| FROST, Nicholas Aaron ACTIVE | Director | 02 Feb 2026 | | United Kingdom | November 1983 | Morgan Advanced Materials Plc, York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| KNOWLES, Elizabeth ACTIVE | Director | 27 Sep 2024 | | United Kingdom | October 1984 | Morgan Advanced Materials Plc, York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| BOLTON, Benjamin Charles RESIGNED | Secretary | 10 Oct 2001 | 05 Jul 2005 | | | 18 Pinewood Close, Highcliffe, Christchurch, Dorset, BH23 5RR |
| HALLIDAY, Simon John Rhodes RESIGNED | Secretary | 05 Jul 2005 | 04 Jul 2016 | | | C/O Morgan Technical Ceramics Limited, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| HARRIS, Mark Smeeth RESIGNED | Secretary | 10 Apr 2001 | 10 Oct 2001 | | | 21 Oakdene, Sunningdale, Ascot, Berkshire, SL5 0BU |
| HUGHES, David James RESIGNED | Secretary | 16 Mar 1994 | 02 Mar 1999 | | | 20 Woodthorpe Drive, Bewdley, Worcestershire, DY12 2RH |
| KING-BRITTEN, Peter John RESIGNED | Secretary | | 16 Mar 1994 | | | Chapel House, Menith Wood, Worcester, WR6 6UG |
| MACKIE, Stephanie Helen RESIGNED | Secretary | 04 Jul 2016 | 04 Jul 2022 | | | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| MASSEY, Steven Justin RESIGNED | Secretary | 02 Mar 1999 | 10 Apr 2001 | | | 6 The Corbetts, Leigh Sinton, Malvern, Worcestershire, WR13 5HQ |
| BECHHOLD, Alexander RESIGNED | Director | 20 May 2021 | 01 Nov 2021 | Germany | October 1964 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| BOLTON, Benjamin Charles RESIGNED | Director | 10 Oct 2001 | 05 Jul 2005 | | July 1944 | 18 Pinewood Close, Highcliffe, Christchurch, Dorset, BH23 5RR |
| BOULTON, Paul Andrew RESIGNED | Director | 18 Sep 2020 | 15 Dec 2025 | United Kingdom | February 1968 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| BOULTON, Paul Andrew RESIGNED | Director | 04 Jul 2016 | 28 Jun 2018 | United Kingdom | February 1968 | Quadrant, 55 - 57 High Street, Windsor, Berkshire, SL4 1LP, England |
| COBB, Charles Alfred RESIGNED | Director | 15 Mar 2010 | 10 Sep 2014 | United Kingdom | June 1963 | C/O Morgan Technical Ceramics Limited, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| COLLINS, Claire Rose RESIGNED | Director | 19 Oct 2016 | 18 Sep 2020 | England | October 1974 | Quadrant, 55 - 57 High Street, Windsor, Berkshire, SL4 1LP, England |
| EVANS WATT, Brian RESIGNED | Director | | 10 Oct 2001 | | July 1945 | The Court House 36 Barnetts Lane, Kidderminster, Worcestershire, DY10 3HH |
| HALLIDAY, Simon John Rhodes RESIGNED | Director | 05 Jul 2005 | 04 Jul 2016 | England | July 1963 | C/O Morgan Technical Ceramics Limited, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| HARRIS, Mark Smeeth RESIGNED | Director | 10 Apr 2001 | 10 Oct 2001 | United Kingdom | August 1958 | 21 Oakdene, Sunningdale, Ascot, Berkshire, SL5 0BU |
| HOSTY, Andrew Joseph, Dr RESIGNED | Director | 15 Mar 2010 | 13 Oct 2015 | England | February 1965 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP, England |
| HOWARD, Nigel Grant RESIGNED | Director | 10 Oct 2001 | 31 Dec 2003 | Great Britain | July 1945 | Long Oaks, Pennymead Drive, East Horsley, Surrey, KT24 5AH |
| HUGHES, David James RESIGNED | Director | 28 Jul 1994 | 02 Mar 1999 | | March 1962 | 20 Woodthorpe Drive, Bewdley, Worcestershire, DY12 2RH |
| JONES, David Henry RESIGNED | Director | 10 Oct 2001 | 30 Jul 2003 | United Kingdom | April 1951 | Neen Court, Neen Sollars, Worcestershire, DY14 0AH |
| MACKIE, Stephanie Helen RESIGNED | Director | 28 Jun 2018 | 04 Jul 2022 | United Kingdom | June 1968 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| MARTIN, Eileen Kirsten RESIGNED | Director | 16 Dec 2021 | 27 Sep 2024 | United Kingdom | August 1978 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| MASSEY, Steven Justin RESIGNED | Director | 02 Mar 1999 | 10 Apr 2001 | | June 1962 | 6 The Corbetts, Leigh Sinton, Malvern, Worcestershire, WR13 5HQ |
| PARR, David RESIGNED | Director | 10 Oct 2001 | 31 Dec 2003 | | July 1961 | 3 Glan Aber Court, Hough Green, Chester, Cheshire, CH4 8JU |
| RILEY, Andrew Colin RESIGNED | Director | 04 Jul 2016 | 19 Oct 2016 | England | July 1967 | Quadrant, 55 - 57 High Street, Windsor, Berkshire, SL4 1LP, England |
| THOMAS, Michael Gwyn, Dr RESIGNED | Director | 10 Oct 2001 | 04 Jul 2016 | United Kingdom | September 1965 | C/O Morgan Technical Ceramics Limited, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| TOMKINSON, James Cecil, Dr RESIGNED | Director | | 28 Jul 1994 | | April 1932 | 18 Prince Rupert Road, Areley Kings, Stourport On Severn, Worcestershire, DY13 0AS |