| DAVIES, Charlotte Ellen ACTIVE | Director | 19 Jun 2014 | | England | September 1977 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| LAVERY, Joseph ACTIVE | Director | 31 Jan 2022 | | United Kingdom | January 1991 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| LEWINS, Ken ACTIVE | Director | 16 May 2013 | | England | August 1978 | National Marine Aquarium, Rope Walk, Plymouth, PL4 0LF, England |
| FRY, John Carmichael RESIGNED | Secretary | 17 May 1995 | 23 Nov 2007 | | | Meadow Cottage, Clearbrook, Yelverton, Devon, PL20 6JD |
| POTTS, Geoffrey William RESIGNED | Secretary | 29 Sep 1994 | 17 May 1995 | | | Higher Brooklands, Harrowbarrow, Callington, Cornwall, PL17 8JN |
| WATERLOW SECRETARIES LIMITED RESIGNED | Nominee Secretary | 29 Sep 1994 | 29 Sep 1994 | | | 6-8 Underwood Street, London, N1 7JQ |
| ARSCOTT, Christopher Robin RESIGNED | Director | 01 Jun 2012 | 14 Sep 2015 | England | December 1951 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| ASHWORTH, Henry William Howell RESIGNED | Director | 01 Jul 2005 | 17 Jul 2007 | England | July 1969 | 1 Tolcarne Villas, Higher Tolcarne, St Mawgan, TR9 6DD |
| BOOT, Kelvin John RESIGNED | Director | 12 Dec 2003 | 31 Mar 2008 | England | February 1952 | Spencers Cottage Pye Corner, Kennford, Exeter, EX6 7TD |
| BOSTON, James Cairns RESIGNED | Director | 17 May 1995 | 05 Feb 2003 | | May 1935 | Flat 3b Glen Isla, Doura Road, Cheltenham, Gloucestershire, GL50 2PD |
| BRADFORD, David Charles RESIGNED | Director | 01 Feb 2017 | 23 Mar 2023 | England | December 1954 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| CALLEN, Andrew James RESIGNED | Director | 01 Jun 2012 | 30 Jan 2014 | United Kingdom | January 1973 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| FRY, John Carmichael RESIGNED | Director | 09 Mar 2001 | 23 Nov 2007 | United Kingdom | March 1943 | Meadow Cottage, Clearbrook, Yelverton, Devon, PL20 6JD |
| FRY, John Carmichael RESIGNED | Director | 17 May 1995 | 25 Jun 1998 | United Kingdom | March 1943 | Meadow Cottage, Clearbrook, Yelverton, Devon, PL20 6JD |
| FURNISS, Roger RESIGNED | Director | 01 Nov 2001 | 31 Dec 2006 | England | April 1946 | Springfield, Huxham, Exeter, Devon, EX5 4EW |
| GIBSON, David Robert, Dr RESIGNED | Director | 01 Jan 2010 | 31 Aug 2015 | England | September 1969 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| HOWELS, Marlene Vanna RESIGNED | Director | 01 Jun 2012 | 18 Apr 2013 | United Kingdom | September 1971 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| LACEY, Bronwen Lynne RESIGNED | Director | 17 Jul 2007 | 29 Mar 2012 | United Kingdom | September 1955 | Bayfield Cottage, Earls Drive, Penlee, Torpoint, Cornwall, PL10 1LN |
| LACEY, Bronwen Lynne RESIGNED | Director | 01 Sep 2005 | 01 Sep 2005 | United Kingdom | September 1955 | Bayfield Cottage, Earls Drive, Penlee, Torpoint, Cornwall, PL10 1LN |
| LAWRENCE, Greg RESIGNED | Director | 21 Mar 2019 | 31 Mar 2025 | England | March 1971 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| LEECE, Michael Jeffrey RESIGNED | Director | 02 Dec 1997 | 31 Mar 2007 | United Kingdom | August 1945 | Southwood, Crapstone, Yelverton, Devon, PL20 7PW |
| LEGOOD, Timothy James RESIGNED | Director | 29 Sep 1994 | 30 Sep 1998 | Great Britain | March 1941 | Quarrylands Little Johns Cross Hill, Exeter, Devon, EX2 9PJ |
| MASLIN, Roger Michael Eckersley RESIGNED | Director | 01 Nov 2016 | 31 Jan 2022 | Wales | August 1961 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| MCLAUGHLIN, Olivia Anne RESIGNED | Director | 31 Jan 2022 | 31 Mar 2025 | England | February 1980 | 11, Greenwood Close, Sonning Common, Reading, Oxfordshire, RG4 9DU, England |
| ORCHARD, Mervyn John RESIGNED | Director | 01 Jun 2014 | 27 Sep 2024 | England | May 1954 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| PEARSON, Michael Kenneth RESIGNED | Director | 25 Jun 1998 | 22 Sep 2006 | England | January 1945 | Langston, Kingston, Kingsbridge, Devon, TQ7 4HB |
| POTTS, Geoffrey William RESIGNED | Director | 29 Sep 1994 | 02 Dec 1997 | | February 1941 | Higher Brooklands, Harrowbarrow, Callington, Cornwall, PL17 8JN |
| PRIDDEN, David Lawrence RESIGNED | Director | 22 Sep 2006 | 11 Apr 2014 | England | August 1951 | Greystones, Kent Hatch Road, Crockham Hill, Edenbridge, Kent, TN8 6SZ |
| ROBERTSON, Andrew RESIGNED | Director | 16 Apr 2007 | 31 Jul 2009 | | July 1960 | The Queens Arms, 55 Southside Street, Barbican, Plymouth, Devon, PL1 2LA |
| ROUSELL, Stephen Patrick RESIGNED | Director | 16 Oct 2014 | 21 Sep 2017 | England | March 1965 | Rope Walk, Coxside, Plymouth, Devon, PL4 0LF |
| STEVENS, Peter Michael Collinson RESIGNED | Director | 17 May 1995 | 31 Jul 2002 | England | September 1936 | Old Wottons, Broadhempston, Totnes, Devon, TQ9 6BB |
| BRONWEN LYNNE LACEY RESIGNED | Director | 01 Sep 2005 | 01 Sep 2005 | | | National Marine Aquarium, Rope Walk, Coxside, Plymouth, Devon, PL4 0LF, United Kingdom |
| WATERLOW NOMINEES LIMITED RESIGNED | Nominee Director | 29 Sep 1994 | 29 Sep 1994 | | | 6-8 Underwood Street, London, N1 7JQ |