| KAHANOV, Sharon Hana ACTIVE | Secretary | 01 Jun 2020 | | | | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| GROSSE, Robin ACTIVE | Director | 20 Oct 2025 | | United Kingdom | January 1984 | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| STAPEL, Jens Alexander ACTIVE | Director | 10 Jul 2025 | | United Kingdom | February 1971 | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| CARLESS, Helen Claire RESIGNED | Secretary | 31 May 2012 | 01 Aug 2016 | | | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD, United Kingdom |
| COLLIN, Neil Proctor RESIGNED | Secretary | 01 Aug 1995 | 06 Mar 1996 | | | 11a Long Copse, Astley Village, Chorley, Lancashire, PR7 1TH |
| DAVINA, Simone Eufemia Agatha RESIGNED | Secretary | 02 Aug 2016 | 01 Jun 2020 | | | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| EDMONDSON, Martin Richard RESIGNED | Secretary | 31 Jan 1995 | 31 Jul 1995 | | | 3 Beeston Road, Sale, Cheshire, M33 5AQ |
| GENT, Gerard Thomas RESIGNED | Secretary | 04 Jan 2006 | 31 Jan 2012 | | | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| THORNTON, Richard James RESIGNED | Secretary | | 31 Jan 1995 | | | The Old Farm, Nant Alyn Road Rhydymwyn, Mold, Flintshire, CH7 5HQ |
| TURNBULL, Niall Mackenzie RESIGNED | Secretary | 07 Mar 1996 | 04 Jan 2006 | | | 12 Fallowfield Drive, Barton Under Needwood, Staffordshire, DE13 8DH |
| BERNHARD, Hubertus RESIGNED | Director | 30 Jun 2008 | 28 Jul 2009 | | October 1961 | 8, Gartnerstrasse, Regensburg, 93059, Germany |
| COOPER, Keith Arthur RESIGNED | Director | 01 Jul 1992 | 30 Jun 1994 | | September 1950 | 17 Winstanley Close, Freshbrook, Swindon, Wiltshire, SN5 8RR |
| CURRIE, James RESIGNED | Director | 13 Aug 2021 | 07 May 2025 | United Kingdom | May 1966 | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| DUNN, Leslie RESIGNED | Director | 15 May 1995 | 29 Jul 1996 | | June 1948 | 8 Barnscroft, Sutton Coldfield, West Midlands, B74 3BW |
| EDMONDSON, Martin Richard RESIGNED | Director | | 31 Jul 1995 | | February 1960 | 3 Beeston Road, Sale, Cheshire, M33 5AQ |
| ENNIS, Carl Christopher RESIGNED | Director | 13 May 2025 | 20 Oct 2025 | United Kingdom | November 1968 | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| FISHER, Paul Henry RESIGNED | Director | 01 May 2013 | 04 May 2021 | United Kingdom | July 1955 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD, United Kingdom |
| FORSYTH, Thomas Michael RESIGNED | Director | 19 Feb 1991 | 30 Jun 1995 | | June 1935 | 9 Castleford Drive, Prestbury, Macclesfield, Cheshire, SK10 4BG |
| GLEW, Barry James RESIGNED | Director | 24 Sep 2008 | 30 Apr 2013 | United Kingdom | April 1964 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| GOSS, Andreas Josef RESIGNED | Director | 30 Jun 2008 | 31 Dec 2011 | Uk | March 1964 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| KIDD, Alan Lister RESIGNED | Director | | 19 Dec 1992 | | April 1935 | 35 Hastings Road, Birkdale, Southport, Merseyside, PR8 2LN |
| KIEHLE, Uwe Klaus RESIGNED | Director | 28 Jul 2009 | 31 Aug 2015 | Germany | March 1963 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| KIEHLE, Uwe Klaus RESIGNED | Director | 04 Jan 2006 | 19 Jun 2008 | Germany | March 1963 | Blumenstr 4b, Behringsdorf, Schwaig B Nbg, 90571, Germany |
| KITCHEN, Andrew RESIGNED | Director | 01 Aug 1994 | 04 Jan 2006 | United Kingdom | June 1963 | Orrick House, 24 Gayton Lane Gayton, Wirral, Merseyside, CH60 3SJ |
