| FEILDING, Harriet ACTIVE | Secretary | 30 Sep 2024 | | | | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| EDWARDS AHIR, Manon Luned ACTIVE | Director | 22 Oct 2019 | | Wales | May 1970 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| FEILDING, Harriet ACTIVE | Director | 31 Oct 2023 | | England | December 1959 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| HEMSLEY-COLE, Sarah ACTIVE | Director | 20 Oct 2025 | | Wales | October 1971 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| HUGHES, Medwin, Professor ACTIVE | Director | 29 Jul 2022 | | Wales | May 1961 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| HUGHES, Paul Michael ACTIVE | Director | 30 Oct 2023 | | England | June 1956 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| JONES, Gerallt Pritchard ACTIVE | Director | 30 Oct 2023 | | Wales | November 1969 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| LITTLE, Henry Brian ACTIVE | Director | 15 Feb 2019 | | England | May 1965 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| MAN, Kenon ACTIVE | Director | 30 Oct 2023 | | Wales | February 1982 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| MAXWELL, Donald ACTIVE | Director | 18 Dec 2023 | | United Kingdom | December 1948 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| MIDHA, Arun Daniel, Dr ACTIVE | Director | 29 Jul 2022 | | Wales | April 1964 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| MITCHELL, Louise Catherine ACTIVE | Director | 20 Oct 2025 | | England | August 1956 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| PILLMAN, Annabel Clare ACTIVE | Director | 29 Jul 2022 | | Wales | February 1965 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| BELLINGHAM, Peter Gordon RESIGNED | Secretary | 21 Mar 2008 | 31 Aug 2015 | | | 76 Westbourne Road, Penarth, South Glamorgan, CF64 3HB |
| BELLINGHAM, Peter Gordon RESIGNED | Secretary | 01 Aug 2003 | 29 Jul 2004 | | | 76 Westbourne Road, Penarth, South Glamorgan, CF64 3HB |
| BRADLEY, Stephanie Myra RESIGNED | Secretary | 14 Dec 2022 | 30 Sep 2024 | | | Wales Millennium Centre, Bute Place, Cardiff, CF10 5AL, Wales |
| DAVIES, Gwyn Huw RESIGNED | Secretary | 13 Feb 2017 | 14 Dec 2022 | | | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| GAMBRELL, Andrew RESIGNED | Secretary | 29 Jul 2004 | 21 Mar 2008 | | | 21 Pen-Y-Groes Road, Rhiwbina, Cardiff, South Glamorgan, CF14 4SU |
| ROWE, Geoffrey Thomas RESIGNED | Secretary | | 31 Jul 2003 | | | 177 Stanwell Road, Penarth, South Glamorgan, CF64 3LN |
| WYNNE, James Robert RESIGNED | Secretary | 01 Sep 2015 | 16 Sep 2016 | | | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| AMERY, Nicola Clare RESIGNED | Director | 22 Oct 2019 | 20 Oct 2025 | Wales | August 1961 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| AP ROBERT, Elen RESIGNED | Director | 11 Dec 2014 | 13 Jan 2022 | Wales | June 1964 | Bwthyn, Brynffynnon, Y Felinheli, Gwynedd, LL56 4SX, Wales |
| BERRY, Lynne RESIGNED | Director | 24 Oct 2019 | 23 Oct 2023 | England | January 1953 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| BHARUCHA, Chitra, Dr RESIGNED | Director | 22 Oct 2019 | 21 Oct 2023 | England | April 1945 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| BOULDING, Hilary RESIGNED | Director | 27 Mar 2008 | 25 Apr 2017 | United Kingdom | January 1957 | The Cider Press, Whitebrook, Gwent, NP25 4TU |
