| HARGREAVES-HEAP, Christopher Mark ACTIVE | Secretary | 01 Oct 2020 | | | | 14 Warren Yard, Warren Farm, Office Village, Milton Keynes, Buckinghamshire, MK12 5NW, United Kingdom |
| HAMERS, Xaverius Joseph Hubertus Marie ACTIVE | Director | 10 Mar 2025 | | Germany | July 1978 | 14 Warren Yard, Wolverton Mill, Milton Keynes, Buckinghamshire, MK12 5NW, England |
| KAHRE, Tanja Maria ACTIVE | Director | 18 May 2022 | | Switzerland | April 1977 | Lista Ag, Fabrikstrasse 1, Ch-8586 Erlen, Switzerland |
| KENDALL, Barbara Ann RESIGNED | Secretary | | 29 Oct 1997 | | | 7 Bowling Green Road, Cranfield, Bedford, Bedfordshire, MK43 0ET |
| KENDALL, David Graham RESIGNED | Secretary | 03 Sep 2001 | 30 Jun 2004 | | | 7 Bowling Green Road, Cranfield, Bedfordshire, MK43 0ET |
| KENNEDY, Ginette Alexandra RESIGNED | Secretary | 30 Jun 2004 | 26 Jul 2007 | | | 29 Seymour Road, St. Albans, Hertfordshire, AL3 5HN |
| LANKER, Hansruedi RESIGNED | Secretary | 27 Jul 2007 | 03 Feb 2010 | | | 18 Rueschen, Speicher, Appenzell, 9042, Switzerland |
| O'CONNELL, Dean Antony RESIGNED | Secretary | 30 Oct 1997 | 01 Aug 2001 | | | 92 Bedford Road, Wootton, Bedford, Bedfordshire, MK43 9JB |
| ADAM, Jurgen Hermann Albert, Dr RESIGNED | Director | 06 Jan 1997 | 31 Aug 2004 | | January 1953 | Auwiesen 2, Ch 8586 Erlen, Switzerland |
| BERNHARDSGRUTTER, Bruno Walter RESIGNED | Director | 06 Jan 1997 | 30 Jun 1999 | | May 1960 | Grosswies 692, Muolen, 9313, Switzerland |
| BROCHER, Rainer RESIGNED | Director | 16 Jun 2011 | 30 Sep 2012 | Switzerland | January 1966 | 14, Warren Yard, Wolverton Mill, Milton Keynes, Buckinghamshire, MK12 5NW, England |
| CORNACCHIA, Franco RESIGNED | Director | 01 Oct 2012 | 18 May 2022 | Switzerland | March 1968 | Lista Ag, Fabrikstrasse 1, Ch-8586 Erlen, Switzerland |
| DAHLER, Urs RESIGNED | Director | 24 Mar 2004 | 01 Oct 2005 | | June 1976 | Gontenstrasse 8, Appenzell, Ch-9050, Switzerland |
| EMOEDI, Andreas Alexander RESIGNED | Director | 01 Mar 2007 | 03 Feb 2010 | | March 1968 | 18 Hoehenweg, Wohlen, Aargau, 5610, Switzerland |
| FORSTER, Eckhard RESIGNED | Director | 31 Aug 2004 | 21 Feb 2005 | | July 1956 | 37 Muller - Friedberg - Str, St Gallen, Sg-9000, Switzerland |
| HENZ, Jurg Martin RESIGNED | Director | 01 Oct 2012 | 01 Oct 2020 | Switzerland | September 1962 | Lista Ag, Fabrikstrasse 1, Ch-8586 Erlen, Switzerland |
| KENDALL, Barbara Ann RESIGNED | Director | | 01 Oct 1994 | | March 1940 | 7 Bowling Green Road, Cranfield, Bedford, Bedfordshire, MK43 0ET |
| KENDALL, Graham George RESIGNED | Director | | 29 Oct 1997 | | October 1937 | 7 Bowling Green Road, Cranfield, Bedford, Bedfordshire, MK43 0ET |
| LANKER, Hansruedi RESIGNED | Director | 01 Mar 2007 | 03 Feb 2010 | | February 1971 | 18 Rueschen, Speicher, Appenzell, 9042, Switzerland |
| LEHNER, Urs Anton RESIGNED | Director | 01 Oct 2020 | 17 Oct 2024 | Austria | March 1969 | Lista Ag, Fabrikstrasse 1, Ch-8586 Erlen, Switzerland |
| NASH, Tim Gerard RESIGNED | Director | 05 Mar 2010 | 06 May 2010 | Switzerland | November 1955 | Lista Ag, Fabrikstrasse 1, Erlen, Thurgau, CH-8586, Switzerland |
| NUEESCH, Thomas RESIGNED | Director | 05 Mar 2010 | 01 Jun 2011 | Switzerland | February 1969 | Lista Ag, Fabrikstrasse 1, Erlen, Switzerland, CH-8586, Switzerland |
| RUEESCH, Roger RESIGNED | Director | 07 May 2010 | 30 Sep 2012 | Switzerland | June 1971 | Lista Ag, Fabrikstrasse 1, Erlen, Thurgau, CH-8586, Switzerland |
| SCHONENBERGER, Ronald RESIGNED | Director | 04 May 1999 | 24 Mar 2004 | | October 1965 | Aldenblickstr 5, Ch 9320 Arbon, Switzerland |
| SCHWEND, Jochen RESIGNED | Director | 01 Oct 2005 | 01 Oct 2007 | | June 1961 | 69 Kirchbodenstrasse, Thalwil, Ch-8800, Switzerland |
| STATUNATO, Francesco RESIGNED | Director | 21 Feb 2005 | 14 Nov 2006 | | June 1956 | Hochstrasse 28, Zurich, 8044, FOREIGN, Switzerland |
| ZUBLIN, Ernst RESIGNED | Director | 01 Sep 1994 | 06 Jan 1997 | | July 1954 | Rosenbergstrasse 5, Riedt, Ch8586 Switzerland |