| DAWSON, Martin ACTIVE | Secretary | 06 Mar 2023 | | | | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| DAWSON, Martin ACTIVE | Director | 27 Apr 2026 | | England | October 1970 | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| FOWLER, Sarah Louise ACTIVE | Director | 26 Aug 2026 | | England | July 1969 | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| BARGE, Robert Hamilton RESIGNED | Secretary | 01 Jul 2001 | 05 Nov 2001 | | | 5 Middle Hill Crescent, Chalford Hill, Stroud, Gloucestershire, GL6 8BE |
| BILSON, Sarah Jane RESIGNED | Secretary | 31 Dec 1997 | 30 Jun 2001 | | | 44 Seven Waters, Leonard Stanley, Stonehouse, Gloucestershire, GL10 3PA |
| DAW, Michael Garry RESIGNED | Secretary | 01 Jan 2005 | 15 Aug 2005 | | | 17 Davallia Drive, Up Hatherley, Cheltenham, Gloucestershire, GL51 3XG |
| GODFREY, Alison Louise RESIGNED | Secretary | 15 Sep 2003 | 31 Dec 2004 | | | 48 West End, Minchinhampton, Gloucestershire, GL6 9JA |
| LEED, Stuart Douglas RESIGNED | Secretary | 28 Jul 2014 | 28 Jan 2015 | | | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| LEED, Stuart Douglas RESIGNED | Secretary | 23 Jun 2011 | 13 Dec 2012 | | | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| REW, John Leslie RESIGNED | Secretary | 15 Oct 2018 | 03 Mar 2023 | | | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| ROBSHAW, Terence Ian RESIGNED | Secretary | 13 Jul 1995 | 31 Dec 1997 | | | Applegarth Bosbury Road, Cradley, Malvern, Worcestershire, WR13 5LT |
| SCOTT, Nicholas Stephen RESIGNED | Secretary | 06 Nov 2001 | 15 Sep 2003 | | | Margarets, New Road, Littledean, Gloucestershire, GL14 3JX |
| SPENCER, Elizabeth Nicola RESIGNED | Secretary | 28 Jan 2015 | 25 May 2018 | | | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| SPENCER, Elizabeth Nicola RESIGNED | Secretary | 13 Dec 2012 | 28 Jul 2014 | | | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| SPENCER, Elizabeth Nicola RESIGNED | Secretary | 16 Aug 2005 | 23 Jun 2011 | | | 22 Worley Ridge, Nailsworth, Gloucestershire, GL6 0DP |
| STAUNTON, Robin Mark RESIGNED | Secretary | 27 Apr 1995 | 13 Jul 1995 | | | Moat Farm Bickfield Lane, Compton Martin, Bristol, Avon, BS40 6NF |
| BERRY, Richard Langley RESIGNED | Director | 19 Jan 2004 | 17 May 2004 | United Kingdom | May 1950 | Harvest Hill, Littleworth, Faringdon, Oxfordshire, SN7 8JJ |
| DINNIS, Clare RESIGNED | Director | 27 Apr 2026 | 26 Aug 2026 | England | June 1975 | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| HULYER, Douglas William RESIGNED | Director | 17 May 2004 | 17 Jan 2006 | United Kingdom | April 1952 | Thornton 148 Thrupp Lane, Thrupp, Stroud, Gloucestershire, GL5 2EF |
| LAMBERT, Elaine Margaret RESIGNED | Director | 17 Jan 2006 | 28 Feb 2007 | | February 1968 | The Old Pumphouse, Nutbourne Common, Pulborough, West Sussex, RH20 2HB |
| OWEN, Myrfyn RESIGNED | Director | 13 Jul 1995 | 31 Dec 1997 | | April 1943 | Woodleigh 62 Woodmancote, Dursley, Gloucestershire, GL11 4NQ |
| PEBERDY, Kevin John RESIGNED | Director | 07 May 2020 | 15 May 2026 | England | December 1963 | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| PYPER, Timothy Edward RESIGNED | Director | 27 Apr 1995 | 13 Jul 1995 | England | November 1944 | Stock Farm, Stock Hill, Littleton Upon Severn, Bristol, Avon, BS35 1NL |
| RICHARDSON, Anthony Edward RESIGNED | Director | 24 Mar 1998 | 28 Nov 2003 | | May 1954 | 17 Torchacre Rise, Dursley, Gloucestershire, GL11 4LW |
| ROBINSON, James Alexander, Dr RESIGNED | Director | 07 May 2020 | 18 Aug 2023 | England | April 1973 | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| ROBSHAW, Terence Ian RESIGNED | Director | 13 Jul 1995 | 05 Jul 2004 | England | February 1946 | Applegarth Bosbury Road, Cradley, Malvern, Worcestershire, WR13 5LT |
| SPENCER, Elizabeth Nicola RESIGNED | Director | 21 Feb 2007 | 25 May 2018 | United Kingdom | February 1975 | 22 Worley Ridge, Nailsworth, Gloucestershire, GL6 0DP |
| SPRAY, Martin Coulson RESIGNED | Director | 19 Jan 2004 | 11 May 2020 | England | June 1951 | Slimbridge, Gloucester, Gloucestershire, GL2 7BT |
| STAUNTON, Robin Mark RESIGNED | Director | 27 Apr 1995 | 13 Jul 1995 | United Kingdom | May 1957 | Moat Farm Bickfield Lane, Compton Martin, Bristol, Avon, BS40 6NF |