| BRAITHWAITE, Helena RESIGNED | Director | | 10 Apr 1993 | Wales | April 1938 | 48 Bridge Street, Llandaff, Cardiff, South Glamorgan, CF5 2EN |
| BUNKER, Anthony George RESIGNED | Director | 29 Mar 2007 | 25 Apr 2017 | United Kingdom | October 1944 | Arana, Hitchin Road, Letchworth, Hertfordshire, SU6 3LL |
| CRICKHOWELL, Ankaret, Lady RESIGNED | Director | | 17 May 1996 | | June 1937 | 4 Henning Street, London, SW11 3DR |
| DADA, Matthew Olatokunbo RESIGNED | Director | 27 Feb 2017 | 13 Jan 2022 | England | January 1990 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| DAVIDSON, Jane Elizabeth RESIGNED | Director | | 13 Sep 1993 | | March 1957 | Bod Hedd, Main Road, Gwaelod Y Garth, Cardiff, South Glamorgan, CF15 9HJ |
| DAVIES, David, Lord RESIGNED | Director | | 28 Sep 2006 | United Kingdom | October 1940 | Plas Dinam, Llandinam, Powys, SY17 5DQ |
| DAVIES, Geraint Talfan RESIGNED | Director | 07 Sep 2006 | 01 Jul 2016 | Wales | December 1943 | 15 The Parade, Whitchurch, Cardiff, CF14 2EF |
| DAVIES, Geraint Talfan RESIGNED | Director | 21 Feb 2000 | 25 Sep 2003 | Wales | December 1943 | 15 The Parade, Whitchurch, Cardiff, CF14 2EF |
| DAVIS, Peter John, Sir RESIGNED | Director | 30 Jun 2013 | 17 Dec 2015 | England | December 1941 | Benwell House, Upper Oddington, Moreton-In-Marsh, Gloucestershire, GL56 0XG, England |
| DEVLIN, Graham Thomas RESIGNED | Director | 07 Oct 2010 | 21 Mar 2013 | United Kingdom | November 1948 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| EMERY-WALLIS, Frederick Alfred John RESIGNED | Director | | 19 Oct 1998 | | May 1927 | Froddington, Craneswater Park, Portsmouth, Hampshire, PO4 0NR |
| EVANS, Daniel Gwyn RESIGNED | Director | 11 Dec 2014 | 22 Jul 2021 | England | July 1973 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| EVANS, John Wynford RESIGNED | Director | | 04 Oct 1993 | | November 1934 | Hafod Wen 34 St Fagans Drive, St Fagans, Cardiff, South Glamorgan, CF5 6EF |
| FINDLAY, Paul Hudson Douglas RESIGNED | Director | 24 Nov 2005 | 21 Mar 2013 | United Kingdom | September 1943 | 1 Lower Merton Rise, London, NW3 3RA |
| FOSTER, Joanna Katharine RESIGNED | Director | | 10 Oct 1994 | | May 1938 | Meadow House, Mill Lane Islip, Oxford, Oxfordshire, OX5 2SZ |
| GRIFFITHS, John Henry, Councillor RESIGNED | Director | | 04 Oct 1993 | | November 1920 | 16 Bryntirion Avenue, Rhyl, Clwyd, LL18 3NP |
| HALES, Antony John RESIGNED | Director | 07 Oct 2010 | 31 Jan 2019 | United Kingdom | May 1948 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| HAMMOND, John Richmond Paul RESIGNED | Director | 26 Oct 1993 | 10 Oct 1994 | United Kingdom | December 1927 | Durley Mill, Botley, Hampshire, SO32 2BP |
| HUDSON-DAVIES, Bernt Hugh Reinhardt RESIGNED | Director | | 23 Oct 2000 | | September 1932 | Pen-Y-Bair Partishow Hill, Forest, Abergavenny, Gwent, NP7 7LR |
| HUSSELBY, William Eric RESIGNED | Director | 19 Oct 1993 | 31 Aug 2008 | | July 1939 | Barwick House, Stanhoe, Kings Lynn, Norfolk, PE31 8PZ |
| INKIN, Geoffrey David RESIGNED | Director | 04 Oct 1993 | 23 Mar 1995 | | October 1934 | West Wing, Oakgrove, Chepstow, Gwent, NP6 6EH |
| JOHNSON, Richard Trevor RESIGNED | Director | 04 Oct 1993 | 22 Nov 2001 | | June 1930 | Avoncourt North Road, Leigh Woods, Bristol, Avon, BS8 3PN |
| JONES, Awen Fflur RESIGNED | Director | 07 Jan 2010 | 07 Oct 2019 | Wales | November 1975 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| JONES, Gareth Cyril, Dr RESIGNED | Director | | 10 Oct 1994 | | May 1933 | 23 Forest Park, Clyro, Hay On Wye, Hereford, Herefordshire, HR3 5SG |
