| KELLY, Susan Kathleen ACTIVE | Secretary | 08 Oct 2021 | | | | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| OLIVER, Julian ACTIVE | Director | 02 Jul 2018 | | England | January 1970 | Whisby Road, North Hykeham, Lincoln, LN6 3DL, England |
| PERROTT, Nicholas Edward John ACTIVE | Director | 31 Aug 2023 | | England | February 1971 | Drakes Way, Greenbridge Estate, Swindon, Wiltshire, SN3 3HX, England |
| PATEMAN, John Robert RESIGNED | Secretary | | 30 Aug 2005 | | | 325 Rue De L'Etraz, Gex, 01170 |
| WARD, Richard Jeremy RESIGNED | Secretary | 03 Jun 2013 | 20 Aug 2021 | | | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| WINTERBURN, Julian RESIGNED | Secretary | 30 Aug 2005 | 03 Jun 2013 | | | 43, Bath Road, Wootton Bassett, Wiltshire, SN4 7DF |
| ALDERTON, Anthony David RESIGNED | Director | 11 Feb 2000 | 19 Mar 2004 | | December 1955 | 30 Queen Elizabeth Drive, Swindon, Wiltshire, SN25 1WP |
| BEARD, Kenneth William RESIGNED | Director | 30 Aug 2005 | 06 Mar 2006 | | November 1949 | 10200 Nw 73rd Terrace, Kansas City, Missouri 64152, Usa |
| BILEK, Paul Joseph RESIGNED | Director | 10 Jun 1993 | 31 May 1995 | | April 1947 | 12530 Glendurgan Drive, Carmel Indiana 46032, Usa, FOREIGN |
| CAST, Steve RESIGNED | Director | 01 May 2011 | 31 Mar 2020 | England | May 1971 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| COTTON, Ivan Harry RESIGNED | Director | | 04 Mar 1993 | | March 1935 | 15 Chemin De La Fontaine, Chambesy, Geneva 1292, FOREIGN, Switzerland |
| DIXON, Sarah Jane RESIGNED | Director | 07 May 2019 | 29 Sep 2020 | England | December 1979 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| DRAPER, Alan RESIGNED | Director | 01 Mar 2012 | 18 May 2016 | Usa | September 1971 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| ESTRUCH, John RESIGNED | Director | 01 Feb 2008 | 01 Mar 2012 | Norway | April 1951 | C / Jose Maranon , 10 - 3 - Ieda, Madrid, 28010, Spain |
| GELIGNE, Pierre Auguste RESIGNED | Director | | 26 Mar 1996 | | July 1939 | 9 Rue De La Chenaille, Echenevex, France 01170, FOREIGN |
| GOSLING, Paul RESIGNED | Director | 10 Jun 1993 | 30 Jan 1997 | | November 1946 | 18 Old Mill Close, Westerleigh, Bristol, BS17 4QP |
| GRUNINGER, Mark F RESIGNED | Director | 02 Jan 2007 | 18 Jun 2012 | Usa | September 1961 | 4079 Wild Wood Court, Zionsville, Indiana, 46077, Usa |
| HILL, William Lee RESIGNED | Director | 01 Mar 2010 | 01 Feb 2013 | Usa | May 1952 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| LAND, John Edmund RESIGNED | Director | 26 Mar 1996 | 30 Jan 1997 | | March 1934 | 8529 Chapel Glen Drive, Indianapolis, Indiana, IN 46234, Usa |
| LEWIS, Andrew Keith RESIGNED | Director | 01 Nov 2009 | 01 Aug 2010 | England | June 1970 | 2, Northgate, Lincoln, LN2 1QS, England |
| LODWICK, William RESIGNED | Director | 01 Nov 2010 | 01 May 2011 | Usa | May 1960 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| LUTHI, Pierre RESIGNED | Director | 01 Feb 2013 | 18 May 2016 | France | January 1963 | 36, Route Des Bellegardes, F-74250, Fillinges, France |
| LUTHI, Pierre Claude RESIGNED | Director | 15 Mar 2002 | 02 Jan 2008 | | January 1963 | Lieu Dit Chedal, Fillinges, F-74250, France |
| MCPHERRON, Michael Joseph RESIGNED | Director | 30 Jan 1997 | 28 May 1999 | | April 1957 | 8 Friars Close, Shrivenham, Swindon, Wiltshire, SN6 8BW |
| MELHUISH, Peter William RESIGNED | Director | 01 Dec 2006 | 24 Nov 2008 | England | August 1952 | 176 Butt Lane, Allesley, Coventry, West Midlands, CV5 9FE |
