| MORRIS, Lynne Louise ACTIVE | Secretary | 01 Sep 2010 | | | | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| BARKLEY, Peter William ACTIVE | Director | 07 Nov 2023 | | England | March 1989 | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| DAVIES, Guy ACTIVE | Director | 22 Jul 2008 | | England | January 1966 | 92 Palmer House, Parr's Way, Parr's Way, London, W6 9EG, United Kingdom |
| DICKSON, Paul William ACTIVE | Director | 07 Nov 2023 | | England | October 1968 | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| KENDALL, Valerie Claire ACTIVE | Director | 22 Jul 2008 | | England | February 1969 | Maple Lodge, Donkey Lane, Bourne End, SL8 5RR, England |
| WAKEFIELD, James Christopher ACTIVE | Director | 22 Jul 2008 | | United Kingdom | December 1966 | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| WHITTARD, Timothy Peter Graham ACTIVE | Director | 07 Nov 2023 | | England | May 1968 | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| DAVIES, Gillian Sarah RESIGNED | Secretary | 30 Mar 1994 | 20 Sep 1994 | | | 20 Baldwin Close, Llandaff, Cardiff, South Glamorgan, CF5 2SP |
| GERVASIO, James Ernest Peter RESIGNED | Secretary | 20 Sep 1994 | 01 Sep 2010 | | | 206 Shay Lane, Walton, Wakefield, West Yorkshire, WF2 6NW |
| BARNES, Jeremy Francis RESIGNED | Director | 14 Aug 2007 | 22 Jul 2008 | England | March 1958 | Northstoke, Holtye Road, East Grinstead, West Sussex, RH19 3PP |
| BOND, Katherine Emma RESIGNED | Director | 07 Nov 2023 | 20 Feb 2026 | England | May 1974 | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| BROOKS, Peter John Sutton RESIGNED | Director | 24 Jun 2009 | 07 Nov 2011 | United Kingdom | July 1957 | 1st Floor 28 Kempe Road, Queens Park, London, NW6 6SJ |
| CAMMERMAN, Philip Simon RESIGNED | Director | 20 Sep 1994 | 05 Apr 2002 | England | May 1942 | 55 The Fairway, Alwoodley, Leeds, West Yorkshire, LS17 7PE |
| CANTLAY, Duncan Andrew RESIGNED | Director | 20 Jun 2002 | 30 Apr 2008 | Wales | December 1943 | 9 Park Road, Penarth, Vale Of Glamorgan, CF64 3BD |
| DAVIES, David Peter Lloyd RESIGNED | Director | 21 Nov 1994 | 22 Jan 2008 | Wales | February 1938 | Laurel Hill, Michelaston, Swansea, SA3 2HL |
| HARBOTTLE, Richard John RESIGNED | Director | 31 Jul 2008 | 24 Jun 2009 | United Kingdom | June 1949 | Cedar House, Greenwood Close, Cardiff Gate Business Park, Cardiff, South Glamorgan, CF23 8RD |
| HARBOTTLE, Richard John RESIGNED | Director | 20 Sep 1994 | 22 Jul 2008 | United Kingdom | June 1949 | Cedar House, Greenwood Close, Cardiff Gate Business Park, Cardiff, South Glamorgan, CF23 8RD |
| LEACH, Clive William RESIGNED | Director | 31 Mar 1996 | 01 Jun 1998 | United Kingdom | December 1934 | The White House Church Street, Barkston Ash, Tadcaster, North Yorkshire, LS24 9TT |
| SENNITT, Owen Stephen Alexander RESIGNED | Director | 12 Feb 2003 | 31 Aug 2007 | United Kingdom | May 1965 | Cedar House Greenwood Close, Cardiff Gate Business Park, Cardiff, CF23 8RD |
| SMART, Alexander RESIGNED | Director | 24 Jun 2009 | 15 Oct 2019 | United Kingdom | March 1952 | The Gatehouse, Melrose Hall, Cypress Drive St. Mellons, Cardiff, CF3 0EG |
| STONE, Richard Jeremy, Professor RESIGNED | Director | 18 Jan 2006 | 22 Jul 2008 | United Kingdom | December 1964 | Cedar House, Greenwood Close, Cardiff Gate Business Park, Cardiff, CF23 8RD |
| WHITTARD, Tim Peter Graham RESIGNED | Director | 07 Dec 2020 | 25 Mar 2021 | United Kingdom | May 1968 | Capital Building, Tyndall Street, Cardiff, CF10 4AZ, Wales |
| WILLIAMS, Christopher Derek Rhys RESIGNED | Director | 30 Mar 1994 | 20 Sep 1994 | | August 1963 | 34 Angus Street, Roath, Cardiff, South Glamorgan, CF2 3LY |