| MACLEAN, Victoria Ann ACTIVE | Secretary | 25 Feb 2014 | | | | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT |
| MOUSSA, Malgorzata Elzbieta ACTIVE | Director | 16 Dec 2022 | | England | September 1974 | Hareness Road, Altens, Aberdeen, Scotland, AB12 3LE |
| BAKEWELL, Robert Canvin RESIGNED | Secretary | 26 Feb 1999 | 16 Mar 2001 | | | 2 The Fields, Berrisford Road, Market Drayton, Salop, TF9 1JH |
| BENN, David RESIGNED | Secretary | 01 May 2009 | 25 Feb 2014 | | | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| BIRNIE, James Mitchell RESIGNED | Secretary | 16 Jan 1992 | 01 Jan 1995 | | | 97 Strathern Road, Broughty Ferry, Dundee, Angus, DD5 1JT |
| GORDON, Angus Burness RESIGNED | Secretary | | 16 Jan 1992 | | | 29 Mericmuir Place, Dundee, Angus, DD3 9AH |
| HEMMINGS, William Edward RESIGNED | Secretary | 24 May 1994 | 01 Apr 1995 | | | Woodside Old Coppice, Lyth Hill, Shrewsbury, Shropshire, SY3 0BP |
| LANCASTER, Jeremy Graham RESIGNED | Secretary | 01 Apr 1995 | 26 Feb 1999 | | | 2, Woodside, Saint Peters Court, Norbury, Stafford, Staffordshire, ST20 0PQ |
| NORTHWOOD, Paul David RESIGNED | Secretary | 17 Mar 2001 | 30 Apr 2009 | | | 8 Ashdale Park, Yarnfield, Stone, Staffordshire, ST15 0SZ |
| BIRNIE, James Mitchell RESIGNED | Director | | 30 Mar 1992 | | January 1949 | 97 Strathern Road, Broughty Ferry, Dundee, Angus, DD5 1JT |
| CHRISTIE, Ian RESIGNED | Director | 29 Mar 1995 | 31 Jan 1997 | | January 1937 | 9 Wardie Road, Edinburgh, Midlothian, EH5 3QE |
| CHRISTIE, Ian RESIGNED | Director | | 29 Mar 1994 | | January 1937 | 9 Wardie Road, Edinburgh, Midlothian, EH5 3QE |
| DREWERY, Eric RESIGNED | Director | 20 Jan 1992 | 30 Sep 2002 | | June 1939 | 33 Cresta House, 133 Finchley Road, London, NW3 6HT |
| ERIKSSON, Andrew John, Dr RESIGNED | Director | 14 Jun 1996 | 01 Jul 2001 | | April 1946 | Baldeggstrase 13, Baden, 5400, Switzerland |
| FUNNELL, Ian Grant RESIGNED | Director | 31 Mar 2015 | 02 Dec 2019 | United Kingdom | January 1957 | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| GARDNER, Stephen John RESIGNED | Director | 24 Jun 1996 | 31 Aug 1999 | England | June 1959 | 24 Windrush Avenue, Brickhill, Bedford, Bedfordshire, MK41 7BS |
| GREGORY, Trevor John RESIGNED | Director | 01 Jun 1998 | 31 Dec 2016 | England | June 1956 | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| GUEST, Peter David RESIGNED | Director | | 30 Mar 1992 | | October 1939 | Berkeley, Saint Ninians Road Alyth, Blairgowrie, Perthshire, PH11 8AP |
| HAKANSSON, Kurt Ake RESIGNED | Director | 24 May 1994 | 01 Jun 2001 | Switzerland | October 1950 | Rainstrasse 405, 8706 Feldmeilen, Switzerland |
| HILL, Robert Owen RESIGNED | Director | | 30 Mar 1992 | | August 1948 | 39 Cornmoor Road, Whickham, Newcastle Upon Tyne, NE16 4PU |
| HUGHES, David John RESIGNED | Director | 02 Dec 2019 | 16 Dec 2022 | England | December 1966 | 3100, Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, England |
| HUGHES, David Alun RESIGNED | Director | 31 Aug 1999 | 05 Jan 2001 | United Kingdom | November 1961 | Celandine House Hipplecote, Martley, Worcester, Worcestershire, WR6 6PW |
| JENSEN, Peer Hakon RESIGNED | Director | 20 Jan 1992 | 03 May 1996 | | September 1943 | 3 Grange Park Place, Thurston Road Wimbledon, London, SW20 0EE |
| KARLSSON, Sune Roland Ingemar RESIGNED | Director | 23 Jan 1992 | 23 Dec 1992 | | April 1946 | Rebenweg 42, 6945 Hirschberg, Germany |
| KETTLEWELL, Robert Fallowfield RESIGNED | Director | 01 Aug 2001 | 25 Apr 2006 | | April 1941 | 23 Springwood Drive, Stone, Staffordshire, ST15 8TU |
| LUND, Oeivind RESIGNED | Director | 15 Feb 1990 | 21 Nov 1994 | | April 1945 | 38 Hannestadfjellet, N-1714, Yven, Norway, FOREIGN |
| MCLAUGHLIN, William RESIGNED | Director | 01 May 2009 | 01 Apr 2014 | United Kingdom | September 1950 | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| MEHUS, Olaf Harald RESIGNED | Director | | 25 May 1993 | | June 1940 | 30 Bolstadhagen, 3000 Drammen, FOREIGN, Norway |
| MUNCH, Oskar Andreas RESIGNED | Director | | 31 Jul 1993 | | July 1928 | Hoffsjef 48 Lovenskioldsvei, Oslo 3, 0382, Norway |
| NIINIVAARA, Mikko Aarne RESIGNED | Director | 14 Jun 1996 | 30 Apr 1999 | | June 1950 | 1m Park 8, Thalwil, 8800, Switzerland |
| NIINIVAARA, Mikko Aarne RESIGNED | Director | 01 Aug 1993 | 10 Apr 1995 | | June 1950 | Puukiipijantie 10, Vaasa, Finland, FOREIGN, Finland |
| NILSSON, Lars Otto Fritz, President RESIGNED | Director | 21 Nov 1994 | 14 Aug 1996 | | March 1951 | Statorvagen 1y, 77142 Ludvika, Sweden, 77142 |
| NORTHWOOD, Paul David RESIGNED | Director | 01 Aug 2001 | 30 Apr 2009 | England | May 1957 | 8 Ashdale Park, Yarnfield, Stone, Staffordshire, ST15 0SZ |
| OWENS, David William RESIGNED | Director | 24 May 1994 | 01 Jun 1998 | | April 1952 | 17 Baswich Lane, Stafford, Staffordshire, ST17 0BH |
| PENNINGTON, Christopher John RESIGNED | Director | 24 Feb 1992 | 01 Jan 1995 | | December 1933 | 13 Saint Johns Hill, Shrewsbury, Shropshire, SY1 1JJ |
| TORGERSEN, Einar RESIGNED | Director | | 24 Jan 1992 | | March 1929 | 89 Underlia, 3000 Drammen, FOREIGN, Norway |
| TROTTER, Stephen Dennis RESIGNED | Director | 01 Aug 2001 | 08 Feb 2016 | United Kingdom | September 1967 | Daresbury Park, Daresbury, Warrington, Cheshire, WA4 4BT, United Kingdom |
| WINBERG, Kjell Bjarne RESIGNED | Director | | 28 Feb 1991 | | | 12a Henrik Ibsensgt, N-3000 Drammen, FOREIGN, Norway |