| BARTLETT, Matthew Peter ACTIVE | Secretary | 01 May 2026 | | | | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| BARTLETT, Matthew Peter ACTIVE | Director | 01 Feb 2026 | | United Kingdom | October 1974 | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| GRIEDER, René ACTIVE | Director | 28 Sep 2018 | | Switzerland | January 1979 | Zehnder Group International Ag, Moortalstrasse 1, 5722, Graenichen, Switzerland |
| HÜNERWADEL, Matthias Peter ACTIVE | Director | 21 Jan 2020 | | Switzerland | February 1968 | Moortalstrasse 1, 5722, Gränichen, Switzerland |
| TWOHIG, Michael Anthony ACTIVE | Director | 29 Jun 2009 | | United Kingdom | September 1962 | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| BROWN, Debra Sue RESIGNED | Secretary | 04 Jul 2001 | 25 Sep 2008 | | | 2 Pavilion Road, Aldershot, Hampshire, GU11 3PB |
| COURTNEY, Mark Andrew RESIGNED | Secretary | 25 Sep 2008 | 01 Oct 2010 | | | 1, St. Hughes Close, Daventry, Northamptonshire, NN11 4TX, United Kingdom |
| ENSTONE, Francis William RESIGNED | Secretary | 27 Feb 2001 | 04 Jul 2001 | | | 78 Sunderton Lane, Clanfield, Waterlooville, Hampshire, PO8 0NT |
| ENSTONE, Francis William RESIGNED | Secretary | | 31 Dec 2000 | | | 78 Sunderton Lane, Clanfield, Waterlooville, Hampshire, PO8 0NT |
| GOSDEN, Doreen May RESIGNED | Secretary | 01 Oct 2010 | 01 May 2026 | | | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| AESCHIMANN, Paul Ralph RESIGNED | Director | 11 Jun 1998 | 28 Jun 2005 | | December 1952 | Oberwiberg 21, St Erhard, 6212, FOREIGN, Switzerland |
| BOLLMANN, Johannes Peter RESIGNED | Director | 06 Nov 2025 | 25 Sep 2026 | Switzerland | May 1982 | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| CONNOR, Walter Joseph RESIGNED | Director | | 31 Oct 1995 | | July 1945 | 29 Sydney Parade Avenue, Dublin 4, IRISH, Eire |
| COURTNEY, Mark Andrew RESIGNED | Director | 25 Sep 2008 | 01 Oct 2010 | United Kingdom | December 1969 | 1, St. Hughes Close, Daventry, Northamptonshire, NN11 4TX, United Kingdom |
| DUNPHY, Barry Thomas RESIGNED | Director | | 14 Feb 1996 | | January 1942 | Torca Hill Torca Road, Dalkey, Dublin, Eire |
| ENSTONE, Francis William RESIGNED | Director | | 11 Jun 1998 | England | April 1938 | 78 Sunderton Lane, Clanfield, Waterlooville, Hampshire, PO8 0NT |
| FOTHERINGHAM, William Stewart RESIGNED | Director | 25 Apr 1996 | 16 Mar 1998 | | December 1938 | Briar Holme Carr Lane, Hatfield, Doncaster, South Yorkshire, DN7 6ET |
| FOWLER, Michael RESIGNED | Director | 26 Jan 1994 | 16 Mar 1998 | | December 1941 | Charnwood 43 Oakleigh Avenue, Hallow, Worcester, WR2 6NG |
| GOSDEN, Doreen May RESIGNED | Director | 01 Sep 2010 | 01 May 2026 | United Kingdom | May 1969 | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| HERBERT, Brain Stuart RESIGNED | Director | 25 Sep 2008 | 30 Jun 2009 | | May 1957 | 36, Huntsmans Meadow, Ascot, Berkshire, SL5 7PF |
| LEE, Brian Anthony RESIGNED | Director | 01 Jul 1992 | 25 Feb 1993 | | August 1934 | Grange Park Cottage Sandhill Lane, Crawley Down, Crawley, West Sussex, RH10 4LB |
| LOWE, Michael Charles RESIGNED | Director | 15 Aug 2000 | 31 Dec 2002 | Great Britain | February 1943 | 76 Forest Road, Kew, Richmond, Surrey, TW9 3BZ |
| NAUGHTON, Garry RESIGNED | Director | 28 Jun 2005 | 19 Dec 2013 | England | May 1955 | Unit 4, Watchmoor Point, Camberley, Surrey, GU15 3AD |
| NEVIN, Patrick RESIGNED | Director | 25 Apr 1996 | 11 Jun 1998 | Ireland | June 1950 | 15 Oak-Dene, Ballinclea Road, Killiney, Co Dublin, IRISH |
| NICOLAS, Phillipe Andre RESIGNED | Director | 11 Jun 1998 | 13 Nov 2001 | | May 1944 | 42 Anenue Bosquet, Paris, 75007, France |
| PELLY, Niall, Finance Director RESIGNED | Director | | 29 Feb 1996 | | April 1946 | Kiribili, Westminster Road, Foxrock, Dublin, IRISH, Ireland |
| PEYSSON, Cyril Yves RESIGNED | Director | 28 Jun 2005 | 26 Mar 2024 | France | September 1965 | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| SHERLING, Alan Joseph RESIGNED | Director | 25 Apr 1996 | 30 Sep 2007 | | July 1954 | 16 Princeton, Ardilea, Clonskeagh, Dublin 14, IRISH, Ireland |
| TERPSTRA, Doetje Nienke RESIGNED | Director | 26 Mar 2024 | 25 Sep 2026 | Netherlands | March 1979 | Concept House, Watchmoor Point, Camberley, Surrey, GU15 3AD, England |
| WALSH, Thomas Anthony, Production Director RESIGNED | Director | | 18 Apr 1996 | | June 1944 | Jerpoint Hill, Thomastown, Co Kilkenny, IRISH, Ireland |
| ZEHNDER, Hans-Peter, Dr RESIGNED | Director | 28 Jun 2005 | 28 Sep 2018 | Switzerland | October 1954 | Moortalstrasse 1, Moortalstrasse 1, 5722 Granichen, Switzerland |