Woodford, Stockport, Cheshire, SK7 1QD |
| HARRINGTON, Ivor RESIGNED | Director | 08 Aug 2005 | 15 Feb 2006 | | March 1965 | Garden Lodge, 2 Garden Road, London, NW8 9PP |
| KUITEMS, Maurice Johannes RESIGNED | Director | 20 May 1997 | 10 Sep 2025 | | May 1960 | Midden Duin En Daalseweg 27a, 2061 Ap Bloemendaal, Netherlands |
| MCKEE, Michael Joseph RESIGNED | Director | 04 Sep 2006 | 13 May 2013 | United Kingdom | June 1946 | 38 Cavendish Road, Barnet, Hertfordshire, EN5 4DZ |
| OLIVER, Charles RESIGNED | Director | 19 May 1997 | 13 Jan 2000 | | April 1943 | 1 Belgrave Mews West, London, SW1 |
| REES, Ashley Graham, Managing Director RESIGNED | Director | 10 May 2013 | 03 Apr 2019 | England | February 1965 | Fluor Centre 140, Pinehurst Road, Farnborough, Hampshire, GU14 7BF |
| SHARY, Shahab Thomas RESIGNED | Director | 02 Nov 2001 | 20 Apr 2005 | | April 1947 | 27 Yeomans Row, Knightsbridge, London, SW3 2AL |
| STRUKELJ, Mark RESIGNED | Director | 03 Jan 1995 | 27 May 1997 | | March 1956 | Glasnor Charters Road, Sunningdale, Ascot, Berkshire, SL5 9QF |
| THOMAS, Brian RESIGNED | Director | 10 Dec 1993 | 20 May 1997 | | November 1948 | 25 Beechwood Road, Beaconsfield, Buckinghamshire, HP9 1HP |
| THOMSON, Stewart Alexander RESIGNED | Director | | 03 Jan 1995 | | July 1949 | 3 Lincoln Street, London, SW3 2TS |
| TORRENCE, Wilson Mack RESIGNED | Director | 02 Nov 2001 | 15 Jan 2007 | | April 1941 | 2 Madison Lane, Coto De Caza, California 92679, Usa |
| WHITE, Keri Elizabeth RESIGNED | Director | 01 Mar 2008 | 11 Feb 2021 | England | April 1970 | Fluor Centre 140, Pinehurst Road, Farnborough, Hampshire, GU14 7BF |