| MARTIN, Louise Emily ACTIVE | Secretary | 10 Aug 2026 | | | | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| ELIAS, Nia ACTIVE | Director | 12 May 2021 | | Wales | November 1979 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| SIMCOX, Marc ACTIVE | Director | 08 Sep 2022 | | Wales | April 1980 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| WILLIAMS, Nia ACTIVE | Director | 21 Mar 2024 | | Wales | July 1967 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| GRACE, Clive Lester, Dr RESIGNED | Secretary | 26 Apr 1996 | 01 Feb 2001 | | | Old Rectory, Llanfoist, Abergavenny, Gwent, NP7 9NF |
| LLOYD, Anthony Gwilym RESIGNED | Secretary | 01 Feb 2001 | 07 May 2009 | | | 16 Pant Poeth, Broadlands, Bridgend, Glamorgan, CF31 5BD |
| MORRIS, Jennifer RESIGNED | Secretary | 07 Jan 2026 | 09 Aug 2026 | | | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| PERRY, Michael John RESIGNED | Secretary | | 31 Mar 1996 | | | County Hall, Cwmbran, Gwent, NP44 2XH |
| RAINEY, Mark William RESIGNED | Secretary | 12 May 2011 | 05 Jan 2012 | | | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| RUELLE, Yvonne Michelle RESIGNED | Secretary | 10 May 2016 | 07 Jan 2026 | | | National Museum Wales, Cathays Park, Cardiff, CF10 3NP, Wales |
| SHEPPARD, Jonathan Lance RESIGNED | Secretary | 07 May 2009 | 03 May 2011 | | | 7, Borrowdale Close, Penylan, Cardiff, CF23 5LQ, Wales |
| WICKS, Neil RESIGNED | Secretary | 01 Feb 2012 | 10 May 2016 | | | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| ANDERSON, David James Charles RESIGNED | Director | 04 Nov 2010 | 10 Dec 2022 | United Kingdom | August 1952 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| BUSHBY, Philip David RESIGNED | Director | 06 Apr 2023 | 25 Jan 2024 | Wales | May 1968 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| CLARKE, Michael John RESIGNED | Director | | 01 Feb 2001 | | March 1927 | Osbaston House, Monmouth, Gwent, NP5 4BB |
| DAVIES, Arwyn Rhodri RESIGNED | Director | 19 Dec 2006 | 07 Dec 2010 | Wales | April 1970 | Brynteg Gwynfa, Nantycaws, Carmarthen, SA32 8HF |
| DAVIES, John Williams RESIGNED | Director | 01 Feb 2001 | 31 Mar 2003 | | December 1949 | 31 The Verlands, Cowbridge, Cardiff, South Glamorgan, CF71 7BY |
| GLOSTER, Richard James RESIGNED | Director | 31 Jan 2013 | 16 Oct 2020 | Wales | January 1952 | Isallt, Portmadoc Road, Criccieth, LL52 0HP, Wales |
| GRIFFITHS, Catherine Elizabeth RESIGNED | Director | | 08 Mar 1992 | | September 1917 | Pencasgarn Farm, Trevethin, Pontypool, Gwent, MP4 8TR |
| HOULIHAN, Michael Patrick RESIGNED | Director | 14 Apr 2003 | 08 Aug 2010 | United Kingdom | September 1948 | 35 Fairleigh Road, Pontcanna, Cardiff, CF11 9JW |
| IRWIN, Lyndon Lloyd RESIGNED | Director | 08 Aug 1995 | 31 Mar 1996 | | October 1929 | 13 Grove Crescent, Trevethin, Pontypool, Gwent, NP4 8DR |
| JACKSON, Chris Robert RESIGNED | Director | 31 Jan 2013 | 23 Feb 2021 | Wales | January 1948 | 10, Pine Court, Llanrwst Road, Colwyn Bay, Clwyd, LL28 5YL, Wales |
