| PARKER, Elizabeth Anne ACTIVE | Secretary | 24 Apr 2023 | | | | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| BLUETT, Andrew James ACTIVE | Director | 29 Sep 2018 | | England | September 1955 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| COTTERELL, Caroline Jane ACTIVE | Director | 20 Nov 2025 | | United Kingdom | July 1970 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| FURZE, Jane ACTIVE | Director | 25 Nov 2017 | | England | March 1965 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| HOOPER, Paul ACTIVE | Director | 20 Nov 2025 | | England | July 1968 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| MAJHUTIAK, Joshua Ivan ACTIVE | Director | 20 Nov 2025 | | England | October 1990 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| MONK, Kathryn Anne, Professor ACTIVE | Director | 21 Nov 2024 | | England | November 1954 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| SPENCER, Elizabeth Nicola ACTIVE | Director | 05 Dec 2020 | | England | February 1975 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| WALSH, Amy Rose ACTIVE | Director | 17 Nov 2022 | | England | July 1992 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| WHITE, Richard Peter ACTIVE | Director | 05 Dec 2020 | | United Kingdom | September 1971 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| WRAY, Stephanie, Dr ACTIVE | Director | 20 Nov 2025 | | England | June 1966 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX, United Kingdom |
| WYATT, Barry Trevor ACTIVE | Director | 17 Nov 2022 | | United Kingdom | February 1968 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| MCGLONE, Gordon, Dr RESIGNED | Secretary | | 31 Jan 2013 | | | 21 St Georges Close, Upper Cam, Dursley, Gloucestershire, GL11 5PH |
| MORTLOCK, Roger RESIGNED | Secretary | 01 Feb 2013 | 21 Apr 2023 | | | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| BAINBRIDGE, Mark Sebastian RESIGNED | Director | 26 Nov 2005 | 24 Nov 2007 | England | January 1964 | 2 Biddulph Cottages, Kemble, Gloucestershire, GL7 6AQ |
| BEAUFORT, Caroline Jane, Duchess RESIGNED | Director | | 29 Apr 1995 | | August 1928 | Badminton, Avon, GL9 1DB |
| BENNETT, Donald Peter RESIGNED | Director | | 01 Jun 1996 | | March 1922 | 19 The Avenue, Charlton Kings, Cheltenham, Gloucestershire, GL53 9BL |
| BENNETT, Margaret Patricia RESIGNED | Director | 21 Nov 1992 | 15 Jan 1998 | | August 1930 | Stonelea Keble Lawns, Fairford, Gloucestershire, GL7 4BQ |
| BERKELEY, Charles RESIGNED | Director | 14 Nov 2015 | 08 May 2017 | England | October 1968 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| BIRCHALL, Peter, Major RESIGNED | Director | | 01 Jun 1996 | | September 1907 | Cotswold Farm, Duntisbourne Abbotts, Cirencester, Gloucestershire, GL7 7JS |
| BOYD, Ian George RESIGNED | Director | 16 Nov 2013 | 06 Feb 2019 | England | December 1954 | Whittington Lodge Farm, Whittington, Cheltenham, Gloucestershire, GL54 4HB, England |
| BULLOCK, David John, Dr RESIGNED | Director | 05 Oct 2019 | 29 Apr 2025 | England | May 1954 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| BUSHELL, Cyril Anthony RESIGNED | Director | 25 Nov 2000 | 25 Jan 2005 | | July 1938 | 7 Saint Judes Walk Chancel Park, Charlton Kings, Cheltenham, Gloucestershire, GL53 7RU |
| BUTLER, Elizabeth RESIGNED | Director | 21 Jan 1999 | 24 Nov 2007 | United Kingdom | July 1946 | Tuns Farmhouse, Huntley, Gloucester, Gloucestershire, GL19 3HJ |
