| BOWYER, Guy Frederick John ACTIVE | Secretary | 25 Sep 2023 | | | | De Grey House, St Leonard's Place, York, YO1 7HE, United Kingdom |
| BUTLER, Charles Hedley Esdon ACTIVE | Director | | | Ireland | May 1967 | Glenealy Lodge, Cull Na Coille, Glenealy, Co. Wicklow, Ireland |
| BUTLER, Vanessa Rachel Morrell ACTIVE | Director | 14 Oct 1992 | | Ireland | February 1970 | 18, Eaton Square, Monkstown, Co Dublin, Ireland |
| GAWTHORP, Anna Euphemia ACTIVE | Director | 10 Nov 2023 | | England | December 1973 | Lea House, The Green, Nun Monkton, York, YO26 8ER, England |
| GRIERSON, James Roderick Jocelyn ACTIVE | Director | 04 Nov 2024 | | England | January 1960 | Brocket House, Moor Lane, Copmanthorpe, York, YO23 3TN, England |
| MORRELL, James Robert ACTIVE | Director | 28 Oct 1999 | | England | April 1978 | Field House, Church Street, Goldsborough, Knaresborough, North Yorkshire, HG5 8NR, England |
| MORRELL, Jeremy Spence ACTIVE | Director | 02 Feb 1998 | | South Africa | July 1976 | De Grey House, St Leonard's Place, York, YO1 7HE, United Kingdom |
| MORRELL, Margaret Anne ACTIVE | Director | | | United Kingdom | January 1947 | The Hollow, Lower Firth Common, Tenbury Wells, Worcestershire, WR15 8JU, England |
| MORRELL, Olivia Holden ACTIVE | Director | 10 Oct 2003 | | United Kingdom | December 1981 | 9, Roads Place, London, N19 4TA, England |
| NAISH, James Edward ACTIVE | Director | 04 Nov 2024 | | England | February 1972 | De Grey House, St Leonard's Place, York, YO1 7HE, United Kingdom |
| BRYANT, Jonathan Andrew RESIGNED | Secretary | 01 Apr 2018 | 25 Sep 2023 | | | De Grey House, St Leonard's Place, York, YO1 7HE, United Kingdom |
| HESELTON, Charles Geoffrey RESIGNED | Secretary | | 21 Oct 1993 | | | Whipsiderry 59 Holbeck Hill, Scarborough, North Yorkshire, YO11 3BJ |
| THAKE, Philip Arthur, Dr RESIGNED | Secretary | 21 Oct 1993 | 31 Mar 2018 | | | 14 Springfield Road, Upper Poppleton, York, North Yorkshire, YO26 6JL |
| BUTLER, Patricia Anne RESIGNED | Director | | 10 Jul 2026 | Ireland | July 1942 | The Dower House, Rossanagh, Ashford, Co Wicklow, IRISH |
| MORRELL, John Bowes RESIGNED | Director | | 22 Jul 2022 | United Kingdom | November 1942 | The Hollow, Lower Firth Common, Tenbury Wells, Worcestershire, WR15 8JU, England |
| MORRELL, Nicholas Cuthbert RESIGNED | Director | | 11 Nov 2023 | England | March 1949 | Harwood Cottages, Drimpton Road, Broadwindsor, Beaminster, DT8 3RS, England |
| MORRELL, Peter Spence, Professor RESIGNED | Director | | 21 Jul 2023 | United Kingdom | March 1946 | Stanborough Hundred, Halwell, Totnes, Devon, TQ9 7JG, United Kingdom |
| MORRELL, Philippa Ann RESIGNED | Director | | 25 Oct 1992 | | January 1948 | Lodge Farm Lowick Road, Aldwincle, Kettering, Northants, NN14 3EN |
| MORRELL, Ruth Isobel RESIGNED | Director | 18 Jul 2017 | 10 Jul 2026 | England | May 1958 | Stanborough Hundred, Halwell, Totnes, TQ9 7JG, England |