| DOS SANTOS NEVES, Nelo ACTIVE | Director | 01 Apr 2022 | | England | March 1976 | Second Floor, Sterling House, 810 Mandarin Court, Warrington, Cheshire, WA1 1GG, United Kingdom |
| RAAB, Tobias ACTIVE | Director | 30 Sep 2018 | | United Kingdom | February 1986 | Second Floor, Sterling House, 810 Mandarin Court, Warrington, Cheshire, WA1 1GG, United Kingdom |
| CARLESS, Helen Claire RESIGNED | Secretary | 06 Feb 2012 | 04 Jul 2013 | | | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD, United Kingdom |
| GENT, Gerard Thomas RESIGNED | Secretary | 10 May 1999 | 31 Jan 2012 | | | Osram House, Waterside Drive, Langley, Berkshire, SL3 6EZ |
| HOWARD, Ian Philip RESIGNED | Secretary | | 28 Feb 1997 | | | Broomfield, Copse Lane Long Sutton, Odiham, Hampshire, RG25 1SX |
| WENZERUL, Edward David RESIGNED | Secretary | 28 Feb 1997 | 10 May 1999 | | | Longacres Bashley Common Road, Bashley, New Milton, Hampshire, BH25 5SF |
| BOPST, Wolf-Dieter RESIGNED | Director | | 30 Apr 2005 | | October 1939 | Fohrenstr 9, 8133 Feldafing, West Germany |
| BUSHNELL, Richard Sutherland RESIGNED | Director | 01 Apr 2015 | 22 Jul 2016 | England | September 1973 | Osram House, Waterside Drive, Langley, SL3 6EZ |
| CABAN, Robert RESIGNED | Director | 01 Apr 1993 | 01 Oct 2001 | | October 1947 | Tara, Coombe Ridings, Kingston Upon Thames, Surrey, KT2 7JT |
| CARLESS, Helen Claire RESIGNED | Director | 06 Feb 2012 | 04 Jul 2013 | Berkshire | March 1962 | Faraday House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD, United Kingdom |
| EDGER, Andrew RESIGNED | Director | 01 Aug 2014 | 22 Jul 2016 | England | April 1966 | Aquila House, Delta Crescent, Westbrook, Warrington, WA5 7NR, England |
| GEHRELS, Juergen Carlos RESIGNED | Director | 01 May 1995 | 31 Mar 1998 | | July 1935 | Quillot Cottage, The Quillot Burwood Park, Walton On Thames, Surrey, KT13 0EE |
| GENT, Gerard Thomas RESIGNED | Director | 07 Dec 2009 | 31 Jan 2012 | United Kingdom | December 1953 | Osram House, Waterside Drive, Langley, Berkshire, SL3 6EZ |
| GENT, Gerard Thomas RESIGNED | Director | 28 Mar 2000 | 01 Oct 2007 | United Kingdom | December 1953 | Monks Way Littleworth Road, Seale, Farnham, Surrey, GU10 1JN |
| GOETZELER, Martin Fred Ludwig RESIGNED | Director | 11 Jul 2005 | 26 Oct 2009 | | May 1962 | Markgrafenstr. 49, 81827 Munich, FOREIGN, Germany |
| GOETZELER, Martin RESIGNED | Director | 01 Oct 2001 | 01 Feb 2002 | | May 1962 | 61 Mulberry House, Christchurch Road, London, SW14 7AN |
| GOSS, Andreas Josef RESIGNED | Director | 01 Aug 2008 | 28 Oct 2009 | Uk | March 1964 | Mountfield House, Chargate Close, Burwood Park, Walton On Thames, Surrey, KT12 5AF, Kt12 5af |
| KORHONEN, Ismo RESIGNED | Director | 16 Jun 2016 | 30 Sep 2017 | Finland | March 1959 | Aquila House, Delta Crescent, Westbrook, Warrington, WA5 7NR, England |
| MANNHART, Peter Claus Edwin Ernst RESIGNED | Director | 02 Nov 2009 | 22 Jul 2016 | Germany | August 1959 | Aquila House, Delta Crescent, Westbrook, Warrington, WA5 7NR, England |
| MARKI, Rune Wilhelm RESIGNED | Director | 01 May 2008 | 31 Mar 2015 | United Kingdom | October 1950 | Osram House, Waterside Drive, Langley, Berkshire, SL3 6EZ |
| MCMILLAN, Derek RESIGNED | Director | 28 Mar 2022 | 17 Mar 2026 | Belgium | February 1960 | Second Floor, Sterling House, 810 Mandarin Court, Warrington, Cheshire, WA1 1GG, United Kingdom |
| MCMILLAN, Derek RESIGNED | Director | 01 Oct 2017 | 28 Mar 2022 | Belgium | February 1960 | Aquila House, Delta Crescent, Westbrook, Warrington, Cheshire, WA5 7NR, United Kingdom |
| MILLS, Alan RESIGNED | Director | | 31 Mar 1993 | | February 1933 | 33 Hammond End, Farnham Common, South Bucks, SL2 3LG |
| MOHR, Heinz Peter RESIGNED | Director | | 07 Oct 1998 | | July 1934 | Berengariastr 6, 82131 Gauting, Germany |
| NAERGER, Johannes RESIGNED | Director | 16 Mar 2006 | 01 Apr 2009 | | August 1960 | Prinzenstr. 26, 80639 Munich, FOREIGN, Germany |
| PROEBSTL, Siegmar Gunter RESIGNED | Director | 01 Feb 2002 | 01 Oct 2003 | | December 1960 | 11 Wolsey Close, Coombe, Kingston Upon Thames, Surrey, KT2 7ER |
| SCHOFIELD, David John RESIGNED | Director | 01 Oct 2003 | 30 Apr 2008 | England | February 1958 | Newbold House, 83 Newtown Road, Newbury, Berkshire, RG14 7DD |
| SEEBERG, Thomas, Dr RESIGNED | Director | 07 Oct 1998 | 08 Feb 2006 | | January 1942 | Eichendorffweg 10, Icking, Bavaria 82057, Germany |
| THALHAMMER, Christoph RESIGNED | Director | 16 Jun 2016 | 30 Sep 2018 | England | May 1977 | Aquila House, Delta Crescent, Westbrook, Warrington, WA5 7NR, England |
| WEBER, Maik Torsten RESIGNED | Director | 27 Apr 2012 | 31 Jul 2014 | United Kingdom | April 1972 | Osram House, Waterside Drive, Langley, Berkshire, SL3 6EZ, United Kingdom |
| 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 |
| WOOD, Alan John RESIGNED | Director | 31 Mar 1998 | 01 Oct 2007 | United Kingdom | March 1947 | Fairmont, Eriswell Road, Walton On Thames, Surrey, KT12 5BW |
| ZIMMERMANN, Heinrich RESIGNED | Director | 02 Nov 2009 | 19 Apr 2012 | Germany | September 1961 | Osram House, Waterside Drive, Langley, Berkshire, SL3 6EZ |