| SHAW, Sarah Louise ACTIVE | Secretary | 01 Sep 2025 | | | | 1 Rosalind Franklin Way, Netpark, Sedgefield, County Durham, TS21 3FR, England |
| EDINGTON, Nathaniel ACTIVE | Director | 13 May 2024 | | United Kingdom | July 1969 | 1 Rosalind Franklin Way, Netpark, Sedgefield, County Durham, TS21 3FR, England |
| TYERMAN, Michael ACTIVE | Director | 07 Nov 2019 | | England | September 1978 | 1 Rosalind Franklin Way, Netpark, Sedgefield, County Durham, TS21 3FR, England |
| MOYNIHAN, Maura Eilis, Dr RESIGNED | Secretary | 29 Sep 2006 | 01 Jun 2022 | | | Cartref, Pool Road, Pool In Wharfedale, Otley, West Yorkshire, LS21 1EG, United Kingdom |
| TYERMAN, Michael RESIGNED | Secretary | 01 Jun 2022 | 01 Sep 2025 | | | Plexus 1 Netpark, Thomas Wright Way, Sedgefield, County Durham, TS21 3FD, England |
| PINSENT MASONS SECRETARIAL LIMITED RESIGNED | Secretary | 31 Aug 2006 | 29 Sep 2006 | | | 1 Park Row, Leeds, West Yorkshire, LS1 5AB |
| BRENNAN, Michael Peter RESIGNED | Director | 18 Sep 2009 | 15 Apr 2014 | United Kingdom | July 1960 | 3 Farr Holme, Blackwell, Darlington, County Durham, DL3 8QZ |
| GIBBS, Richard William RESIGNED | Director | 12 Apr 2022 | 13 May 2024 | England | April 1959 | Plexus 1 Netpark, Thomas Wright Way, Sedgefield, County Durham, TS21 3FD, England |
| GIBSON, Iain Andrew RESIGNED | Director | 02 Oct 2006 | 21 Sep 2007 | Scotland | December 1954 | 23 Caledonian Road, Peebles, EH45 9DJ |
| HINDSON, Charles Richard RESIGNED | Director | 29 Sep 2006 | 19 Sep 2008 | England | June 1959 | 21 Gauden Road, London, SW4 6LR |
| MARDIA, Hemant Kumar, Dr RESIGNED | Director | 02 Nov 2007 | 21 Sep 2012 | United Kingdom | November 1961 | The Fold Rudding Dower, Rudding Lane, Harrogate, HG3 1LL |
| MOBBS, Christopher Ian, Dr RESIGNED | Director | 29 Sep 2006 | 20 Nov 2006 | England | April 1962 | The Croft, Burley Road Menston, Ilkley, West Yorkshire, LS29 6NP |
| MOLE, Stephen Richard RESIGNED | Director | 05 Aug 2008 | 18 Sep 2009 | England | April 1956 | 55, Moor Lane, Woodford, Stockport, Cheshire, SK7 1PW |
| MOYNIHAN, Maura Eilis, Dr RESIGNED | Director | 09 Jun 2015 | 12 Apr 2022 | England | December 1959 | Cartref, Pool Road, Pool In Wharfedale, Otley, West Yorkshire, LS21 1EG, England |
| NEEDLE, Alan Robert RESIGNED | Director | 21 Sep 2012 | 13 Mar 2015 | England | December 1954 | Meadowcroft, 2, St. James Drive, Harrogate, North Yorkshire, HG2 8HT, United Kingdom |
| SMITH, Robert St John RESIGNED | Director | 18 Jun 2014 | 31 Oct 2019 | England | March 1964 | 16, St. Marks Avenue, Harrogate, North Yorkshire, HG2 8AE, England |
| PINSENT MASONS DIRECTOR LIMITED RESIGNED | Director | 31 Aug 2006 | 29 Sep 2006 | | | 1 Park Row, Leeds, West Yorkshire, LS1 5AB |