| BYNG, Sally Catherine RESIGNED | Director | 12 Nov 2016 | 20 Nov 2025 | England | February 1956 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| CAMPBELL, Bruce Moodie, Dr RESIGNED | Director | | 15 Dec 1993 | | June 1912 | West End Barn, Wootton, Woodstock, Oxford, OX20 1DL |
| CAMPBELL, Charles Mark Gray RESIGNED | Director | 20 Nov 1993 | 30 Jun 2004 | United Kingdom | October 1959 | Hole Cottage, Westend, Stonehouse, Glos, GL10 3SL |
| CHARTERIS, James Donald, The Honourable RESIGNED | Director | | 01 Jun 1996 | United Kingdom | June 1948 | Stanway, Cheltenham, Gloucester, GL4 5PH |
| CLIFFORD, Jane Ava Anne Gonne RESIGNED | Director | 21 Jan 1999 | 20 Nov 2004 | England | August 1950 | Manor Farm Frampton On Severn, Frampton On Severn, Gloucester, GL2 7EP |
| CLIFFORD, Jane Ava Anne Gonne RESIGNED | Director | | 20 Nov 2004 | England | August 1950 | Manor Farm Frampton On Severn, Frampton On Severn, Gloucester, GL2 7EP |
| COYTE, Amy Manuella RESIGNED | Director | 16 Nov 2013 | 17 Nov 2022 | England | December 1961 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| CRAWFORD, Susan Lavender RESIGNED | Director | 20 Nov 2010 | 29 Sep 2018 | United Kingdom | November 1959 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| CURWEN, David Niel RESIGNED | Director | | 23 Nov 2002 | | January 1930 | Yew Tree Cottage, Boundary Court North Woodchester, Stroud, Gloucestershire, GL5 5PL |
| DARLING, William Hunter RESIGNED | Director | | 19 Nov 1994 | | October 1927 | Sheepscote Lower End, Daglingworth, Cirencester, Gloucestershire, GL7 7AL |
| DUDDRIDGE, Peter James RESIGNED | Director | | 19 Nov 1994 | | February 1924 | 8 Hatherley Court Road, Cheltenham, Gloucestershire, GL51 5AQ |
| DUNN, James Craig RESIGNED | Director | 22 Nov 2003 | 24 May 2005 | | October 1941 | Byeways, Stepping Stone Lane, Painswick, Gloucestershire, GL6 6RU |
| EDWARDS, Keith RESIGNED | Director | 22 Nov 1997 | 01 Mar 1998 | | November 1940 | Lynwood, Main Road Minsterworth, Gloucester, GL2 8JS |
| ELWES, Henry William George, Sir RESIGNED | Director | 21 Nov 1992 | 23 Nov 1997 | England | October 1935 | Colesbourne Park, Nr Cheltenham, Cheltenham, Gloucestershire, GL53 9NP |
| FISHER, Martin Gilbert Wilson RESIGNED | Director | 28 Nov 1998 | 25 Nov 2000 | | March 1943 | Rosetta Cottage Goose Lane, Bollow, Westbury On Severn, Gloucestershire, GL14 1QX |
| FORD, Nicholas John RESIGNED | Director | 29 Sep 2018 | 21 Nov 2024 | United Kingdom | October 1956 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| GAGE, Roy Derek RESIGNED | Director | 23 Nov 1991 | 27 Nov 1999 | | May 1932 | Garter Court Cottage, Coaley, Dursley, Gloucestershire, GL11 5AT |
| GALE, Mark Colin RESIGNED | Director | 20 Nov 2004 | 12 Nov 2016 | United Kingdom | August 1957 | 53, Swindon Road, Swindon, Gloucestershire, GL50 4AH |
| GODREY JONES, Leslie Edwin RESIGNED | Director | | 19 Nov 1993 | | February 1910 | 43 Pegasus Court, Cheltenham, Gloucestershire, GL51 5AB |
| GOODALL, Stephen Edward Montague, Brigadier RESIGNED | Director | 19 Nov 1994 | 01 Jun 1996 | | June 1922 | Trumpy Green Farmhouse, Gossington, Slimbridge, Gloucester, GL2 7DN |
| GOODENOUGH, Anne, Professor RESIGNED | Director | 14 Nov 2015 | 21 Nov 2024 | England | July 1983 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| GUEST, Timothy Richard RESIGNED | Director | 22 Nov 2008 | 25 Nov 2017 | United Kingdom | December 1951 | Leachfield House, Southrop, Lechlade, Gloucestershire, GL7 3NU |
| GUGGENHEIM, Oscar Armand RESIGNED | Director | | 01 Jun 1996 | | January 1904 | Byerley Private Road, Rodborough Common, Stroud, Gloucestershire, GL5 5BT |
