26 May 2026Appointed Ollerhead, Ruth as Secretary
5 April 2026Appointed Hughes, Jonathan Gordon as Director
11 March 2026Resigned Broadley, John Hey as Secretary
11 March 2026Resigned Broadley, John Hey as Director
14 August 2025Resigned Ollerhead, Peter Edward as Director
24 January 2024Appointed Ollerhead, Ruth as Director
21 December 2023Appointed Donaldson, Brian as Director
30 July 2021Resigned Rice, John David, Dr as Director
26 February 2010Resigned Baxter, Glenn William as Director
9 May 2008Appointed Broadley, John Hey as Secretary
7 April 2008Resigned Coleman, David John as Director
7 April 2008Resigned Coleman, David John as Secretary
11 February 2005Appointed Broadley, John Hey as Director
31 December 2003Resigned Pulman, David George as Director
31 December 2003Resigned Worsley, Alan Howard as Director
1 April 2003Appointed Rice, John David, Dr as Director
31 January 2003Appointed Coleman, David John as Secretary
31 January 2003Appointed Ollerhead, Peter Edward as Director
8 August 2001Resigned Hughes, Gordon, Dr as Director
5 July 2001Resigned Arnold, Kenneth Arthur as Director
23 February 2001Appointed Pulman, David George as Director
17 December 2000Appointed Baxter, Glenn William as Director
31 December 1999Resigned Coleman, David John as Secretary
27 October 1998Resigned Kerr, William Wigham Barton as Director
5 September 1997Appointed Arnold, Kenneth Arthur as Director
22 March 1997Appointed Coleman, David John as Secretary
11 February 1997Resigned Goodrich, Robert Herbert as Secretary
11 February 1997Resigned Goodrich, Robert Herbert as Director
22 August 1994Resigned Blackburn, John Stuart as Director
7 January 1994Appointed Coleman, David John as Director
7 January 1994Appointed Goodrich, Robert Herbert as Secretary
15 August 1993Resigned Curry, Colin, Dr as Director
22 December 1992Resigned Spratt, Robert Gordon as Director