| JAMES, Sarah Eleanor Anne RESIGNED | Director | | 20 Sep 1999 | | June 1919 | 9 Ty Newydd Court, Pontnewydd, Cwmbran, Gwent, NP44 1LJ |
| JAMES-WATKINS, Karen Anne RESIGNED | Director | 01 Jul 2013 | 21 Apr 2017 | Wales | April 1969 | Natioanl Museums & Galleries Of Wales Enterprises, Cathays Park, Cardiff, CF10 3NP, Wales |
| JONES, Ronald William RESIGNED | Director | 03 Jun 1993 | 31 Mar 1996 | | August 1935 | 107 Hillview, Gaer Road, Newport, Gwent, NP9 3HZ |
| LEIGHFIELD, Keith George RESIGNED | Director | 23 Jun 1995 | 01 Feb 2001 | | August 1946 | 85 Back Lane, Whittington, Lichfield, Staffordshire, WS14 9SA |
| LEWIS, David John Bowen RESIGNED | Director | 01 Apr 2003 | 31 Oct 2007 | Wales | February 1931 | 2 Holmesdale Place, Penarth, Vale Of Glamorgan, CF64 3BB |
| LEWIS, Neil Dermot, Councillor RESIGNED | Director | | 31 Mar 1996 | | March 1945 | 14a New James Street, Blaenavon, Torfaen, Gwent, NP4 9JU |
| LLYWELYN, Sian RESIGNED | Director | 07 Dec 2006 | 21 Mar 2013 | Wales | September 1960 | Porth-Y-Castell, Portmeirion, Minffordd, Penrhyndeudraeth, Gwynedd, LL48 6EN |
| MACAULAY, Christina Jane RESIGNED | Director | 19 Jun 2008 | 03 Nov 2015 | Wales | March 1964 | 25, Butleigh Avenue, Cardiff, South Glamorgan, CF5 1BX, United Kingdom |
| MARSHALL, John Arthur RESIGNED | Director | | 01 Feb 2001 | Wales | July 1936 | Kelsha Bungalow, Pentwyn, Abersychan, Pontypool, Gwent, NP4 7TA |
| MORGAN, Robert John RESIGNED | Director | 01 Apr 2003 | 29 Sep 2005 | | December 1935 | 10 Rest Bay Close, Porthcawl, Mid Glamorgan, CF36 3UN |
| NASH, Philip RESIGNED | Director | | 01 Feb 2001 | | July 1960 | Lyncrest Pentrepiod Road, Pontnewynydd, Pontypool, Gwent, NP4 6RG |
| NASH, Richard William RESIGNED | Director | 24 Jun 2014 | 22 Feb 2021 | United Kingdom | June 1974 | National Museum Wales, Cathays Park, Cardiff, CF10 3NP, Wales |
| OWEN-JONES, Stuart, Dr RESIGNED | Director | | 13 Oct 1998 | | July 1938 | 314 Cyncoed Road, Cyncoed, Cardiff, South Glamorgan, CF2 6RY |
| PEMBRIDGE, John Jeffrey RESIGNED | Director | | 03 Jun 1993 | | January 1942 | 39 Maesglas Grove, Newport, Gwent, NP9 3DJ |
| POLLARD, Vivien Mary RESIGNED | Director | 05 Sep 2003 | 01 Sep 2009 | | March 1940 | Victoria Cottage, 67 Eastgate, Cowbridge, Vale Of Glamorgan, CF71 7AA |
| PRICHARD, Mathew Caradoc Thomas RESIGNED | Director | 01 Apr 2003 | 31 Oct 2007 | United Kingdom | September 1943 | Pwllywrach, Colwinston, Cowbridge, South Glamorgan, CF71 7NJ |
| PUDDLE, Dennis Wyndham RESIGNED | Director | | 01 Feb 2001 | | December 1919 | 100 Elgam Avenue, Blaenavon, Gwent, NP4 9QU |
| REES, Ruth Joy RESIGNED | Director | 11 Apr 1995 | 31 Mar 1996 | | July 1928 | Pen-Y-Bryn Waunllapria, Llanelly Hill, Abergavenny, Gwent, NP7 0PW |
| RICHARDS, Mark RESIGNED | Director | 12 May 2011 | 18 Dec 2015 | United Kingdom | February 1959 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| RICHARDS, Mark RESIGNED | Director | 01 Apr 2003 | 21 May 2004 | United Kingdom | February 1959 | 15 Bryn Coed, Radyr, Cardiff, CF15 8RH |