| MENEZES, Edubrdo Figueiredo RESIGNED | Director | 01 Feb 2008 | 01 Nov 2010 | Spain | April 1963 | Nunez De Balboa, 57 6 - 12 Q, Madrid, 28001, Spain |
| MORGAN, Tom Oliver RESIGNED | Director | 01 Mar 2021 | 31 Aug 2023 | England | April 1978 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| MURPHY, Mark RESIGNED | Director | 18 Jun 2012 | 03 Mar 2014 | Usa | September 1967 | 1500, Polco Street, Indianapolis, Indiana, Usa |
| PATEMAN, John Robert RESIGNED | Director | 07 Aug 1995 | 03 Oct 2011 | France | October 1949 | 325 Rue De L'Etraz, Gex, 01170 |
| PAUL, Stephen John RESIGNED | Director | 06 Mar 2006 | 01 Dec 2006 | | March 1963 | Pilgrim Str 4, Dulsburg, Nrw 47053, Germany |
| PENA, Alejandro RESIGNED | Director | 02 Jan 2008 | 01 Mar 2010 | Usa | October 1949 | 2449 Derek Drive, Carmel, Indiana 46032, Usa |
| PENA, Alejandro RESIGNED | Director | 10 May 2000 | 19 Mar 2004 | Usa | October 1949 | 2449 Derek Drive, Carmel, Indiana 46032, Usa |
| PHILPOTT, Shelia Jane RESIGNED | Director | 03 Oct 2011 | 31 Dec 2013 | United Kingdom | April 1954 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| RATH, Ronald Hugh RESIGNED | Director | | 28 Feb 1993 | | October 1937 | 9033 Buckeye Court, Indianapolis, Indiana, FOREIGN, Usa |
| RIDDING, Francis Lawn RESIGNED | Director | 19 Mar 2004 | 30 Aug 2005 | | April 1943 | The Ridge, Callow Hill Brinkworth, Chippenham, Wiltshire, SN15 5DZ |
| RIDDING, Francis Lawn RESIGNED | Director | 30 Jan 1997 | 27 Mar 2001 | | April 1943 | 11349 Clarkston Road, Zionsville Indiana, 46077 Usa |
| RIEKEMANN, Klaus Hermann RESIGNED | Director | 28 May 1999 | 10 May 2000 | | May 1940 | Bockumer Strasse 216, Dusseldorf, 40489, Germany |
| SAHALL, Jason Kirk RESIGNED | Director | 31 Aug 2023 | 31 Mar 2026 | England | October 1970 | Harrison Place, 14-15 Whisby Road, Lincoln, LN6 3LQ, England |
| SHAW, Mark Scott RESIGNED | Director | | 31 Jul 1995 | | March 1951 | 11 Chemin Des Communaux, Commugny 1291, Switzerland, FOREIGN |
| SKARE, Todd Alan RESIGNED | Director | 01 Nov 2010 | 01 Jul 2014 | Spain | February 1971 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |
| SLENDERS, Veerle RESIGNED | Director | 04 Mar 2014 | 25 Jul 2016 | Belgium | August 1970 | 29, Lammerdries-Oost, Olen, Antwerp, Belgium |
| VON KRANNICHFELDT, Thomas Walter RESIGNED | Director | 27 Mar 2001 | 15 Mar 2002 | | November 1949 | 37 Eustis Lane, Ridgefield, Connecticut Ct 06877, Usa |
| VON KRANNICHFELDT, Thomas Walter, President RESIGNED | Director | 01 Jun 1995 | 11 Feb 2000 | | November 1949 | 12552 Walnut Ridge, Fishers, Indiana 46038, Usa |
| VRUGGINK, Robert Scott RESIGNED | Director | 19 Mar 2004 | 02 Jan 2007 | | September 1957 | 4638 Summersong, Zionsville, Indiana 46077, Usa |
| WARD, Richard Jeremy RESIGNED | Director | 03 Jun 2013 | 20 Aug 2021 | England | November 1965 | Praxair Surface Technologies Ltd, Drakes Way, Swindon, SN3 3HX, England |
| WESTCOTT, Paul Andrew RESIGNED | Director | 01 May 2018 | 07 Dec 2018 | United Kingdom | November 1964 | Harrison Place, Whisby Road, North Hykeham, Lincoln, LN6 3DL, England |
| WINTERBURN, Julian RESIGNED | Director | 01 Feb 2008 | 31 Mar 2018 | United Kingdom | August 1969 | 43, Bath Road, Wootton Bassett, Wiltshire, SN4 7DF |
| YANKOWSKI, Daniel Henry RESIGNED | Director | 01 Jul 2014 | 24 Jun 2016 | Spain | October 1957 | Drakes Way,, Swindon,, Wiltshire,, SN3 3HX |