| BROWN, Graham Andrew ACTIVE | Director | 04 Dec 2019 | | United Kingdom | September 1972 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| FROST, Nicholas Aaron ACTIVE | Director | 02 May 2025 | | United Kingdom | November 1983 | Morgan Advanced Materials Plc, York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| KNOWLES, Elizabeth ACTIVE | Director | 02 May 2025 | | United Kingdom | October 1984 | Morgan Advanced Materials Plc, York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| REYNOLDS, Daniel Richard ACTIVE | Director | 28 Mar 2025 | | United Kingdom | March 1982 | Morgan Advanced Materials Plc, York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| BOLTON, Benjamin Charles RESIGNED | Secretary | 30 Nov 2003 | 05 Jul 2005 | | | 18 Pinewood Close, Highcliffe, Christchurch, Dorset, BH23 5RR |
| CHIENG, Dennis Tiong Ung RESIGNED | Secretary | 03 Nov 2016 | 30 Jun 2017 | | | Morgan Advanced Materials - Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW |
| HALLIDAY, Simon John Rhodes RESIGNED | Secretary | 05 Jul 2005 | 03 Nov 2016 | | | Morgan Advanced Materials - Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| HARRIS, Mark Smeeth RESIGNED | Secretary | 10 Apr 2001 | 30 Nov 2003 | | | 21 Oakdene, Sunningdale, Ascot, Berkshire, SL5 0BU |
| HUGHES, David James RESIGNED | Secretary | 02 Aug 1993 | 02 Mar 1999 | | | 20 Woodthorpe Drive, Bewdley, Worcestershire, DY12 2RH |
| KENT, Stacey Ann RESIGNED | Secretary | 16 May 2022 | 19 Oct 2023 | | | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| KING-BRITTEN, Peter John RESIGNED | Secretary | | 02 Aug 1993 | | | Chapel House, Menith Wood, Worcester, WR6 6UG |
| MASSEY, Steven Justin RESIGNED | Secretary | 02 Mar 1999 | 10 Apr 2001 | | | 6 The Corbetts, Leigh Sinton, Malvern, Worcestershire, WR13 5HQ |
| PARKER, Michael Neville Clive RESIGNED | Secretary | 30 Jun 2017 | 30 Apr 2022 | | | Morgan Advanced Materials - Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, United Kingdom |
| CALVETE I BOSCH, Jaume, Senor RESIGNED | Director | | 02 Mar 1999 | | December 1939 | Numancia 201-203 Esc A-5e 22, 34 Barcelona, Catalonia, FOREIGN, Spain |
| CARTER, David William RESIGNED | Director | 14 Nov 1994 | 02 Mar 1999 | | March 1938 | 9 Carriage House Drive, Lakeville Ma 02347, Usa, FOREIGN |
| CHIENG, Dennis Tiong Ung RESIGNED | Director | 14 May 2015 | 30 Jun 2017 | United Kingdom | March 1955 | 10, Firecrest Way, Kidderminster, Worcestershire, DY10 4TF, England |
| COBB, Charles Alfred RESIGNED | Director | 04 Jan 2002 | 10 Sep 2014 | United Kingdom | June 1963 | Morgan Advanced Materials - Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| COKER, David John RESIGNED | Director | 30 Nov 2003 | 31 Dec 2006 | England | March 1946 | Ravenswood, 11 Star Hill Drive Churt, Farnham, Surrey, GU10 2HP |
| DELLOW, Christopher RESIGNED | Director | 04 Jan 2002 | 13 Aug 2004 | | September 1952 | 24 Dahlia Drive, Swanley, Kent, BR8 7XS |
| EVANS WATT, Brian RESIGNED | Director | | 02 Mar 1999 | | July 1945 | The Court House 36 Barnetts Lane, Kidderminster, Worcestershire, DY10 3HH |
| HALLIDAY, Simon John Rhodes RESIGNED | Director | 05 Jul 2005 | 03 Nov 2016 | England | July 1963 | Morgan Advanced Materials - Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, England |
| HARRIS, Mark Smeeth RESIGNED | Director | 10 Apr 2001 | 30 Nov 2003 | United Kingdom | August 1958 | 21 Oakdene, Sunningdale, Ascot, Berkshire, SL5 0BU |
| HOSTY, Andrew Joseph, Dr RESIGNED | Director | 18 Jul 2000 | 13 Oct 2015 | England | February 1965 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP, United Kingdom |