| JONES, Geraint Stanley, Dr RESIGNED | Director | | 10 Oct 1994 | Wales | April 1936 | 12 Lady Mary Road, Roath Park, Cardiff, South Glamorgan, CF23 5NS |
| JONES, Robert Hefin, Doctor RESIGNED | Director | | 10 Oct 1994 | | June 1932 | 34 The Grange, Cardiff, South Glamorgan, CF5 2LH |
| JONES, Samuel Barnaby RESIGNED | Director | 15 Feb 2019 | 24 Oct 2023 | United Kingdom | October 1979 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| JONES, Thomas James, Councillor RESIGNED | Director | | 03 Feb 1994 | | April 1924 | 93 Penderry Road, Penlan, Swansea, West Glamorgan, SA5 7EX |
| LEWIS, Anthony Robert RESIGNED | Director | 27 Mar 2003 | 25 May 2006 | | July 1938 | Foyswell, Fairoak Lane, Stratfield Saye, Hampshire, RG7 2EA |
| LEWIS, Christine Elizabeth RESIGNED | Director | | 24 Mar 2011 | Wales | January 1948 | 2 Holmesdale Place, Penarth, Vale Of Glamorgan, CF64 3BB |
| LORIMER, John Howard RESIGNED | Director | 26 Mar 2009 | 22 Mar 2012 | United Kingdom | January 1953 | 38 Lincoln House, Basil Street, London, SW3 1AW |
| MAJOR, Norma, Dame RESIGNED | Director | 25 Oct 1999 | 25 Feb 2003 | | February 1942 | Finings, Great Stukeley, Huntingdon, Cambridgeshire, PE17 5AF |
| MATHIAS, Peter Robert Geoffrey RESIGNED | Director | | 17 Mar 1994 | Wales | August 1943 | Waterways, Lisvane Road, Lisvane, Cardiff, South Glamorgan, CF14 0SF |
| MCDONALD, Donald Benjamin RESIGNED | Director | 27 Oct 1997 | 17 Mar 2000 | | September 1938 | 4 Chesterfield, 450 Edgecliffe Road, Edgecliff, Nsw, 2090, Australia |
| MCINTOSH, Genistamary, The Baroness Mcintosh Of Hudnall RESIGNED | Director | 17 Apr 2000 | 27 Mar 2003 | | September 1946 | 24 Speed House, Barbican, London, EC2Y 8AT |
| MCINTOSH OF HUDNALL, Genista Mary, Baroness RESIGNED | Director | 29 Jan 2004 | 13 Dec 2007 | United Kingdom | September 1946 | The Little House, 9 Town Street, Thaxted, CM6 2LD |
| MCMASTER, Brian John, Sir RESIGNED | Director | 23 Oct 2000 | 22 Nov 2001 | United Kingdom | May 1943 | Top Flat 13 James Court, Lawnmarket, Edinburgh, EH1 2PB, Scotland |
| MILLER, Andrew James RESIGNED | Director | 15 Feb 2019 | 13 Jan 2022 | England | October 1966 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| MINFORD, Anthony Patrick Leslie RESIGNED | Director | 04 Oct 1993 | 19 Oct 1998 | | May 1943 | 32 Golf Links Road, Birkenhead, Merseyside, L42 8LW |
| MOLYNEUX, Mark Thomas John RESIGNED | Director | 17 Mar 2016 | 22 Jan 2019 | Wales | October 1954 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| MORELAND, Margaret Elizabeth RESIGNED | Director | | 12 Jan 2004 | | June 1914 | 67 Glendower Court, Velindre Road, Whichurch, Cardiff, CF4 7JJ |
| MORGAN, Howard John RESIGNED | Director | | 10 Oct 1994 | Wales | November 1938 | Sunnyside Farm, Three Crosses, Swansea, West Glamorgan, SA4 3PU |
| O'NEILL, Dennis RESIGNED | Director | 27 Mar 2003 | 25 Mar 2010 | United Kingdom | February 1948 | 4 Dyfrig Street, Cardiff, South Glamorgan, CF11 9LR |
| OSMAN, Sally RESIGNED | Director | 20 Mar 2014 | 28 May 2015 | England | May 1959 | 2, Whitehall Park Road, London, W4 3NE, England |
| PERKINS, Peter George RESIGNED | Director | | 04 Oct 1993 | | April 1937 | 77 Pentrebane Street, Grangetown, Cardiff, CF11 7LP |
| PETERSON, Alan Edward RESIGNED | Director | 19 Sep 2005 | 27 Sep 2006 | | October 1947 | 153 Cyncoed Road, Cyncoed, Cardiff, CF23 6AG |
