| LAYCOCK, Thomas James Brian ACTIVE | Secretary | 06 Sep 2018 | | | | 16, Brookvale Road, Southampton, SO17 1QP, England |
| ISAAC, Rebecca Charlotte ACTIVE | Director | 01 Jun 2022 | | England | August 1969 | 27 West Mall, West Mall, Bristol, BS8 4BG, England |
| KENNAWAY, Anthony ACTIVE | Director | 26 Mar 2024 | | Switzerland | May 1973 | Sägegasse 17, Sägegasse 17, 8702 Zollikon, Switzerland |
| LAYCOCK, Thomas James Brian ACTIVE | Director | 04 Sep 2018 | | England | September 1992 | 16, Brookvale Road, Southampton, SO17 1QP, England |
| LEWIS, Christopher George ACTIVE | Director | 24 Mar 2000 | | United Kingdom | January 1975 | York Cottage, Langford Road, Lower Langford, Somerset, BS40 5HU |
| WEI, Ian Piper ACTIVE | Director | | | United Kingdom | June 1960 | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| GRAHAM, Stephen Richard RESIGNED | Secretary | 01 Aug 2004 | 25 May 2006 | | | Garden Flat, 16 College Road, Bristol, BS8 3HZ |
| KEAST, Michael David RESIGNED | Secretary | | 27 Aug 1999 | | | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| KENNAWAY, Gabrielle Mary, Director RESIGNED | Secretary | 04 Jun 2006 | 01 Aug 2009 | | | 32, Rylett Crescent, London, W12 9RL |
| LAYCOCK, Heather Norah, Dr RESIGNED | Secretary | 01 Aug 2009 | 17 Sep 2018 | | | 16, Brookvale Road, Southampton, Hampshire, SO17 1QP |
| SURRY, Nicholas Rowland George RESIGNED | Secretary | 01 Oct 1999 | 19 May 2001 | | | Garden Flat 27 West Mall, Clifton, Bristol, BS8 4BG |
| WEI, Ian Piper RESIGNED | Secretary | 19 May 2001 | 01 Aug 2004 | | | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| ASHWORTH, John, Dr RESIGNED | Director | 05 Apr 2013 | 27 Nov 2014 | United Kingdom | September 1971 | 27, West Mall, Bristol, BS8 4BG, England |
| BIRD, Caroline RESIGNED | Director | 01 Dec 2014 | 01 Jun 2022 | United Kingdom | January 1964 | Longcroft, Welsh Street, Chepstow, Gwent, NP16 5LU, Wales |
| BIRKETT, Anthony James RESIGNED | Director | | 01 Jul 1993 | | October 1954 | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| EDGE, Philip Andrew RESIGNED | Director | | 01 Jan 1992 | | July 1951 | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| FAIRBAIRN, Ian Malcolm RESIGNED | Director | | 01 Mar 1994 | | November 1959 | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| FAIRBAIRN, Janis Anne RESIGNED | Director | | 31 Aug 1998 | | January 1962 | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| GRAHAM, Stephen Richard RESIGNED | Director | 18 May 2001 | 25 May 2006 | England | December 1948 | Garden Flat, 16 College Road, Bristol, BS8 3HZ |
| KEAST, Michael David RESIGNED | Director | | 27 Aug 1999 | | February 1941 | 27 West Mall, Clifton, Bristol, Avon, BS8 4BG |
| KENNAWAY, Gabrielle Mary, Director RESIGNED | Director | 20 Oct 1998 | 01 Dec 2017 | Great Britain | June 1943 | 32, Rylett Crescent, London, W12 9RL |
| KENNAWAY, Robert Ian RESIGNED | Director | 01 Jan 2018 | 27 May 2024 | England | July 1938 | 16, Brookvale Road, Southampton, SO17 1QP, England |
| KENNAWAY, Roger Ian RESIGNED | Director | 01 Jan 2018 | 08 Jan 2020 | England | July 1938 | 16, Brookvale Road, Southampton, SO17 1QP, England |
| LAYCOCK, Heather Norah, Dr RESIGNED | Director | 01 Jul 1992 | 17 Sep 2018 | United Kingdom | October 1956 | 16, Brookvale Road, Southampton, Hampshire, SO17 1QP |
| PIRIE, Olivia Jane RESIGNED | Director | 04 Jul 2007 | 05 Feb 2013 | United Kingdom | September 1975 | 27 West Mall, Bristol, Avon, BS8 4BG |
| SURRY, Nicholas Rowland George RESIGNED | Director | 01 Sep 1998 | 19 May 2001 | | October 1959 | Garden Flat 27 West Mall, Clifton, Bristol, BS8 4BG |
| TENNANT, Patrick Robert Craig RESIGNED | Director | 01 Jul 1993 | 19 Oct 1998 | | March 1906 | 27 Westmall, Clifton, Bristol, Avon, BS8 4BG |
| WARD, Ira RESIGNED | Director | 04 Jun 2006 | 04 Jul 2007 | | January 1950 | Rose Cottage, Powerstock, Bridport, Dorset, DT6 3TF |