| TILSLEY, Geraint Rhys ACTIVE | Secretary | 24 May 2013 | | | | Dumfries House, Dumfries Place, Cardiff, CF10 3ZF, Wales |
| GOULDER, Nicky ACTIVE | Director | 18 Dec 2018 | | England | April 1964 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| HAINES, Julie-Ann ACTIVE | Director | 05 Apr 2022 | | Wales | February 1973 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| JONES, Geraint Allan ACTIVE | Director | 13 Dec 2023 | | United Kingdom | June 1976 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| KACHAWAHA, Amit ACTIVE | Director | 13 Jan 2020 | | England | June 1976 | 50, Alleyn Park, Dulwich, London, SE21 8SF, England |
| MURINDE, Vivian ACTIVE | Director | 21 Sep 2023 | | England | January 1988 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| REES, Joanna ACTIVE | Director | 24 Sep 2018 | | Wales | June 1969 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| SWINBURN, Peter ACTIVE | Director | 18 Nov 2015 | | United States | February 1953 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| TALFAN DAVIES, Rhodri William ACTIVE | Director | 09 Mar 2022 | | England | February 1971 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| WILLIAMS, Nan ACTIVE | Director | 19 Jul 2023 | | England | June 1962 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| WILLIAMS, Huw Rhys Charles RESIGNED | Secretary | 23 Apr 1998 | 06 Jun 2019 | | | 133 Windsor Road, Penarth, South Glamorgan, CF64 1SF |
| FILBUK (SECRETARIES) LIMITED RESIGNED | Secretary | 09 Jul 1996 | 26 Feb 1998 | | | Eversheds, Fitzalan House, Fitzalan Road, Cardiff, South Glamorgan, CF24 0EE |
| AGGARWAL, Raj Kumar RESIGNED | Director | 20 May 2011 | 14 Dec 2017 | Wales | April 1949 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| ANDERSON, Geraint RESIGNED | Director | 02 Oct 2017 | 13 Dec 2023 | Wales | May 1959 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| BELL, Carol, Dr RESIGNED | Director | 20 Nov 2014 | 20 Nov 2023 | England | October 1958 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| BEVERIDGE, James Aitchison RESIGNED | Director | 29 Aug 1996 | 23 Apr 1998 | United Kingdom | July 1948 | 8 La Tourne Gardens, Orpington, Kent, BR6 8EJ |
| BRAITHWAITE, Helena RESIGNED | Director | 02 Feb 2000 | 28 May 2004 | Wales | April 1938 | 48 Bridge Street, Llandaff, Cardiff, South Glamorgan, CF5 2EN |
| CHECKLAND, Michael, Sir RESIGNED | Director | 15 Jan 2003 | 13 Nov 2009 | United Kingdom | March 1936 | Orchard Cottage, Park Lane Maplehurst, Horsham, West Sussex, RH13 6LL |
| CHILD, Hugh RESIGNED | Director | 22 Sep 2006 | 19 Nov 2015 | Wales | December 1943 | Plas Y Coed, Bonvilston, Cowbridge, Vale Of Glamorgan, CF5 6TR |
| COX, Alan George, Sir RESIGNED | Director | 30 Aug 1996 | 31 Mar 2001 | United Kingdom | August 1936 | Mulberry House, St Arvans, Chepstow, Gwent, NP16 6EY |
| CROYDON, Robert Henry RESIGNED | Director | 22 Sep 2006 | 23 Jul 2009 | Wales | May 1953 | 12 Cyncoed Road, Cardiff, South Glamorgan, CF23 5SG |
| DAVIES, David John, Sir RESIGNED | Director | 28 May 2004 | 30 Jul 2010 | England | April 1940 | Leconfield House, Curzon Street, London, W1J 5JB |
| DAVIES, David, Lord RESIGNED | Director | 30 Aug 1996 | 07 Nov 2000 | United Kingdom | October 1940 | Plas Dinam, Llandinam, Powys, SY17 5DQ |
