| STEWART, Claire Susan ACTIVE | Secretary | 04 Mar 2019 | | | | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| STEWART, Claire Susan ACTIVE | Director | 18 Apr 2019 | | England | December 1980 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| WILLIAMS, Paul John ACTIVE | Director | 26 Aug 2025 | | United Kingdom | May 1969 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| BESWICK, Simon RESIGNED | Secretary | 30 Nov 2018 | 04 Mar 2019 | | | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| BRIERLEY, Richard Paul RESIGNED | Secretary | 06 Mar 2015 | 06 Apr 2018 | | | Studley Point, 88 Birmingham Road, Studley, Warwickshire, B80 7AS |
| DEVEY SMITH, Terence William RESIGNED | Secretary | | 27 Feb 1996 | | | The Old Plough, Oldwood, Tenbury, Worcestershire, WR15 8TB |
| DOWLING, Alison RESIGNED | Secretary | 15 Jul 2014 | 30 Nov 2014 | | | Studley Point, 88 Birmingham Road, Studley, Warwickshire, B80 7AS |
| POULTNEY, Nigel Charles RESIGNED | Secretary | 27 Feb 1996 | 15 Jul 2014 | | | 4 Holt Road, Studley, Warwickshire, B80 7NX |
| STILWELL, Michael James RESIGNED | Secretary | 06 Apr 2018 | 30 Nov 2018 | | | Studley Point, 88 Birmingham Road, Studley, Warwickshire, B80 7AS |
| STILWELL, Michael RESIGNED | Secretary | 30 Nov 2014 | 06 Mar 2015 | | | Studley Point, 88 Birmingham Road, Studley, Warwickshire, B80 7AS |
| ASHE, Vincent RESIGNED | Director | | 02 Jun 1994 | | October 1954 | 5 Ellington Way, Epsom, Surrey, KT18 5TA |
| AXELSEN, Ian Peter RESIGNED | Director | | 29 Apr 1994 | | September 1958 | 27 King George Close, Bromsgrove, Worcestershire, B61 8SL |
| BEDFORD, David Michael RESIGNED | Director | 06 Jan 2020 | 01 Jul 2022 | England | January 1968 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| BESWICK, Simon RESIGNED | Director | 30 Nov 2018 | 18 Apr 2019 | Scotland | July 1964 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| COGHLAN, David John RESIGNED | Director | 12 Aug 1997 | 01 Apr 2008 | England | November 1954 | The Old Rectory, Long Newnton, Tetbury, Glos, GL8 8RR |
| ELDRED, Stephen Derrick RESIGNED | Director | 07 May 1997 | 21 Aug 1997 | | August 1959 | 8 Woodland Way, Woodford Green, Essex, IG8 0QG |
| HIGGINS, David RESIGNED | Director | | 15 Jul 1997 | | February 1945 | 41 Birch Croft Road, Sutton Coldfield, West Midlands, B75 6BP |
| LARNDER, Amanda Louise RESIGNED | Director | 04 Jul 2022 | 26 Aug 2025 | England | July 1980 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| LARNDER, Amanda Louise RESIGNED | Director | 09 May 2019 | 06 Jan 2020 | England | July 1980 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| POULTNEY, Nigel Charles RESIGNED | Director | 22 Jan 1996 | 11 May 2016 | England | May 1957 | 4 Holt Road, Studley, Warwickshire, B80 7NX |
| SHEPHERD, John, Mr. RESIGNED | Director | 06 May 2010 | 31 Jan 2015 | United Kingdom | December 1953 | Studley Point, 88 Birmingham Road, Studley, Warwickshire, B80 7AS, United Kingdom |
| SINGLETON, Russell Craig RESIGNED | Director | 08 Mar 2002 | 06 May 2010 | England | January 1959 | 417 Whirlowdale Road, Sheffield, South Yorkshire, S11 9NG |
| STILWELL, Michael James RESIGNED | Director | 06 Mar 2015 | 30 Nov 2018 | England | February 1976 | Studley Point, 88 Birmingham Road, Studley, Warwickshire, B80 7AS |
| TAYLOR, Dawn Amanda RESIGNED | Director | 17 Jun 2016 | 25 Feb 2022 | England | October 1970 | Synectics House, 3-4 Broadfield Close, Sheffield, S8 0XN, England |
| THIRKETTLE, John RESIGNED | Director | | 09 Sep 1992 | | October 1935 | 43/45 Myrtle Avenue, Eastcotr, Ruislip, Middlesex, HA4 8SA |