| HOSE, Anthony Paul ACTIVE | Director | 01 Jun 1995 | | United Kingdom | May 1944 | 6 Lon Y Celyn, Whitchurch, Cardiff, CF14 7BW |
| MATHIAS, Rhiannon, Dr ACTIVE | Director | 29 May 2021 | | United Kingdom | October 1968 | 92, Heathwood Gardens, London, SE7 8ER, England |
| MITCHELL, John Benjamin ACTIVE | Director | 16 Jul 2018 | | Wales | June 1964 | 92, Heathwood Gardens, Llanddona, London, SE7 8ER, United Kingdom |
| WILLIAMS, Jeremy Huw, Dr ACTIVE | Director | 12 Sep 2024 | | Wales | April 1969 | Ty Gwyn, Heol Isaf, Radyr, Cardiff, CF15 8DW, Wales |
| DAVIES, Alison Jayne RESIGNED | Secretary | 01 Jun 2004 | 01 Jan 2013 | | | 3, Tros Yr Afon, Beaumaris, Gwynedd, LL58 8BN, Wales |
| DAVIES, Eluned RESIGNED | Secretary | 31 May 1994 | 07 Apr 1999 | | | Ty'N Y Coed, Llangaffo, Gaerwen, Anglesey, LL60 6NE |
| LOCK, Anne RESIGNED | Secretary | 01 Jan 2013 | 01 Apr 2015 | | | 13, 13 Llanfaes Park, Beamaris, Wales |
| ANGUS, Violet Elliot RESIGNED | Director | 02 Sep 1998 | 22 Jun 2008 | | July 1927 | Tyddyn Isaf, Llandegfan, Menai Bridge, Ynys Mon, LL59 5RL |
| DAVIES, David Michael Wyndham RESIGNED | Director | 24 May 2021 | 17 Oct 2023 | Wales | July 1942 | 38, Cae Mair, Beaumaris, LL58 8YN, Wales |
| DAVIES, Edward John Alfred RESIGNED | Director | 01 Jul 2015 | 20 Jun 2019 | Wales | March 1942 | 7, Menai Ville Terrace, Menai Bridge, Gwynedd, LL59 5ES, Wales |
| DAVIES, Eluned RESIGNED | Director | 31 May 1994 | 07 Apr 1999 | Wales | May 1953 | Ty'N Y Coed, Llangaffo, Gaerwen, Anglesey, LL60 6NE |
| GRANT, Alistair RESIGNED | Director | 31 Jul 1998 | 01 Jul 2015 | United Kingdom | January 1936 | 3 Tros Yr Afon, Beaumaris, Isle Of Anglesey, LL58 8BN |
| GREEN, Janet Bramhall RESIGNED | Director | 31 May 1994 | 01 Jun 1995 | | July 1946 | 44a Castle Street, Beaumaris, Gwynedd, LL58 8BB |
| GREVESON, Warren RESIGNED | Director | 06 Aug 2008 | 31 Dec 2014 | United Kingdom | August 1956 | Capel Selon, Chapel Street, Beaumaris, Anglesey, LL58 8DS |
| LEA WILSON, Alison RESIGNED | Director | 01 Jun 1995 | 07 Jun 1997 | United Kingdom | March 1958 | Maes Y Porth, Dwyran, Anglesey, Gwynedd, LL61 6RF |
| LOCK, Maurice Alfred, Dr RESIGNED | Director | 31 May 1994 | 01 Jun 1995 | Wales | March 1947 | 13 Llanfaes Parc, Beaumaris, Anglesey, LL58 8RH |
| O'DELL, George Edward RESIGNED | Director | 03 Sep 1998 | 31 Dec 2013 | United Kingdom | June 1938 | 60 Castle Street, Beaumaris, Gwynedd, LL58 8BB |
| PURSER, Miriam Elizabeth RESIGNED | Director | 03 Aug 2009 | 31 Dec 2014 | United Kingdom | November 1936 | 24, Wexham Street, Beaumaris, Anglesey, LL58 8HW |
| TAYLOR, Jean RESIGNED | Director | 01 Jul 2015 | 16 Jul 2018 | Wales | November 1933 | Wylan House, Llanddona, Beaumaris, Gwynedd, LL58 8TR, Wales |
| THEAKSTON, Clay Jax RESIGNED | Director | 01 Jul 2015 | 02 May 2021 | Wales | September 1975 | 25, Stryd Llewelyn, Llanfaes, Beaumaris, Gwynedd, LL58 8LE, Wales |
| VERBI, Valerie Ann RESIGNED | Director | 01 Jul 2015 | 12 Sep 2024 | Wales | November 1943 | 20, Rating Row, Beaumaris, Gwynedd, LL58 8AF, Wales |
| VERBI, Valerie Ann RESIGNED | Director | 19 Jul 2008 | 16 Mar 2011 | Wales | November 1943 | 20, Rating Row, Beaumaris, Anglesey, LL58 8AF |