| HOWARD, Nigel Grant RESIGNED | Director | 02 Mar 1999 | 31 Dec 2003 | Great Britain | July 1945 | Long Oaks, Pennymead Drive, East Horsley, Surrey, KT24 5AH |
| HUGHES, David James RESIGNED | Director | 02 Aug 1993 | 02 Mar 1999 | | March 1962 | 20 Woodthorpe Drive, Bewdley, Worcestershire, DY12 2RH |
| JACKSON, Robert Sydney RESIGNED | Director | 05 Mar 1996 | 02 Mar 1999 | | April 1943 | Fron Fedw, Pant, Oswestry, Salop, SY10 9QX |
| JENKINS, John Paul RESIGNED | Director | | 31 Jan 1995 | | April 1950 | 306 Ivanhoe, Denver, Colorado 80220, FOREIGN, The United States Of America |
| JONES, Brian Geoffrey Bentley RESIGNED | Director | | 25 Mar 1999 | | June 1934 | 24 Badger Road, Macclesfield, Cheshire, SK10 2EP |
| JONES, Brian Reginal Standen, Dr RESIGNED | Director | | 31 Dec 1993 | | September 1930 | 2 Islet Park House, Islet Park, Maidenhead, Berkshire, SL6 8LE |
| JONES, David Henry RESIGNED | Director | | 04 Jan 2002 | United Kingdom | April 1951 | Neen Court, Neen Sollars, Worcestershire, DY14 0AH |
| KENT, Stacey Ann RESIGNED | Director | 16 May 2022 | 19 Oct 2023 | United Kingdom | May 1985 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| KING-BRITTEN, Peter John RESIGNED | Director | | 02 Aug 1993 | | March 1932 | Chapel House, Menith Wood, Worcester, WR6 6UG |
| KIRCHMEYER, Alain Gilbert RESIGNED | Director | 14 May 2015 | 20 Mar 2017 | France | June 1966 | 3, Bis Route Du Grand Lac, 78110 Le Vesinet, France |
| MASSEY, Steven Justin RESIGNED | Director | 02 Mar 1999 | 10 Apr 2001 | | June 1962 | 6 The Corbetts, Leigh Sinton, Malvern, Worcestershire, WR13 5HQ |
| MAUNDRELL, Victor James RESIGNED | Director | 16 Mar 1994 | 02 Mar 1999 | | May 1948 | 12 Darville Houses, Oxford Road East, Windsor, Berkshire, SL4 1EF |
| MULLER, Donald Bruce RESIGNED | Director | 02 Mar 1999 | 24 Sep 2003 | | September 1947 | 3018 Eton Road, Raleigh, North Carolina 27608, Usa |
| NEWLAND, Barry George RESIGNED | Director | | 02 Mar 1999 | | July 1944 | 52 Shrubbery Road, Drakes Broughton, Pershore, Worcestershire, WR10 2BE |
| NUTTER, Keith Malcolm RESIGNED | Director | 14 Nov 1994 | 29 Jul 1996 | England | July 1945 | 42 Queens Avenue, Shirley, Solihull, West Midlands, B90 2NT |
| PANTER, James Vincent RESIGNED | Director | | 02 Mar 1999 | England | April 1954 | 2, School Road, St Johns, Worcester, Worcestershire, WR2 4HF |
| PARKER, Michael Neville Clive RESIGNED | Director | 30 Jun 2017 | 30 Apr 2022 | United Kingdom | November 1964 | Morgan Advanced Materials - Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, United Kingdom |
| REDELL, Dietrich RESIGNED | Director | 25 Feb 1998 | 25 Mar 1999 | | October 1924 | Wilzenweg 21, Berlin D-13595, Germany, FOREIGN |
| SHAKESPEARE, Philip Maurice RESIGNED | Director | 19 Oct 2023 | 31 Mar 2025 | United Kingdom | December 1959 | York House, Sheet Street, Windsor, SL4 1DD, England |
| SIMPSON, Gary Michael RESIGNED | Director | 03 Apr 2017 | 01 May 2018 | United Kingdom | July 1958 | 4, Central Park Drive, Central Park, Rugby, Warwickshire, CV23 0WE, England |
| THOMAS, Michael Gwyn, Dr RESIGNED | Director | 15 Mar 2010 | 10 Jun 2020 | United Kingdom | September 1965 | Morgan Advanced Materials-Technical Ceramics, Morgan Drive, Stourport-On-Severn, Worcestershire, DY13 8DW, United Kingdom |
| TOMKINSON, James Cecil, Dr RESIGNED | Director | | 28 Jul 1994 | | April 1932 | 18 Prince Rupert Road, Areley Kings, Stourport On Severn, Worcestershire, DY13 0AS |
| WALLER, Walter RESIGNED | Director | | 31 Jul 1995 | | November 1921 | 108 Oakways, London, SE9 2PA |
| WATSON, Alan Harper RESIGNED | Director | | 03 Apr 1997 | | June 1923 | White Gates Hawkins Lane, West Hill, Ottery St Mary, Devon, EX11 1XG |