| PHILLIPS, Peter Sean RESIGNED | Director | 10 Oct 1994 | 25 Mar 2010 | United Kingdom | July 1942 | Drift House, Astley, Shrewsbury, SY4 3BP |
| PHILLIPS, Peter Sean RESIGNED | Director | | 04 Oct 1993 | | July 1942 | Grinshill Hall, Grinshill, Shrewsbury, Shropshire, SY4 3BL |
| POULTON, Mary Emily Denise RESIGNED | Director | 28 Nov 2003 | 22 Mar 2012 | United Kingdom | April 1965 | 4 St Marys Grove, Barnes, London, SW13 0JA |
| PRICHARD, Mathew Caradoc Thomas RESIGNED | Director | 25 Sep 2003 | 20 Mar 2014 | Wales | September 1943 | Bettws Lodge, Bettws Newydd, Usk, Gwent, NP15 1JN, United Kingdom |
| RICHARDS, Aileen Verity RESIGNED | Director | 22 Oct 2019 | 20 Oct 2025 | United Kingdom | February 1959 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| RICHARDS, Elizabeth Menna RESIGNED | Director | 07 Oct 2010 | 10 Jul 2018 | Wales | February 1953 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| ROBINSON, Ann, Dr RESIGNED | Director | | 10 Oct 1994 | | January 1937 | Northridge House, Usk Road, Shirenewton, Monmouthshire, NP16 6RZ |
| RYAN, Martyn RESIGNED | Director | 27 Feb 2017 | 26 Feb 2024 | England | December 1957 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| SANDBACH, David RESIGNED | Director | | 12 Jun 1994 | | November 1923 | 2 Craigsiog Drive, Llandudno, Gwyngad, LL30 |
| SELIGMAN, David Joseph RESIGNED | Director | | 23 Oct 2000 | Wales | April 1928 | 22 West Orchard Crescent, Cardiff, South Glamorgan, CF5 1AR |
| THOMAS, Roger Geraint RESIGNED | Director | 23 Oct 2000 | 25 Mar 2010 | Wales | July 1945 | Cliff Lea, Cliff Parade, Penarth, South Glam, CF64 5BP |
| THOMAS, Stephen Charles RESIGNED | Director | 07 Oct 2010 | 14 Jul 2017 | Wales | February 1953 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| TOOLEY, John, Sir RESIGNED | Director | | 23 Oct 2000 | | June 1924 | 32 First Street, London, SW3 2LD |
| TURTON, Richard Charles RESIGNED | Director | 04 Oct 1993 | 30 Jun 2004 | | December 1936 | Doverbeck 34 Main Street, Woodborough, Nottingham, Nottinghamshire, NG14 6EA |
| VAUGHAN JONES, Yvette Anne RESIGNED | Director | 09 Oct 2019 | 07 Oct 2025 | Wales | July 1952 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| WALTERS, Donald, Sir RESIGNED | Director | | 23 Oct 2000 | United Kingdom | October 1925 | 120 Cyncoed Road, Cyncoed, Cardiff, South Glamorgan, CF23 6BL |
| WATTS, Gregory Alexander RESIGNED | Director | 14 Nov 2005 | 27 Feb 2017 | United Kingdom | April 1966 | Kpmg Llp Salisbury Square House, 8 Salisbury Square, London, EC4Y 8BB |
| WEBSTER, James Colin Eden RESIGNED | Director | 08 Jul 1996 | 19 Sep 2005 | | March 1936 | The Old Rectory Church End, Standlake, Witney, Oxfordshire, OX8 7SG |
| WIGLEY, Elinor Bennett, Lady RESIGNED | Director | 04 Oct 1993 | 10 Oct 1994 | Wales | April 1943 | Hen Efail, Bontnewydd, Caernarfon, Gwynedd, LL54 7YH |
| WILLIAMS, David Lincoln RESIGNED | Director | 04 May 1994 | 22 Nov 2001 | United Kingdom | February 1937 | Rose Revived, Llantrithyd, Cowbridge, South Glamorgan, CF7 7UB |
| WYATT, Alan Will RESIGNED | Director | 30 Jun 2013 | 11 Apr 2019 | United Kingdom | January 1942 | Wales Millennium Centre, Bute Place Cardiff Bay, Cardiff, South Glamorgan, CF10 5AL |
| YOUNG, Lita Marianne, Lady Young Of Graffham RESIGNED | Director | 30 Oct 1993 | 23 Oct 2000 | | March 1937 | 28 York Terrace West, London, NW1 4QA |