| HEPBURN, Nathaniel Timothy ACTIVE | Director | 05 Oct 2018 | | England | November 1981 | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| MORRISON, Anne Catherine ACTIVE | Director | 05 Jul 2022 | | England | August 1959 | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| PRICE, Caroline Fiona ACTIVE | Director | 05 Jul 2022 | | England | August 1964 | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| HIGSON, Sarah RESIGNED | Secretary | 20 Nov 2015 | 23 Dec 2019 | | | Charleston, Firle, Lewes, East Sussex, BN8 6LL, England |
| MARTIN, Alan Alfred Reginald RESIGNED | Secretary | | 14 Apr 2000 | | | 9 Lindley Court, Glamorgan Road, Hampton Wick, Kingston, Surrey, KT1 4HU |
| MCKENZIE, Colin RESIGNED | Secretary | 08 Dec 2006 | 15 Feb 2013 | | | 72 Upper North Street, Brighton, East Sussex, BN1 3FL |
| NICHOLSON, Virginia RESIGNED | Secretary | 15 Feb 2013 | 20 Nov 2015 | | | Charleston, Firle, Lewes, East Sussex, BN8 6LL, England |
| ROWNEY, Charles Michael RESIGNED | Secretary | 05 Oct 2018 | 10 Jan 2020 | | | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| RUSSELL, Andrew Neville RESIGNED | Secretary | 10 Feb 2006 | 08 Dec 2006 | | | Flat 2 18 Lewes Crescent, Brighton, East Sussex, BN2 1GB |
| TYRRELL, Julie Dawn RESIGNED | Secretary | 15 Sep 2017 | 31 May 2018 | | | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| UPTON, Alastair David RESIGNED | Secretary | 14 Apr 2000 | 10 Feb 2006 | | | 17 Brigden Street, Brighton, BN1 5DP |
| ZANDSTRA, Louise RESIGNED | Secretary | 04 Apr 2020 | 01 Mar 2024 | | | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| BERRY, Patrick John RESIGNED | Director | 14 Apr 2000 | 26 Jul 2013 | England | December 1940 | 34, St Nicholas Lane, Lewes, East Sussex, BN7 2JZ |
| CASSON, Dinah Victoria RESIGNED | Director | 27 Apr 2012 | 23 Jun 2017 | United Kingdom | October 1946 | Charleston, Firle, Lewes, East Sussex, BN8 6LL, England |
| CLIFTON, Ian Paul James RESIGNED | Director | 12 Mar 1993 | 10 Mar 1998 | | January 1943 | Lenham, Southover High Street, Lewes, East Sussex, BN7 1HX |
| FARTHING, Michael John Godfrey, Professor RESIGNED | Director | 01 Jul 2016 | 30 Mar 2022 | England | March 1948 | Charleston, Firle, Lewes, East Sussex, BN8 6LL |
| FOOT, Anthony Graeme RESIGNED | Director | 12 Mar 1993 | 14 Apr 2000 | | June 1947 | Windmill Cottage Yapton Road, Barnham, Bognor Regis, West Sussex, PO22 0BD |
| NEWTON, Nigel RESIGNED | Director | 27 Apr 2012 | 30 Jun 2016 | United Kingdom | June 1955 | Charleston, Firle, Lewes, East Sussex, BN8 6LL, England |
| NICHOLSON, Virginia RESIGNED | Director | | 30 Jun 2016 | England | October 1955 | Charleston, Firle, Lewes, East Sussex, BN8 6LL, England |
| PRICHARD, Jonathan Martin Robin RESIGNED | Director | 14 Apr 2000 | 05 Jul 2022 | United Kingdom | March 1952 | Charleston, Firle, Lewes, East Sussex, BN8 6LL, England |
| SKIDELSKY, Robert Jacob Alexander, Lord RESIGNED | Director | | 13 Nov 1992 | United Kingdom | April 1939 | Tilton House, Firle, Lewes, East Sussex, BN8 6LL |
| STOCKLEY, David Henry RESIGNED | Director | 27 Apr 2007 | 27 Apr 2012 | United Kingdom | August 1948 | 3 Moorhouse Road, London, W2 5DH |