| DAWSON, Martin ACTIVE | Secretary | 06 Mar 2023 | | | | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| DAWSON, Martin ACTIVE | Director | 06 Mar 2023 | | England | October 1970 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| LANE, Alexandra ACTIVE | Director | 03 Feb 2023 | | England | May 1968 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| WILSON, Philip Charles ACTIVE | Director | 18 Jan 2024 | | England | October 1955 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| BARGE, Robert Hamilton RESIGNED | Secretary | 01 Jul 2001 | 04 Nov 2001 | | | 5 Middle Hill Crescent, Chalford Hill, Stroud, Gloucestershire, GL6 8BE |
| BILSON, Sarah Jane RESIGNED | Secretary | 05 Sep 1995 | 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 |
| HEANEY, Timothy Daniel RESIGNED | Secretary | | 05 Sep 1995 | | | 10 Railway Terrace, Fishponds, Bristol, Avon, BS16 4LP |
| LEED, Stuart Douglas RESIGNED | Secretary | 01 Apr 2014 | 28 Jan 2015 | | | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| LEED, Stuart Douglas RESIGNED | Secretary | 23 Jun 2011 | 13 Dec 2012 | | | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| REW, John Leslie RESIGNED | Secretary | 25 May 2018 | 03 Mar 2023 | | | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| 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 | | | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| SPENCER, Elizabeth Nicola RESIGNED | Secretary | 13 Dec 2012 | 01 Apr 2014 | | | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| SPENCER, Elizabeth Nicola RESIGNED | Secretary | 16 Aug 2005 | 23 Jun 2011 | | | 22 Worley Ridge, Nailsworth, Gloucestershire, GL6 0DP |
| BARTON, Peter Anthony RESIGNED | Director | 25 Mar 1993 | 11 Jan 2008 | | June 1947 | 9 Clifton Road, Southport, Merseyside, PR8 6HJ |
| BERRY, Richard Langley RESIGNED | Director | 25 Sep 2000 | 17 May 2004 | United Kingdom | May 1950 | Harvest Hill, Littleworth, Faringdon, Oxfordshire, SN7 8JJ |
| CARTER, Matthew RESIGNED | Director | 01 Jun 2018 | 13 May 2022 | United Kingdom | May 1967 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| COYTE, Amy Manuella RESIGNED | Director | 01 Jan 2012 | 18 Feb 2014 | England | December 1961 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| DAW, Michael Garry RESIGNED | Director | 19 Jan 2004 | 15 Aug 2005 | England | April 1955 | 17 Davallia Drive, Up Hatherley, Cheltenham, Gloucestershire, GL51 3XG |
| DEAN, Jane Elizabeth Bonnar RESIGNED | Director | 19 Feb 2020 | 14 Nov 2023 | England | March 1955 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| HILL, Roccie Carol RESIGNED | Director | | 25 Mar 1993 | | May 1952 | Wards Court House, The Green, Frampton-On-Severn, Gloucestershire, GL2 7DY |
| LAMBERT, Elaine Margaret RESIGNED | Director | 21 Mar 2006 | 28 Feb 2007 | | February 1968 | The Old Pumphouse, Nutbourne Common, Pulborough, West Sussex, RH20 2HB |
| OWEN, Myrfyn, Dr RESIGNED | Director | 23 Mar 1994 | 31 Dec 1997 | | April 1943 | 62 Woodmancote, Dursley, Glos, GL11 4AQ |
| PEBERDY, Kevin John RESIGNED | Director | 22 Sep 2016 | 18 Jan 2024 | England | December 1963 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| REW, John Leslie RESIGNED | Director | 25 May 2018 | 03 Mar 2023 | England | August 1972 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| RICHARDSON, Anthony Edward RESIGNED | Director | 24 Mar 1998 | 28 Nov 2003 | | May 1954 | 17 Torchacre Rise, Dursley, Gloucestershire, GL11 4LW |
| ROBSHAW, Terence Ian RESIGNED | Director | | 05 Jul 2004 | England | February 1946 | Applegarth Bosbury Road, Cradley, Malvern, Worcestershire, WR13 5LT |
| SAJID, Salim RESIGNED | Director | 20 Jun 2013 | 30 Jun 2016 | England | September 1964 | Muswell Hill Cottage, Vicarage Lane, Piddington, Bicester, Oxfordshire, OX25 1QA, England |
| SEYMOUR, Ruth RESIGNED | Director | 01 Nov 2011 | 08 Aug 2016 | England | February 1976 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| SMITH, Philip Andrew RESIGNED | Director | 19 Feb 2020 | 11 Nov 2023 | England | March 1968 | Wwt, Slimbridge, Gloucestershire, GL2 7BT |
| SPENCER, Elizabeth Nicola RESIGNED | Director | 21 Mar 2006 | 25 May 2018 | United Kingdom | February 1975 | 22 Worley Ridge, Nailsworth, Gloucestershire, GL6 0DP |
| SPRAY, Martin Coulson RESIGNED | Director | 19 Jan 2004 | 13 Sep 2016 | England | June 1951 | Millham Cottage, The Millham, West Hendred, Oxfordshire, OX12 8RN |
| STRACHAN, Bruce Buchan RESIGNED | Director | 09 Sep 2008 | 11 Jan 2019 | United Kingdom | September 1965 | 9, Gowy Road, Mickle Trafford, Chester, Cheshire, CH2 4DN |
| VINCENT, Lucy Nicola RESIGNED | Director | 21 Mar 2006 | 01 Jul 2011 | Wales | May 1967 | Corrob, Penmoel Lane Woodcroft, Chepstow, NP16 7PX |
| WILSON, Ian Michael RESIGNED | Director | 06 Sep 2007 | 16 Mar 2018 | United Kingdom | December 1967 | 14 Leapgate Avenue, Stourport, Worcestershire, DY13 9GN |