| HAILSTONE, Maureen RESIGNED | Director | | 01 Jun 1996 | | May 1942 | 2 Saxon Close, Longlevens, Gloucester, Gloucestershire, GL2 0TZ |
| HALL, Martin John Dennis RESIGNED | Director | 22 Nov 2003 | 17 Nov 2012 | England | October 1956 | The Firs, Coaley, Dursley, Gloucestershire, GL11 5DX |
| HAWKINS, Janet Evelyn RESIGNED | Director | 20 Nov 1993 | 23 Nov 1997 | | August 1955 | 6 West Field, Highnam, Gloucester, GL2 8LX |
| HIRD, Anthony Victor RESIGNED | Director | 25 Nov 2006 | 14 Nov 2015 | United Kingdom | January 1947 | 42 Bafford Lane, Charlton Kings, Cheltenham, Gloucestershire, GL53 8DP |
| HORWOOD, Martin Charles RESIGNED | Director | 12 Nov 2016 | 27 May 2025 | England | October 1962 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| JAGGER, Terence RESIGNED | Director | 20 Nov 2004 | 26 Nov 2005 | | October 1956 | Lower Barn Cottage, Winson, Cirencester, Gloucestershire, GL7 5ER |
| JOHNSTONE, Michael Frederick RESIGNED | Director | 26 Nov 1995 | 14 Dec 2010 | United Kingdom | January 1962 | Church House, High Street, Hillesley, Wotton Under Edge, Gloucestershire, GL12 7RS |
| JONES, David Wyndham RESIGNED | Director | 25 Nov 2017 | 16 Nov 2023 | England | January 1964 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| JONES, Grant, Doctor RESIGNED | Director | 22 Nov 2008 | 31 Mar 2010 | | August 1965 | Lansdowne, Drake Lane, Upper Cam, Gloucestershire, GL11 5HD |
| KERR, Andrew Nigel RESIGNED | Director | 28 Nov 1998 | 12 Nov 2016 | England | August 1953 | Poplar Gate Lodge, Stanley Downton, Stonehouse, Gloucestershire, GL10 3QX |
| KIRBY, Jeffrey Stephen, Dr RESIGNED | Director | 25 Nov 2000 | 31 Jan 2002 | England | March 1961 | Brookend House, Old Brookend, Berkeley, Gloucestershire, GL13 9SQ |
| LONG, David Charles RESIGNED | Director | | 01 Jun 1996 | | July 1937 | 20 Hall Road, Leckhampton, Cheltenham, Gloucestershire, GL53 0HE |
| MARTIN, Michael, Dr RESIGNED | Director | 23 Nov 2002 | 30 Mar 2010 | | June 1939 | 43 Harcourt Road, Redland, Bristol, Avon, BS6 7RF |
| MCCLOSKEY, Rosemary Margaret RESIGNED | Director | 05 Oct 2019 | 23 Apr 2021 | England | October 1990 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| MILLAR, Hazel Doreen RESIGNED | Director | 16 Nov 2013 | 29 Sep 2018 | England | July 1952 | 3, Wormwood Hill, Horsley, Gloucestershire, GL6 0PP, England |
| MILLER, John Vincent RESIGNED | Director | | 25 Nov 1995 | England | June 1925 | Old Coxhorne London Road, Charlton Kings, Cheltenham, Gloucestershire, GL52 6UX |
| O HALLORAN, John Arthur RESIGNED | Director | | 25 Nov 1995 | | October 1928 | Hyde Grange, Chalford, Stroud, Gloucestershire, GL6 8PA |
| OBEE, Margaret Alice RESIGNED | Director | | 01 Jun 1996 | | June 1937 | 35 Fox Elms Road, Tuffley, Gloucester, Gloucestershire, GL4 0BG |
| PEAKE, Jack Moreton Lovett RESIGNED | Director | | 01 Jun 1996 | | March 1918 | 3 Wychbury Close, Cheltenham, Gloucestershire, GL53 0HT |
| PEPPER, David Edwin, Sir RESIGNED | Director | 14 Nov 2015 | 21 Nov 2024 | England | February 1948 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| PHILLIPS, Cassandra Frances RESIGNED | Director | 20 Nov 2010 | 25 Nov 2017 | United Kingdom | December 1940 | 30, Painswick Road, Cheltenham, Gloucestershire, GL50 2HA, United Kingdom |
| PRITCHARD, Stephen Goronwy RESIGNED | Director | 25 Nov 2006 | 14 Nov 2015 | United Kingdom | January 1957 | Camp Farm Cottage, The Camp, Stroud, Gloucestershire, GL6 7HJ |