| KOEHLER, Juergen RESIGNED | Director | 04 Jan 2006 | 07 Dec 2006 | | August 1956 | Apartment 6, 17 Heath Road, Hale, Cheshire, WA14 2UJ |
| MAHER, Paul RESIGNED | Director | 10 Dec 2011 | 16 Jun 2016 | England | March 1957 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| MAIER, Juergen Wolfgang, Professor RESIGNED | Director | 11 Dec 2006 | 10 Dec 2011 | United Kingdom | January 1964 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| MATHUR, Sunil Dass RESIGNED | Director | 04 Jan 2006 | 01 Jul 2008 | | January 1963 | 1 Le More, Sutton Coldfield, West Midlands, B74 2XY |
| MATTHE, Andreas RESIGNED | Director | 01 Oct 2010 | 16 Jun 2016 | Germany | May 1962 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| MORRIS, David John RESIGNED | Director | | 31 Mar 1995 | | August 1947 | 7 Southdowns, Knutsford, Cheshire, WA16 8ND |
| MURNIEKS, James Erik RESIGNED | Director | 13 May 2025 | 10 Jul 2025 | England | December 1977 | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| NORMAN, David Howard RESIGNED | Director | 07 Sep 1995 | 31 Dec 2000 | United Kingdom | May 1953 | Oakwater, 15 Bexton Lane, Knutsford, Cheshire, WA16 9BW |
| PETERS, Robert James RESIGNED | Director | 16 Jun 2016 | 30 May 2025 | England | March 1966 | Pinehurst 2, Pinehurst Road, Farnborough, Hampshire, GU14 7BF, United Kingdom |
| SANSBURY, Neil Albert RESIGNED | Director | 10 Dec 2011 | 13 Oct 2015 | United Kingdom | March 1967 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD, United Kingdom |
| SCHNEIDER, Godehardt Wolfgang RESIGNED | Director | 04 Jan 2006 | 01 Oct 2009 | | August 1951 | 48, Kieferndorfer Weg, Hoechstadt, 91315, Germany |
| SHIMWELL, Lee Michael RESIGNED | Director | 01 Jul 2008 | 10 Dec 2011 | United Kingdom | September 1973 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| STARK, Paulo Ricardo RESIGNED | Director | 01 Oct 2009 | 01 Oct 2010 | Germany | November 1968 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD |
| THOMAS, Christopher John RESIGNED | Director | 14 Sep 1994 | 01 Jan 2009 | United Kingdom | April 1955 | Whateley House, 9 Wheatley Green Four Oaks, Sutton Coldfield, West Midlands, B74 2RL |
| TODD, Dennis William RESIGNED | Director | | 19 Sep 1996 | | March 1938 | The Malvern Suite The Grange, Grange Park Old Birmingham Road, Bromsgrove, Worcestershire, B60 1RB |
| TOOTILL, Peter RESIGNED | Director | 01 Mar 1993 | 19 Sep 1996 | | February 1940 | 1 Oakfield Avenue, Carrbrook, Stalybridge, Cheshire, SK15 3NG |
| TURNBULL, Niall Mackenzie RESIGNED | Director | 29 Jul 1996 | 04 Jan 2006 | | September 1963 | 12 Fallowfield Drive, Barton Under Needwood, Staffordshire, DE13 8DH |
| WARD, David RESIGNED | Director | 07 Sep 1995 | 09 Apr 1997 | | May 1946 | Sails 23 Stoneleigh Avenue, Patcham, Brighton, East Sussex, BN1 8NP |
| WHITE, Thomas Andrew RESIGNED | Director | 01 Oct 2007 | 31 Mar 2008 | England | April 1959 | Spring House, 12 Norton Park Sunninghill, Ascot, Berkshire, SL5 9BW, England |
| WILLDER, Bernard Michael RESIGNED | Director | | 30 Apr 1993 | United Kingdom | March 1944 | 12 Rainford Avenue, Timperley, Altrincham, Cheshire, WA15 7TH |
| WOOD, Alan John RESIGNED | Director | 04 Jan 2006 | 01 Oct 2007 | United Kingdom | March 1947 | Fairmont, Eriswell Road, Walton On Thames, Surrey, KT12 5BW |