| CLARKE, Philip Brian ACTIVE | Director | 13 May 2024 | | England | July 1970 | Cornwall Environmental Consultants, Five Acres, Allet, Truro, TR4 9DJ, England |
| COLLINGS-COSTELLO, Natasha May ACTIVE | Director | 01 Aug 2020 | | England | November 1983 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| SNAPES, Andrew James ACTIVE | Director | 03 Oct 2023 | | United Kingdom | April 1963 | Cornwall Environmental Consultants, Five Acres, Allet, Truro, TR4 9DJ, England |
| WALPOLE, Matthew John, Dr ACTIVE | Director | 14 Oct 2022 | | England | October 1971 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| WYLIE, Nicholas George ACTIVE | Director | 14 Sep 2026 | | England | April 1977 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| GILES, Thomas Derek Bullivant RESIGNED | Secretary | 08 Nov 1997 | 28 Aug 2003 | | | Castle Gotha Farm, Porthpean, St Austell, Cornwall, PL26 6AZ |
| LANGFORD, Donald Arthur RESIGNED | Secretary | 02 Aug 1991 | 17 Oct 1992 | | | 20 Sea Road, Carlyon Bay, St Austell, Cornwall, PL25 3SF |
| THORNEYCROFT, William Terence, Dr RESIGNED | Secretary | 17 Oct 1992 | 08 Nov 1997 | | | Springbok 49 Duporth Bay, Duporth, St Austell, Cornwall, PL26 6AQ |
| TREGENZA, Nicholas Jeremy Charles, Dr RESIGNED | Secretary | 08 Nov 2003 | 13 Oct 2020 | | | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| ATKINSON, Jennifer Angelique RESIGNED | Director | 18 Nov 2024 | 16 Mar 2026 | England | January 1978 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| CADMAN, Carolyn RESIGNED | Director | 22 Feb 2018 | 20 May 2022 | England | September 1975 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| COPPIN, Nicholas John RESIGNED | Director | 24 Nov 2017 | 21 Jan 2022 | England | March 1952 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| COYNE, Paul Anthony RESIGNED | Director | 08 Nov 2014 | 13 Nov 2020 | England | March 1947 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| CURTIS, David RESIGNED | Director | 04 Sep 1991 | 16 Apr 1996 | | October 1935 | Chy-An-Meneth, Downgate, Callington, Cornwall, PL17 8HL |
| EDWARDS, Trevor RESIGNED | Director | 04 Sep 1991 | 05 Jan 2018 | England | May 1957 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| FULLER, Gordon Edward RESIGNED | Director | 01 Feb 2019 | 22 Mar 2022 | England | June 1953 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| GILES, Thomas Derek Bullivant RESIGNED | Director | 02 Aug 1991 | 28 Aug 2003 | United Kingdom | February 1937 | Castle Gotha Farm, Porthpean, St Austell, Cornwall, PL26 6AZ |
| HANBURY-TENISON, Merlin RESIGNED | Director | 22 Mar 2022 | 08 Jun 2026 | England | May 1985 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| HILLS, Philip Nicholas RESIGNED | Director | 13 Nov 2004 | 14 Aug 2020 | United Kingdom | November 1962 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| JEWSON, Lucy Amanda RESIGNED | Director | 14 Aug 2020 | 04 Sep 2023 | England | March 1972 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| LANGFORD, Donald Arthur RESIGNED | Director | 02 Aug 1991 | 17 Oct 1992 | | June 1933 | 20 Sea Road, Carlyon Bay, St Austell, Cornwall, PL25 3SF |
| PYE, Ian Arnold RESIGNED | Director | 08 Nov 2014 | 09 Sep 2021 | England | May 1953 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| THORNEYCROFT, William Terence, Dr RESIGNED | Director | 04 Sep 1991 | 08 Nov 1997 | | April 1933 | Springbok 49 Duporth Bay, Duporth, St Austell, Cornwall, PL26 6AQ |
| TREGENZA, Nicholas Jeremy Charles, Dr RESIGNED | Director | 04 Sep 1991 | 13 Nov 2020 | United Kingdom | July 1945 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| VAUGHAN, Alison RESIGNED | Director | 08 Nov 1997 | 17 Nov 2002 | England | September 1949 | Lambourne House, Mount Hawke, Truro, Cornwall, TR4 8DH |
| WOODBRIDGE, Mark Julian RESIGNED | Director | 21 Jan 2022 | 29 Mar 2023 | England | February 1964 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |
| WOTTON, Fiona Catherine RESIGNED | Director | 14 Aug 2020 | 19 Mar 2021 | England | December 1974 | Five Acres, Allet, Truro, Cornwall , TR4 9DJ |