| Allan Hugh Tait | Director | 8 Jun 1991 | 30 Apr 2005 | British | 73 years |
| Barbara Plucnar Jensen | Director | 3 Oct 2016 | 28 Feb 2019 | Danish | 55 years |
| Benjamin Bateson Jubb | Secretary | 8 Jun 1991 | 1 Dec 1996 | British | - |
| Bruce Andrew Van Der Waag | Director | 13 May 2019 | 22 Oct 2021 | Dutch | 60 years |
| Corinne Gethin | Director | 1 Jun 2005 | 27 Oct 2010 | British | 64 years |
| Henrik Andersen | Director | 1 Oct 2005 | 30 Nov 2011 | Danish | 59 years |
| Henrik Andersen | Secretary | 1 Oct 2005 | 19 May 2009 | Danish | - |
| Jacqueline Erica Valentine | Director | 19 Jan 1999 | 22 Dec 2000 | British | 60 years |
| Jeff Olsen Gravenhorst | Director | 30 Apr 2005 | 30 Sept 2005 | Danish | 64 years |
| Jeff Olsen Gravenhorst | Secretary | 30 Apr 2005 | 30 Sept 2005 | Danish | - |
| Jonathan David Myers | Director | 23 Apr 1999 | 24 Oct 2002 | British | 64 years |
| Jorn Vestergaard | Director | 1 Jun 2015 | 3 Oct 2016 | Danish | 58 years |
| Lyndsey Patricia Pollard | Secretary | 1 Dec 1996 | 30 Apr 2005 | British | - |
| Malcolm John Vorley | Director | 8 Jun 1991 | 1 Dec 1996 | British | 70 years |
| Matthew Edward Stanley Brabin | Director | 16 Mar 2009 | 13 Nov 2015 | British | 61 years |
| Matthew Edward Stanley Brabin | Director | 1 Aug 2016 | 16 Jun 2020 | British | 61 years |
| Philip John Leigh | Director | 28 Feb 2019 | 28 Feb 2021 | British | 59 years |
| Purvin Kumar Madhusudan Patel | Director | 16 Jun 2020 | 23 Dec 2020 | British | 53 years |
| Richard Ian Sykes | Director | 12 Mar 2012 | 1 Aug 2016 | British | 56 years |
| Russell William Lincoln Bassett | Director | 8 Jun 1991 | 9 Jun 2006 | British | 71 years |
| Stephanie Louise Hamilton | Director | 22 Feb 2021 | 31 Jul 2021 | British | 55 years |
| William David Lloyd | Director | 15 Mar 1999 | 8 Jun 2001 | British | 71 years |