| HIGGINS, Claire Alison ACTIVE | Secretary | 15 Apr 2026 | | | | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| FLYNN, Margaret Clare, Dr ACTIVE | Director | 11 Dec 2019 | | Wales | November 1956 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| JAMES, Sue ACTIVE | Director | 20 Apr 2022 | | Wales | October 1950 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| JONES, John Idris ACTIVE | Director | 02 Apr 2024 | | Wales | May 1954 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| MEACHER, Nia Gwynn ACTIVE | Director | 27 Jan 2026 | | Wales | June 1964 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| THOMAS-HANNA, Claire Jane ACTIVE | Director | 08 Nov 2023 | | United Kingdom | June 1980 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| KNIGHT, Dorothy Jill RESIGNED | Secretary | | 15 Jul 1992 | | | 54 Upper Garth Road, Bangor, Gwynedd, LL57 2SS |
| PRENDERGAST, Nia Elen RESIGNED | Secretary | 01 Nov 2003 | 15 Apr 2026 | | | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| SADLER, Mark RESIGNED | Secretary | 15 Jul 1992 | 31 Oct 2003 | | | Ardwyn, Ffordd Siliwen, Bangor, Gwynedd, LL57 2BH |
| BARKER, Richard George RESIGNED | Director | 08 Dec 1999 | 09 Oct 2019 | United Kingdom | January 1949 | Cornelyn, Pentraeth Road, Menai Bridge, Gwynedd, LL59 5HS |
| BARKER, Richard George RESIGNED | Director | 23 Sep 1993 | 18 Dec 1996 | United Kingdom | January 1949 | Cornelyn, Pentraeth Road, Menai Bridge, Gwynedd, LL59 5HS |
| COATES, Michael Peter RESIGNED | Director | 03 Mar 2003 | 03 Jun 2005 | | July 1943 | Tai Bethania, Cynwyd, Corwen, Denbighshire, LL21 0LG |
| DAVIDSON, Martin Randal RESIGNED | Director | 27 Mar 2013 | 18 Oct 2017 | Wales | May 1955 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| DAVIES, Philip Edward RESIGNED | Director | 15 Mar 1995 | 26 Aug 1999 | | November 1948 | Limerick Cae Mair, Beaumaris, Anglesey, LL58 8YN |
| ELPHICK, Christopher Edward RESIGNED | Director | 26 Jan 1995 | 04 Apr 2000 | | September 1946 | Y Delyn 2 Chapel Street, Beaumaris, Gwynedd, LL58 8DS |
| GEORGE, Walis Wyn RESIGNED | Director | 17 Oct 2018 | 08 Dec 2021 | Wales | March 1960 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| GRANT, Jean Logan RESIGNED | Director | 10 Jun 1992 | 27 Jun 1997 | | December 1924 | Ty Nain, Lon St Ffraid Trearddur Bay, Holyhead, Gwynedd, LL65 2YR |
| HEALD, Timothy David RESIGNED | Director | 10 Jun 1992 | 20 Sep 1994 | | July 1947 | Ffridd, Carmel, Caernarvon, Gwynedd, LL54 7AW |
| HUGHES, Thomas Myrfyn RESIGNED | Director | 01 Jun 2009 | 20 Nov 2010 | United Kingdom | September 1947 | Gallt Y Ffrwd, Garreg Frech, Llanfrothen, Penrhyndeudraeth, Gwynedd, LL48 6DZ |
| JONES, Brian Glynne RESIGNED | Director | 01 Jun 1998 | 18 Jun 2003 | | November 1954 | 7 Ffrwd Galed, Tregarth, Bangor, Gwynedd, LL57 4PF |
| JONES, Brian Mervyn RESIGNED | Director | 22 Jan 1997 | 31 Jul 2025 | Wales | January 1947 | Cae Ddafydd, Carmel, Caernarfon, Gwynedd, LL54 7SP |
| KNIGHT, Dorothy Jill RESIGNED | Director | 14 Jul 1992 | 30 Jun 1996 | | September 1936 | 54 Upper Garth Road, Bangor, Gwynedd, LL57 2SS |
| OWEN, Julie Lloyd RESIGNED | Director | 26 Jun 2019 | 08 Dec 2021 | Wales | April 1957 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| PARRI, Meurig RESIGNED | Director | 26 Sep 1995 | 23 Jun 1997 | | September 1946 | Wern, Bryncelyn, Talysarn, Gwynedd, LL54 6AB |
| POOLE, Charmain Andrea RESIGNED | Director | 03 Mar 2003 | 03 Jun 2005 | Wales | July 1948 | Tai Bethania, Cynwyd, Corwen, Denbighshire, LL21 0LG |
| POTTER, Sheila Ann RESIGNED | Director | 18 Jan 1995 | 19 Nov 1999 | | June 1951 | Cefn Isa, Tynygroes, Conwy, Gwynedd, LL32 8TA |
| RADLEY, Ruth RESIGNED | Director | 13 Jan 1991 | 13 Apr 1994 | | April 1956 | 302 Caernarfon Road, Bangor, Gwynedd, LL57 4SG |
| RAMCHARAN, Paul Michael RESIGNED | Director | 05 Feb 1992 | 21 Feb 1995 | | April 1960 | Glaslyn, Valley Road, Llanfairfechan, Gwynedd, LL33 0SE |
| ROBERTS, Richard Gwynedd RESIGNED | Director | 05 Feb 1992 | 25 Apr 1995 | | November 1934 | Cefn Faes 74 Ffriddoedd Road, Bangor, Gwynedd, LL57 2TT |
| THOMAS, Margaret RESIGNED | Director | 10 Jun 1992 | 07 Sep 2009 | | March 1930 | 46 Mill Bank, Llandegfan, Menai Bridge, Gwynedd, LL59 5RD |
| WALSH, Jonathan Miles RESIGNED | Director | 20 Jan 2004 | 17 Feb 2025 | Wales | February 1962 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| WILLIAMS, Gwylan RESIGNED | Director | 20 Feb 2014 | 31 Mar 2024 | Wales | October 1952 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| WILLIAMS, John David RESIGNED | Director | 01 Oct 2009 | 17 Oct 2018 | United Kingdom | September 1949 | 6, Llys Britannia, Parc Menai, Bangor, Gwynedd, LL57 4BN |
| ANHEDDAU CYF RESIGNED | Director | 01 Sep 2009 | 01 Oct 2009 | | | 1, Steeple Corner, Wexham Street, Beaumaris, Anglesey, LL588ES |