| DAVIES, Geraint Talfan RESIGNED | Director | 08 Nov 2006 | 04 Oct 2009 | Wales | December 1943 | 15 The Parade, Whitchurch, Cardiff, CF14 2EF |
| DAVIES, Geraint Talfan RESIGNED | Director | 08 Nov 2000 | 28 Mar 2003 | Wales | December 1943 | 15 The Parade, Whitchurch, Cardiff, CF14 2EF |
| DAVIES, Janet RESIGNED | Director | 28 Jan 2005 | 20 Nov 2014 | United Kingdom | February 1958 | Llys Yr Hafod, Prysg, Cowbridge, Vale Of Glamorgan, CF71 7TJ |
| DAVIES, John Geraint RESIGNED | Director | 27 Nov 2001 | 22 Sep 2006 | Wales | November 1954 | Glan Hafren, Sully Road, Penarth, Vale Of Glamorgan, CF64 2TQ |
| EDWARDS, Ifan Prys RESIGNED | Director | 23 Jul 2004 | 08 Jul 2005 | Wales | February 1942 | Bryn Aberoedd, Caemelyn, Aberystwyth, Dyfed, SY23 2HA |
| EDWARDS, Ifan Prys RESIGNED | Director | 15 May 1997 | 28 May 2004 | Wales | February 1942 | Bryn Aberoedd, Caemelyn, Aberystwyth, Dyfed, SY23 2HA |
| ENGELHARDT, Henry Allan RESIGNED | Director | 13 Nov 2009 | 19 Nov 2015 | Wales | January 1958 | Capital Tower, Greyfriars Road, Cardiff, CF10 3AZ |
| FLETCHER, Luke RESIGNED | Director | 13 Nov 2009 | 19 Nov 2015 | United Kingdom | April 1981 | 2-6, Cannon Street, London, EC4N 6YM |
| GOLDSTONE, David Joseph RESIGNED | Director | 17 Jun 1998 | 22 Sep 2006 | United Kingdom | February 1929 | 22 Grosvenor Hill Court, 15 Bourdon Street, London, W1K 3PX |
| HAMILL, Rhian Anwen RESIGNED | Director | 20 Jul 2007 | 19 May 2008 | England | March 1967 | 42 Northumberland Place, London, W2 5AS |
| HARGREAVES, Ian, Professor RESIGNED | Director | 18 Nov 2015 | 14 Dec 2021 | Wales | June 1951 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| HARLECH, Pamela, Lady RESIGNED | Director | 01 Oct 2002 | 28 Sep 2007 | | December 1934 | Hinton Field, Hinton Charterhouse, Bath, BA2 7SR |
| HART, Edwina RESIGNED | Director | 12 Sep 1997 | 24 May 1999 | | April 1957 | 47 Bryn Y Mor Road, Gowerton, Swansea, West Glamorgan, SA4 3EY |
| HAYWOOD, Elizabeth Zaidee, Dr RESIGNED | Director | 25 Oct 2004 | 19 Nov 2010 | Wales | November 1955 | The Tithe Barn, Ynyf Y Gerwn, Aberdulais, Neath, SA10 8HL |
| HOPWOOD, Mererid RESIGNED | Director | 18 Nov 2015 | 14 Dec 2021 | Wales | February 1964 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| JACKSON, David Macfarlane RESIGNED | Director | 15 Jan 2010 | 01 Dec 2016 | Wales | June 1955 | Wales Millenium Centre,, Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| JENKINS, David John RESIGNED | Director | 29 Aug 1996 | 11 Jul 1997 | | September 1948 | 12, Bruton Place, Cardiff, South Glamorgan, CF5 2ER |
| JOHN, Dyfrig Dafydd Joseff RESIGNED | Director | 13 Nov 2009 | 14 Jun 2012 | Uk | June 1950 | Bute Place, Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| JOHN, Robert Llewellyn RESIGNED | Director | 28 Sep 2007 | 24 Nov 2013 | United Kingdom | September 1948 | 15 Richmond Crescent, London, N1 0LZ |
| JONES, Eirlys Pritchard RESIGNED | Director | 13 Nov 2009 | 19 Nov 2015 | Wales | August 1943 | Wales Millennium Centre, Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| JONES, Geraint Stanley, Dr RESIGNED | Director | 17 Jun 1998 | 08 Jul 2005 | Wales | April 1936 | 12 Lady Mary Road, Roath Park, Cardiff, South Glamorgan, CF23 5NS |
