| BLINCOW, Alison Sarah ACTIVE | Secretary | 15 Feb 2018 | | | | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| BLINCOW, Alison Sarah ACTIVE | Director | 18 Sep 2019 | | England | May 1978 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| BROOKS, Kim Joyce ACTIVE | Director | 28 Aug 2019 | | England | March 1968 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| HANSEN, Henrik Juhl ACTIVE | Director | 01 Jan 2022 | | Denmark | December 1963 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| GRANTHAM, Helen Clare RESIGNED | Secretary | 01 Jun 1997 | 29 Jun 2001 | | | 53 Southdown Road, Harpenden, London, AL5 1PQ |
| GRANTHAM, Helen Clare RESIGNED | Secretary | 31 Aug 1994 | 01 Jun 1997 | | | 53 Southdown Road, Harpenden, London, AL5 1PQ |
| HORTON, Christopher John RESIGNED | Secretary | 01 Jun 1994 | 31 Aug 1994 | | | 72 Clumber Street, Kirkby In Ashfield, Nottingham, Nottinghamshire, NG17 7NG |
| JONES, Christopher Bryan RESIGNED | Secretary | 29 Jun 2001 | 01 Oct 2012 | | | 23 Blacka Moor Crescent, Dore, Sheffield, South Yorkshire, S17 3GL |
| PAUL, Julian Sibree RESIGNED | Secretary | | 01 Jun 1997 | | | Upper House Farm, Ughill, Low Bradfield, Sheffield, S6 6HU |
| WAKELY, Stephen Victor RESIGNED | Secretary | 02 Oct 2012 | 15 Feb 2018 | | | None, Nottingham Road, Belper, Derbyshire, DE56 1JT, England |
| BIRD, Stephen Clive RESIGNED | Director | 22 Jan 1999 | 30 Jun 2000 | | September 1960 | South End Cottage Orleans Road, Twickenham, Middlesex, TW1 3BL |
| BROSSET, Michel, Dr RESIGNED | Director | 31 Mar 2001 | 31 Jan 2007 | | January 1956 | Am Sportplatz 6, Monheim/Rhein, D-40789, Germany |
| BROWN, Stuart RESIGNED | Director | 03 Apr 2018 | 14 Dec 2018 | England | July 1967 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| CARTER, John Douglas RESIGNED | Director | | 21 Apr 1997 | | April 1945 | Woodlands Dalefords Lane, Whitegate, Northwich, Cheshire, CW8 2BW |
| CHALUFOUR, Claude Raphael RESIGNED | Director | 28 Jun 2000 | 20 Dec 2007 | | October 1951 | 147 Rue De Bercy, Paris 75012, FOREIGN, France |
| CHENE, Jean-Francois RESIGNED | Director | 01 Oct 1997 | 04 Oct 2001 | | July 1954 | 11 Curzon Street, Mayfair, London, W1Y 7FJ |
| DAVIES, Christopher Erith RESIGNED | Director | 28 Sep 1998 | 31 Mar 2001 | | September 1949 | Hollytree The Common, Wellington Heath, Ledbury, Herefordshire, HR8 1LY |
| EMSENS, Stanislas RESIGNED | Director | | 31 Mar 1994 | | March 1926 | Walter Emsens Straat 4, 3900 Lommel, FOREIGN, Belgium |
| FORD, Graham Evan RESIGNED | Director | 27 Apr 2007 | 06 Sep 2011 | United Kingdom | December 1951 | 71 Goose Lane, Wickersley, Rotherham, South Yorkshire, S66 1JS |
| FRANKEN, Pierre Louis RESIGNED | Director | 01 Dec 1996 | 31 Dec 1997 | | July 1942 | 10 St Ferdinand Street, Paris 75017, France, FOREIGN |
| GORANSSON, Rolf Claes Erik RESIGNED | Director | 31 Mar 2001 | 30 Jun 2009 | | August 1953 | Unter Den Ulmen 1, 50968 Koln, Germany |
| HEALD, Malcolm Barclay RESIGNED | Director | 25 Jan 1996 | 30 Jun 2001 | England | September 1955 | Summerley House, Ellwood Road, Beaconsfield, Buckinghamshire, HP9 1EN |
| JEAN-FRANCOIS, Monsieur RESIGNED | Director | 26 Nov 1992 | 29 Nov 1996 | | July 1954 | 11 Bis Rue De Mouchy, Versailles 78000, FOREIGN, France |
| JEENS, Robert Charles Hubert RESIGNED | Director | 29 May 1998 | 31 Mar 2001 | United Kingdom | December 1953 | 7 Sunnyside, London, SW19 4SH |
| JESSE, Klaus RESIGNED | Director | 01 Aug 2016 | 31 Dec 2021 | Germany | February 1959 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| KERR, Ian George RESIGNED | Director | 01 Jan 1995 | 31 Mar 1999 | | January 1941 | Davenport House, Davenport, Congleton, Cheshire, CW12 4ST |
| LAMBOURNE, Robert Ernest RESIGNED | Director | | 31 Mar 1997 | | February 1952 | Ipsley Lodge Hogs Back, Seale, Farnham, Surrey, GU10 1LA |
| LANCASTER, Jeremy RESIGNED | Director | 23 Jan 1997 | 31 Mar 2001 | United Kingdom | February 1936 | The Gables, Broadwell, Moreton In Marsh, Gloucestershire, GL56 0UF |
| LEMON, David Edward Leonard RESIGNED | Director | | 30 Mar 1998 | | January 1948 | 6 Hillcrest Avenue, South Normanton, Alfreton, Derbyshire, DE55 3NR |
| MEISTER, Dietmar Jurgen, Dr. RESIGNED | Director | 30 Jun 2009 | 31 Dec 2017 | Germany | August 1962 | 40, Berghauser Str, 42859 Remscheid, Germany |
| MOORE, James Edward RESIGNED | Director | 27 Apr 2007 | 31 Jul 2016 | England | August 1962 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT, England |
| PARR, Thomas Donald RESIGNED | Director | | 29 May 1998 | | September 1930 | Homestead Homestead Road, Disley, Stockport, Cheshire, SK12 2JP |
| POWELL, Brian Robert RESIGNED | Director | | 31 May 2000 | United Kingdom | January 1938 | The Archways, Back Lane Shirley, Derby, Derbyshire, DE6 3AS |
| SHARP, Ernest Henry RESIGNED | Director | | 26 May 1999 | | January 1931 | 36 Tufton Court Tufton Street, Westminster, London, SW1P 3QH |
| SIMPSON, David Broadbent RESIGNED | Director | | 29 May 1998 | | September 1929 | Selwyn 39a Woodside Road, Beaumont Park, Huddersfield, HD4 5JJ |
| SMITH, Roland, Professor Sir RESIGNED | Director | | 28 May 1997 | | October 1928 | Flat 2 34 Bryanston Square, London, W1H 2DY |
| WAKELY, Stephen Victor RESIGNED | Director | 06 Sep 2011 | 06 Apr 2018 | England | May 1961 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT, England |
| WATKINS, Alan Keith, Dr RESIGNED | Director | 18 May 1995 | 29 May 1998 | | October 1938 | The Oaks, Top Park, Gerrards Cross, Bucks, SL9 7PP |
| WEINHOLZER, Michael RESIGNED | Director | 03 Apr 2018 | 30 Jun 2025 | Germany | August 1960 | None, Nottingham Road, Belper, Derbyshire, DE56 1JT |
| WILLIAMS, Robin George Walton RESIGNED | Director | 29 Jun 1998 | 30 Jun 2001 | | June 1957 | 17 Hestercombe Avenue, London, SW6 5LL |