| RICHARDS, Gill, Lady RESIGNED | Director | 24 Nov 2007 | 19 Nov 2011 | United Kingdom | September 1948 | Kings Mill House, Kings Mill Lane, Painswick, Gloucestershire, GL6 6RT |
| RICHARDSON, Anthony Edward RESIGNED | Director | 12 Nov 2016 | 27 Feb 2020 | England | May 1954 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| RICKETTS, Anne Theresa, Lady RESIGNED | Director | | 01 Jun 1996 | | April 1919 | Forwood House, Minchinhampton, Stroud, Gloucestershire, GL6 9AB |
| RILEY, Edna Ethel RESIGNED | Director | | 25 Nov 1995 | | November 1926 | 14 The Scarr, Newent, Gloucestershire, GL18 1DQ |
| RUNDALL, Francis Richard Seton RESIGNED | Director | 19 Nov 2011 | 05 Dec 2020 | England | July 1951 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| SCOTT, Phillipa RESIGNED | Director | | 01 Jun 1996 | | November 1918 | Wildfowl And Wetlands Trust, Slimbridge, Gloucester, Gloucestershire, GL2 7BS |
| SEAGER, John, Dr RESIGNED | Director | 01 Jun 1996 | 22 Nov 2003 | United Kingdom | October 1958 | 1 Orange End, Inglestone Common, Badminton, South Gloucestershire, GL9 1BP |
| SMART, Michael RESIGNED | Director | 22 Nov 2003 | 29 Sep 2018 | United Kingdom | June 1941 | 143 Cheltenham Road, Gloucester, Gloucestershire, GL2 0JH |
| SMITH, Harold William RESIGNED | Director | | 25 Nov 1995 | | March 1947 | 29 Porchester Road, Hucclecote, Gloucester, Gloucestershire, GL3 3EE |
| SMITH, Nigel Fearn Clive RESIGNED | Director | | 20 Nov 2004 | | January 1928 | Vynes Farmhouse Malvern Road, Staunton, Gloucester, Gloucestershire, GL19 3NZ |
| SMITH, Simon Timothy Richard RESIGNED | Director | 25 Nov 2000 | 20 Nov 2004 | England | March 1963 | Well House, Winstone, Cirencester, Gloucestershire, GL7 7JU |
| SONLEY, Peter RESIGNED | Director | | 01 Jun 1996 | | November 1926 | 11 Katherines Walk, Lechlade, Gloucestershire, GL7 3DA |
| SOUTHGATE, Mark Paul RESIGNED | Director | 19 Nov 2011 | 05 Dec 2020 | United Kingdom | February 1964 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| SPARROW, Chishole Edward Hugh, Brigadier RESIGNED | Director | | 01 Jun 1996 | | January 1908 | Buckholt, Frampton-On-Severn, Gloucester, Gloucestershire, GL2 7ED |
| THOMAS, Graham Martin RESIGNED | Director | 20 Nov 2004 | 24 Nov 2007 | United Kingdom | October 1954 | Castle Cottage, Woodchester, Stroud, Gloucestershire, GL5 5LL |
| THORNE, Jessica Madeline Ann RESIGNED | Director | 06 Nov 2021 | 17 Nov 2022 | Scotland | January 1997 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| TOLLEMACHE, Hugh John Hamilton, The Hon RESIGNED | Director | 25 Nov 2006 | 22 Nov 2014 | United Kingdom | February 1946 | Hyde Mill, Stow On The Wold, Gloucestershire, GL54 1LA |
| TUFNELL, Mark Henry RESIGNED | Director | 26 Nov 2005 | 09 Nov 2006 | United Kingdom | November 1964 | Calmsden Manor, Calmsden, Cirencester, Gloucestershire, GL7 5ET |
| WALDRON, Emma Mary Louise RESIGNED | Director | 17 Nov 2022 | 04 Feb 2026 | England | October 1996 | Conservation Centre, Robinswood Hill Country Park, Reservoir Road, Gloucester, Glos, GL4 6SX |
| WILLIS, Alan Raymond RESIGNED | Director | | 28 Dec 1998 | | July 1928 | River Cottage 171, Ewen, Cirencester, Gloucestershire, GL7 6BT |
| WORKMAN, John Henry Bowstead RESIGNED | Director | | 19 Nov 1993 | | November 1923 | Far End, Sheepscombe, Stroud, Gloucestershire, GL6 7RL |
| WYE, Sheila Barbara RESIGNED | Director | | 19 Nov 1994 | | August 1935 | The Organic Shop, The Square Stow-On-The-Wold, Cheltenham, Gloucestershire, GL54 1AB |