| JONES PARRY, Emyr RESIGNED | Director | 30 Jul 2010 | 01 Dec 2016 | United Kingdom | September 1947 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| JOYCE, David Anthony Langford RESIGNED | Director | 01 Feb 2001 | 22 Sep 2006 | England | May 1948 | Woodfur House, 5 The Common, Quarndon, Derbyshire, DE22 5JY |
| LEWIS, Anthony Robert RESIGNED | Director | 23 Jun 2003 | 12 May 2006 | | July 1938 | Foyswell, Fairoak Lane, Stratfield Saye, Hampshire, RG7 2EA |
| LEWIS, David John Bowen RESIGNED | Director | 17 Jun 1998 | 08 Jul 2005 | Wales | February 1931 | 2 Holmesdale Place, Penarth, Vale Of Glamorgan, CF64 3BB |
| LEWIS, Margaret Rhiannon RESIGNED | Director | 22 Sep 2005 | 13 May 2010 | Cymru | September 1959 | Tan Lan, Cwmann, Llanbedr Pont Steffan, Ceredigion, SA48 8DU, Cymru |
| LEWIS, Roger Charles RESIGNED | Director | 23 Jul 2004 | 15 Aug 2006 | United Kingdom | August 1954 | Village Farm, St Hilary, Vale Of Glamorgan, CF71 7DP |
| LUKE, Steven John RESIGNED | Director | 23 Jul 2009 | 19 Nov 2015 | United Kingdom | December 1951 | 48 Llwyn Y Grant Road, Penylan, Cardiff, South Glamorgan, CF23 9HL |
| MCGREGOR, Menna Lyn RESIGNED | Director | 22 Sep 2006 | 01 Oct 2009 | England | November 1950 | 104 Talfourd Road, London, SE15 5NZ |
| MORRIS, Fina Elizabeth RESIGNED | Director | 29 Nov 2012 | 24 Sep 2018 | United Kingdom | February 1960 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| MUNDAY, Lizz RESIGNED | Director | 28 Nov 2017 | 31 Jan 2019 | Wales | March 1965 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| NASSIM, Vivien Charlotte RESIGNED | Director | 14 May 2001 | 19 Sep 2003 | | September 1945 | 28 Grosvenor Crescent Mews, London, SW1X 7EX |
| PEARCE-BURKE, Michelle Anne RESIGNED | Director | 28 Nov 2017 | 05 Apr 2022 | United Kingdom | July 1989 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| PHILLIPS, Bleddyn Glynne Leyshon RESIGNED | Director | 29 Nov 2012 | 24 Sep 2018 | United Kingdom | January 1954 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| REES, Ralph Phillip Vinson RESIGNED | Director | 27 Jan 2006 | 04 Oct 2009 | Wales | January 1939 | 19 Park Road, Radyr, Cardiff, CF15 8DG |
| ROWE-BEDDOE OF KILGETTY, David Sydney, Lord RESIGNED | Director | 31 Mar 2001 | 17 May 2010 | United Kingdom | December 1937 | Bryn Gorllewin, Llwyn Du, Abergavenny, Gwent, NP7 7HU |
| SINGH, Rita RESIGNED | Director | 28 Nov 2017 | 11 Dec 2025 | Wales | January 1974 | Bute Place, Cardiff Bay, Cardiff, CF10 5AL |
| SOUTHALL, Anna Catherine RESIGNED | Director | 22 Jul 2011 | 14 Dec 2017 | England | June 1948 | 3, The Paragon, Bristol, BS8 4LA |
| SPIELMAN, Amanda Mary Victoria RESIGNED | Director | 20 Dec 2004 | 20 May 2011 | England | May 1961 | SW4 |
| THOMAS, Roger Geraint RESIGNED | Director | 29 Aug 1996 | 10 Feb 1998 | Wales | July 1945 | Cliff Lea, Cliff Parade, Penarth, South Glam, CF64 5BP |
| WATSON, Frederick George RESIGNED | Director | 30 Aug 1996 | 09 Jul 1997 | | August 1934 | 166 Westbourne Road, Penarth, South Glamorgan, CF64 5BQ |
| WILLIAMS, Huw Tregelles RESIGNED | Director | 28 May 2004 | 19 Nov 2010 | Uk | March 1949 | 17 Maes Y Coed, Vicarage Road Morriston, Swansea, West Glamorgan, SA6 6DS |
| FILBUK NOMINEES LIMITED RESIGNED | Director | 09 Jul 1996 | 29 Aug 1996 | | | Eversheds, Fitzalan House, Fitzalan Road, Cardiff, South Glamorgan, CF24 0EE |