| JARRETT, Anthony James ACTIVE | Secretary | 28 Jun 2012 | | | | Y Plas, Machynlleth, Powys, SY20 8ER |
| AKEHURST, Nathan ACTIVE | Director | 06 Dec 2023 | | England | February 1993 | Y Plas, Machynlleth, Powys, SY20 8ER |
| BANFIELD, Mark Lawrence ACTIVE | Director | 20 Apr 2026 | | England | January 1975 | Y Plas, Machynlleth, Powys, SY20 8ER |
| BLOCKER, Olivia ACTIVE | Director | 20 Apr 2026 | | England | July 1992 | Y Plas, Machynlleth, Powys, SY20 8ER |
| HYATT, Tamsyn Elizabeth ACTIVE | Director | 06 Dec 2023 | | England | October 1987 | Y Plas, Machynlleth, Powys, SY20 8ER |
| MAGEE, Carrie ACTIVE | Director | 06 Dec 2023 | | England | December 1986 | Y Plas, Machynlleth, Powys, SY20 8ER |
| VARÈ, Chiara ACTIVE | Director | 20 Apr 2026 | | England | October 1995 | Y Plas, Machynlleth, Powys, SY20 8ER |
| VUKOVIC, Olgica ACTIVE | Director | 20 Apr 2026 | | Italy | July 1986 | Y Plas, Machynlleth, Powys, SY20 8ER |
| FRANKEL, Maurice RESIGNED | Secretary | | 06 Jun 2000 | | | 2 Orme Court Mews, London, W2 4AG |
| MEDAWAR, Peter Charles RESIGNED | Secretary | 07 Jun 2000 | 28 Jun 2012 | | | 2 St Georges Mews, London, NW1 8XG |
| ALTY, Janet Alison RESIGNED | Director | 05 Jun 2008 | 28 Jun 2012 | United Kingdom | February 1937 | 18 Lillington Road, Leamington, Warwickshire, CV32 5YY |
| ANDREWS, Emmanuelle Monica Myriam RESIGNED | Director | 30 May 2019 | 15 Sep 2025 | England | August 1994 | Y Plas, Machynlleth, Powys, SY20 8ER |
| ARMSTRONG, Frances Naomi RESIGNED | Director | 05 Jun 2008 | 03 Sep 2010 | England | February 1972 | 109 Saint Pancras Way, London, NW1 0RD |
| BAKER, Eleanor Anna RESIGNED | Director | 30 May 2019 | 13 Jun 2024 | England | April 1977 | Y Plas, Machynlleth, Powys, SY20 8ER |
| BESWICK, Joseph RESIGNED | Director | 30 May 2019 | 13 Jun 2024 | England | June 1987 | Y Plas, Machynlleth, Powys, SY20 8ER |
| CORNER, Adam, Dr RESIGNED | Director | 21 Sep 2011 | 25 Feb 2016 | United Kingdom | November 1982 | Y Plas, Machynlleth, Powys, SY20 8ER |
| FRANKEL, Maurice RESIGNED | Director | 06 Jun 2000 | 15 Mar 2018 | United Kingdom | December 1950 | Campaign For Freedom Of Information, 60, Farringdon Road, London, EC1R 3GA, England |
| HEBRON, Damian Peter RESIGNED | Director | 06 Mar 2024 | 02 Apr 2025 | England | March 1973 | Y Plas, Machynlleth, Powys, SY20 8ER |
| HELWEG-LARSEN, Timothy RESIGNED | Director | 01 Jan 2011 | 30 Nov 2017 | United Kingdom | July 1978 | Y Plas, Machynlleth, Powys, SY20 8ER |
| HOWARD, Jacqui Althea RESIGNED | Director | 22 Feb 2018 | 28 Nov 2019 | United Kingdom | April 1985 | 26a, Flat B, Hartland Road, London, NW1 8DD, England |
| HUNT, Christian RESIGNED | Director | 07 Jul 2009 | 12 Nov 2014 | England | April 1983 | 35b, Cricketfield Road, London, E5 8NR |
| KENWAY, Emily RESIGNED | Director | 30 Nov 2017 | 08 Dec 2022 | Scotland | February 1986 | Y Plas, Machynlleth, Powys, SY20 8ER |
| KIRK, Martin Giles Spencer RESIGNED | Director | 22 Feb 2018 | 20 Sep 2019 | United States | March 1972 | 1712, Steel Street, #7210, Louisville, Colorado, 80072, Usa |
| LEE-HARWOOD, Blake Jules RESIGNED | Director | 05 Jun 2008 | 10 Sep 2010 | United Kingdom | May 1962 | 30, Falmouth Avenue, London, E4 9QR |
| LUFF, Rebecca Camilla Isabel RESIGNED | Director | 28 Nov 2019 | 20 Apr 2026 | Scotland | June 1984 | Y Plas, Machynlleth, Powys, SY20 8ER |
| MCINTOSH, Kimberly Natasha RESIGNED | Director | 22 Feb 2018 | 27 Feb 2020 | United Kingdom | January 1991 | 59 Burns House, Doddington Grove, London, SE17 3SX, England |
| MCKAY, Lucy Brisbane RESIGNED | Director | 06 Mar 2024 | 15 Sep 2025 | United Kingdom | October 1992 | Y Plas, Machynlleth, Powys, SY20 8ER |
| MEDAWAR, Peter Charles RESIGNED | Director | 28 Jun 2012 | 12 Nov 2014 | United Kingdom | March 1942 | 2, St. Georges Mews, London, NW1 8XE, England |
| MILLAR, Charlotte Grace RESIGNED | Director | 21 May 2015 | 30 Aug 2018 | England | August 1977 | Flat 4, Block L, Peabody Estate, Camberwell Green, London, SE5 7BT, England |
| PHILLIPS OF SUDBURY OBE, Andrew Wyndham, Lord RESIGNED | Director | | 05 Jun 2008 | | March 1939 | River House, The Croft, Sudbury, Suffolk, CO10 1HW |
| SAMPSON, Anthony Terrall Seward RESIGNED | Director | | 18 Dec 2004 | | August 1926 | 10 Hereford Mansions, Hereford Road, London, W2 5BA |
| SCHNEEBERGER MBE, Kirsty Rose RESIGNED | Director | 21 Sep 2011 | 01 Jun 2017 | United Kingdom | November 1984 | Y Plas, Machynlleth, Powys, SY20 8ER |
| THOMAS-SMITH, Ayeisha RESIGNED | Director | 22 Feb 2018 | 28 Nov 2019 | United Kingdom | July 1991 | Flat 8, 2, Stepney Green, London, E1 3JU, England |
| THOROLD, Anthony Oliver RESIGNED | Director | | 07 Jul 2009 | United Kingdom | April 1945 | 8 Richmond Crescent, London, N1 0LZ |
| ZEALLEY, Christopher Bennett RESIGNED | Director | | 14 Aug 2017 | United Kingdom | May 1931 | Sneydhurst, Broadhempston, Totnes, Devon, TQ9 6AJ |
| ZLOTOWITZ, Sally, Doctor RESIGNED | Director | 22 Feb 2018 | 06 Mar 2024 | United Kingdom | September 1978 | Flat 1, Armstrong House, 146, Southwold Road, London, E5 9PB, England |