| RICHARDS, Sarah RESIGNED | Director | 27 Nov 1997 | 01 Feb 2001 | | June 1930 | 21 Grosmont Place, Croestceiliog, Cwmbran, Gwent, NP44 2QX |
| RIDDLESTON, Bryan RESIGNED | Director | 24 Aug 1994 | 01 Feb 2001 | | December 1947 | Maple Lodge, The Orchard Plas Derwen, Abergavenny, Gwent, NP7 9QZ |
| ROBERTS, Phyllis RESIGNED | Director | | 20 Sep 1999 | | April 1924 | 105 Elgam Avenue, Blaenavon, Gwent, NP4 9QT |
| SALTER, Michael Anthony John RESIGNED | Director | 01 Apr 2003 | 28 Oct 2004 | Wales | May 1943 | Shepherds Hall, Heol Hir Lisvane, Cardiff, South Wales, CF14 9UD |
| SEATON, Jessica Ruth RESIGNED | Director | 10 May 2016 | 31 Dec 2019 | Wales | March 1956 | National Museum Wales, Cathays Park, Cardiff, CF10 3NP, Wales |
| SHEPPARD, Jonathan Lance RESIGNED | Director | 21 May 2004 | 03 May 2011 | Wales | August 1952 | 7, Borrowdale Close, Penylan, Cardiff, CF23 5LQ, Wales |
| SMITH, Brian Edward RESIGNED | Director | 23 Aug 1996 | 01 Feb 2001 | | August 1940 | 2 Neyland Path, Fairwater, Cwmbran, Gwent, NP44 4PX |
| SMITH, Philip Andrew RESIGNED | Director | 04 Sep 2008 | 28 Jun 2013 | United Kingdom | March 1968 | Melville House, High Street, Ruardean, Gloucestershire, GL17 9US, United Kingdom |
| SMITH, Sylvia RESIGNED | Director | 12 May 2021 | 10 Dec 2021 | Wales | March 1981 | National Museum Cardiff, National Museum Cardiff, Cathays Park, Cardiff, CF10 3NP |
| SNOWSILL, Nerys Howell RESIGNED | Director | 01 Sep 2009 | 31 Jan 2013 | Wales | August 1956 | Ty Clyd, 96, Heol Isaf, Radyr, Cardiff, CF15 8EA |
| THOMAS, Arwel Vaughan RESIGNED | Director | | 11 Jul 1994 | | December 1950 | British Coal Corporation, Tredomen Offices, Hengoed, Mid Glam, CF8 7WF |
| THOMAS, Marlene RESIGNED | Director | 03 Jun 1993 | 20 Jun 1995 | Wales | September 1932 | 26 Plantation Drive, Croesyceiliog, Cwmbran, Gwent, NP44 2AN |
| TOUHIG, Donald RESIGNED | Director | | 11 Apr 1995 | | December 1947 | The Mount Greenhill Road, Griffithstown, Pontypool, Gwent, NP4 5BE |
| WAIT, Arthur George RESIGNED | Director | | 27 Nov 1997 | | October 1910 | 6 Calcot Houses, Croesyceiliog, Cwmbran, Gwent, NP44 2BA |
| WELLINGTON, Robert George RESIGNED | Director | 20 Sep 1999 | 01 Feb 2001 | | October 1941 | 277 Pandy, Greenmeadow, Torfaen, NP44 4LA |
| WICKS, Neil Andrew RESIGNED | Director | 10 May 2016 | 31 Jul 2022 | Welsh British | January 1965 | Amgueddfa Cymru - National Museum Wales, Cathays Park, Cardiff, CF10 3NP, Wales |
| WILLIAM, Eurwyn RESIGNED | Director | 01 Feb 2001 | 31 Mar 2003 | | February 1949 | 42 Saint Fagans Drive, St. Fagans, Cardiff, CF5 6EF |
| WILLIAMS, Gareth James RESIGNED | Director | 21 Apr 2005 | 31 May 2014 | United Kingdom | December 1944 | Great House, Treoes, Vale Of Glamorgan, CF35 5DH |
| WOODCOCK, John Stephen RESIGNED | Director | | 12 Feb 1992 | | February 1950 | Parkway Hotel & Conference Centre, Ty Coch Lane, Llantarnam Park Way, Cwmbran, Gwent, NP44 3UW |