| MEADS, Louise Rachel ACTIVE | Secretary | 01 Jul 2026 | | | | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| EAMES, Kerry ACTIVE | Director | 13 Feb 2026 | | United Kingdom | November 1975 | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| REEVE, Mark Peter ACTIVE | Director | 13 Feb 2026 | | United Kingdom | June 1973 | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| CATTERMOLE, Carolyn Tracy RESIGNED | Secretary | 30 Nov 2000 | 09 Jul 2001 | | | 81 Cranbrook Road, Chiswick, London, W4 2LJ |
| LLOYD, James William RESIGNED | Secretary | 13 Feb 2026 | 01 Jul 2026 | | | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| RICHARDSON, Alan John RESIGNED | Secretary | 29 Apr 1995 | 30 Nov 2000 | | | 118 Paxford Road, Sudbury Court, North Wembley, Middlesex, HA0 3RH |
| RUSSELL, John Stuart RESIGNED | Secretary | | 29 Apr 1995 | | | Hundred Lodge, 25 The Forebury, Sawbridgeworth, Hertfordshire, CM21 9BD |
| STEELE, Anne RESIGNED | Secretary | 09 Jul 2001 | 31 Oct 2018 | | | Beech House, Whitebrook Park, 68 Lower Cookham Road, Maidenhead, Berkshire, SL6 8XY |
| STONE, Zillah Wendy RESIGNED | Secretary | 31 Oct 2018 | 21 Mar 2025 | | | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| BUTTFIELD, David Frank RESIGNED | Director | 28 Apr 1995 | 01 Jan 2003 | | September 1946 | Mill Meadow Mill Lane, Amersham, Buckinghamshire, HP7 0EH |
| CATTERMOLE, Carolyn Tracy RESIGNED | Director | 01 Jan 2001 | 30 Jun 2011 | United Kingdom | September 1960 | Beech House, Whitebrook Park, 68 Lower Cookham Road, Maidenhead, Berkshire, SL6 8XY |
| DRYDEN, Stephen William RESIGNED | Director | 01 Apr 2008 | 28 Jun 2013 | England | March 1968 | Beech House, Whitebrook Park, 68 Lower Cookham Road, Maidenhead, Berkshire, SL6 8XY |
| HICKS, William Beverley RESIGNED | Director | 21 Jan 2016 | 30 Sep 2025 | United Kingdom | November 1962 | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| JOWETT, Matthew Paul RESIGNED | Director | 30 Jun 2011 | 21 Jan 2016 | England | December 1967 | 350, Euston Road, London, NW1 3AX, United Kingdom |
| MATTHEWS, David John RESIGNED | Director | 20 Mar 2013 | 16 Jan 2014 | England | January 1964 | 350, Euston Road, London, NW1 3AX, United Kingdom |
| MORRIS, Gavin Mathew RESIGNED | Director | 01 Jan 2003 | 01 Apr 2008 | England | September 1953 | 20 Argyll Road, London, W8 7BG |
| OLUYINKA, Kafayat Bisola RESIGNED | Director | 21 Mar 2025 | 13 Feb 2026 | United Kingdom | December 1985 | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| ROBERTS, Miles William RESIGNED | Director | 04 May 2010 | 20 Mar 2013 | England | February 1964 | Beech House, Whitebrook Park, 68 Lower Cookham Road, Maidenhead, Berkshire, SL6 8XY |
| RUSSELL, John Stuart RESIGNED | Director | | 31 Dec 2000 | | November 1947 | Little Pennys 70 High Wych Road, Sawbridgeworth, Hertfordshire, CM21 0HG |
| STEELE, Anne RESIGNED | Director | 28 Jun 2013 | 31 Oct 2018 | United Kingdom | March 1962 | 350, Euston Road, London, NW1 3AX, United Kingdom |
| STONE, Zillah Wendy RESIGNED | Director | 31 Oct 2018 | 21 Mar 2025 | United Kingdom | March 1965 | Level 3, 1 Paddington Square, London, W2 1DL, United Kingdom |
| THORNE, Anthony David RESIGNED | Director | 01 Jan 2001 | 04 May 2010 | United Kingdom | August 1950 | Beech House, Whitebrook Park, 68 Lower Cookham Road, Maidenhead, Berkshire, SL6 8XY |
| WILLIAMS, John Peter RESIGNED | Director | | 01 Jan 2002 | United Kingdom | February 1942 | 30 Egerton Crescent, London, SW3 2EB |