| BERTHOLON, Ludovic ACTIVE | Director | 16 Apr 2025 | | England | June 1986 | Beechwood House, The Drive, Duporth, St. Austell, PL26 6AL, England |
| CRANE, Lucy Victoria Taylor ACTIVE | Director | 16 Apr 2025 | | England | October 1990 | 16, Pendennis Rise, Falmouth, TR11 4LT, England |
| EYRE, John ACTIVE | Director | 05 Jul 2024 | | United Kingdom | February 1954 | Briar Nook, Primrose Terrace, Portreath, Redruth, Cornwall, TR16 4JS, United Kingdom |
| HICKS, Katherine Jane ACTIVE | Director | 05 Aug 2015 | | England | January 1978 | Hidaway, Higher Pennance, Lanner, Redruth, Cornwall, TR16 5TU, United Kingdom |
| HUDSON-EDWARDS, Karen, Professor ACTIVE | Director | 30 Apr 2025 | | England | July 1962 | 32, North Street, Lostwithiel, PL22 0EF, England |
| TOFTS, Christopher ACTIVE | Director | 03 Oct 2017 | | England | April 1977 | Osprey House, Malpas Road, Truro, TR1 1UT, England |
| YEOMANS, Christopher Mark ACTIVE | Director | 30 Apr 2025 | | England | April 1989 | 21, Trevonnen Road, Ponsanooth, Truro, TR3 7AZ, England |
| BALLARD, Bernard John RESIGNED | Secretary | 01 Jan 1995 | 31 Jan 2024 | | | 8 Strangways Villas, Truro, Cornwall, TR1 2PA |
| ELLIOTT, Anthony John RESIGNED | Secretary | | 31 Dec 1994 | | | 11 Crellow Fields, Stithians, Truro, Cornwall, TR3 7RE |
| BALLARD, Bernard John RESIGNED | Director | 15 Aug 2016 | 31 Jan 2024 | England | January 1954 | Wheal Jane Group, Wheal Jane Earth Science Park, Baldhu, Truro, Cornwall, TR3 6EE, England |
| BENNETT, Tony Stanton RESIGNED | Director | 05 Aug 2015 | 16 Apr 2025 | England | August 1958 | Silverwinds, Twelveheads, Truro, Cornwall, TR4 8SN, England |
| BULLEN, Lawrence Joffre RESIGNED | Director | 24 Jun 2003 | 03 Mar 2006 | | December 1930 | Warleggan 33 Wellington Road, Camborne, Cornwall, TR14 7LH |
| CALVER, Brian RESIGNED | Director | | 31 Dec 1992 | | June 1943 | 4 Park Lane, Old Basing, Basingstoke, Hampshire, RG24 7HE |
| CLOTHIER, Kim-Marie RESIGNED | Director | 03 Oct 2017 | 04 Mar 2024 | England | May 1978 | Ncc Unit 2, Ncc Unit 2 Mount Pleasant Eco Park, Porthtowan, Truro, Cornwall, TR4 8HL, United Kingdom |
| CONIBEAR, Joshua James RESIGNED | Director | 30 Apr 2025 | 06 Mar 2026 | England | April 1992 | Trevarrick House, Gorran, St. Austell, PL26 6LS, England |
| ELLIOTT, Anthony John RESIGNED | Director | 25 Jun 2003 | 30 Aug 2012 | England | January 1947 | 11 Crellow Fields, Stithians, Truro, Cornwall, TR3 7RE |
| GILES, Thomas Derek Bullivant RESIGNED | Director | 25 Jun 2003 | 06 Aug 2015 | United Kingdom | February 1937 | Castle Gotha Farm, Porthpean, St Austell, Cornwall, PL26 6AZ |
| GOWAN, Murray RESIGNED | Director | | 01 Aug 2022 | United Kingdom | August 1932 | 3 Meadowside, Tregrehan Mills, St Austell, Cornwall, PL25 3TJ |
| LAMOND, Ian Douglas RESIGNED | Director | 18 Jun 2002 | 03 Oct 2017 | England | July 1951 | Chygowlin, Kea, Truro, Cornwall, TR3 6AG |
| WAITE, Ian Clapham RESIGNED | Director | | 26 Apr 2006 | | September 1930 | 3 Cross Lane, St Austell, Cornwall, PL25 4AX |
| WALL, Frances RESIGNED | Director | 19 Aug 2024 | 16 Apr 2025 | England | November 1962 | Sabrina, Come-To-Good, Feock, Truro, TR3 6QS, England |