| COPE, Suzanne Carol ACTIVE | Secretary | 23 Jul 2019 | | | | Coxs Lane, Coxs Lane, Cradley Heath, B64 5QU, England |
| CHILDS, Paul Timothy ACTIVE | Director | 17 Jan 2022 | | England | July 1973 | Coxs Lane, Coxs Lane, Cradley Heath, B64 5QU, England |
| JONDROWSKA, Magdalena Ewa ACTIVE | Director | 13 Jul 2026 | | Spain | September 1977 | Thyssenkrupp Polysius Iberica S.A, Plaza De Manuel Gomez-Moreno S/N 28020, Madrid, Spain |
| CHILDS, Paul RESIGNED | Secretary | 01 Apr 2014 | 01 Apr 2015 | | | 13, Grange Road, West Molesey, Surrey, KT8 2PR, England |
| COPE, Suzanne Carol RESIGNED | Secretary | 01 Dec 2015 | 31 Oct 2016 | | | The Brackens, London Road, Ascot, Berkshire, SL5 8BE |
| CRUMP, Martyn John RESIGNED | Secretary | 15 Jan 2003 | 31 Mar 2014 | | | Clare House, Mary Lane, Hundon, Suffolk, CO10 8DY |
| HARDING, Philip Norman RESIGNED | Secretary | | 31 Dec 1992 | | | 45 Binfield Road, Wokingham, Berkshire, RG11 1SL |
| OLIVER, Anthony William RESIGNED | Secretary | 01 Jan 1993 | 14 Jan 2003 | | | 202 Nine Mile Ride, Wokingham, Berkshire, RG40 3PX |
| WHETTON, Malcolm RESIGNED | Secretary | 01 Apr 2015 | 01 Dec 2015 | | | The Brackens, London Road, Ascot, Berkshire, SL5 8BE |
| ALLERS, Tyark RESIGNED | Director | | 31 Dec 1994 | | July 1941 | Rummlel 26, Sandon Horst 2 D4401, Germany |
| BAUER, Jurgen RESIGNED | Director | | 01 Nov 2007 | | September 1945 | Buchenweg 34, Oelde D-4740, Germany |
| CHILDS, Paul Timothy RESIGNED | Director | 01 Apr 2015 | 09 Nov 2015 | England | July 1973 | The Brackens, London Road, Ascot, Berkshire, SL5 8BE |
| COPE, Suzanne Carol RESIGNED | Director | 20 Aug 2025 | 21 Aug 2025 | England | April 1969 | 37, Randolph Drive, Farnborough, GU14 0QQ, England |
| ENGELS, Ludwig, Doctor RESIGNED | Director | 01 Jan 1995 | 30 Jun 1997 | | June 1944 | Moerikestrasse 33a, 34125 Kassel, Germany |
| FRANKE, Heike RESIGNED | Director | 01 Apr 2013 | 05 Oct 2016 | Germany | August 1963 | Thyssenkrupp Resource Technologies, Graf-Galen-Str. 17, 59269 Beckum, Germany |
| KUPPER, Detlev, Dr RESIGNED | Director | 30 Jun 1997 | 31 Mar 2013 | Germany | March 1958 | 17, Graf Galen Strasse, Beckum, Neubeckum, D-59269, Germany |
| ROKITTA, Michael W RESIGNED | Director | | 21 Dec 1992 | | February 1947 | Pinewood Lodge Swinley Road, Ascot, Berkshire, SL5 8BA |
| ROSE, Detlev, Dr RESIGNED | Director | 01 Nov 2007 | 31 Mar 2013 | Germany | May 1962 | 17, Graf Galen Strasse, Beckum, Neubeckum, D-59269, Germany |
| SCHUBERT, Johannes RESIGNED | Director | 01 Jan 1994 | 31 Dec 1994 | | August 1947 | Kaiserswerther Str 365, 40474 Duesseldorf, Germany |
| SCHULZ, Dietmar, Dr RESIGNED | Director | 01 Apr 2013 | 09 Apr 2019 | Germany | August 1961 | Thyssenkrupp Resource Technologies, Graf-Galen-Str. 17, 29269 Beckum, Germany |
| WERNER, Lutz RESIGNED | Director | | 17 May 1993 | | August 1947 | Glaf-Galan Sch 17, 4721 Beckua 2, Germany |
| WHETTON, Malcolm RESIGNED | Director | 09 Nov 2015 | 31 Mar 2022 | England | August 1950 | Friars Gate 1, Third Floor, Stratford Road, Shirley, Solihull, B90 4BN, England |
| WILLIAMS, Mark Stephen RESIGNED | Director | 01 Jun 2018 | 17 Jan 2019 | England | January 1960 | Friars Gate 1, Third Floor, Stratford Road, Shirley, Solihull, B90 4BN, England |