| Albert Scheuer | Director | 16 Nov 1999 | 28 Oct 2004 | German | 69 years |
| Andreas Martin Peter Kern | Director | 1 Apr 2005 | 1 Feb 2008 | German | 68 years |
| Andreas Martin Peter Kern | Director | 28 May 2008 | 18 Jul 2013 | German | 68 years |
| Anthony Thomas Allan | Director | 1 Nov 2002 | 31 Jan 2006 | British | 71 years |
| Bernd Scheifele | Director | 1 May 2007 | 31 Jan 2020 | German | 68 years |
| Bjorn Sellaeg | Director | 23 May 1991 | 30 Jun 1991 | Norwegian | 93 years |
| Bo Ewart Goran Jacobsson | Director | 23 Jun 1997 | 31 May 2000 | Swedish | 75 years |
| Carsten Matthias Wendt | Director | 1 Dec 2016 | 6 Oct 2021 | German | 50 years |
| Cato Andreas Holmsen | Director | 1 Jan 1993 | 7 Dec 1998 | Norweigian | 86 years |
| Christian Leclercq | Director | 28 May 2008 | 31 Mar 2010 | Belgian | 61 years |
| Colin Leslie Waller | Director | 23 May 1991 | 30 Sept 1995 | British | 89 years |
| Daniel Hugues Gauthier | Director | 28 Oct 2004 | 1 Apr 2005 | Belgian | 69 years |
| Daniel Hugues Gauthier | Director | 30 Jul 2009 | 31 Mar 2016 | Belgian | 69 years |
| Daniel John Cooper | Director | 1 Jan 2016 | 31 Jan 2019 | Australian | 56 years |
| Darren Peter Rix | Director | 1 Mar 2014 | 29 May 2015 | British | 43 years |
| David Jonathan Clarke | Director | 12 Sept 2013 | 1 Dec 2016 | British | 52 years |
| Eirik Steine-eriksen | Director | 2 Sept 1991 | 30 Aug 1996 | Norwegian | 85 years |
| Eirik Steine-eriksen | Director | 20 May 1997 | 15 Nov 1999 | Norwegian | 85 years |
| Gary Nicholas Whitehead | Director | 1 Apr 2010 | 5 Jul 2010 | British | 56 years |
| George Wallace Boyle | Director | 23 May 1991 | 31 Mar 2004 | British | 84 years |
| Gilbert Allan Adam Currie | Secretary | 23 May 1991 | 31 Dec 1993 | British | - |
| Hans Hakan Fernvik | Director | 4 Feb 1998 | 15 Nov 1999 | Swedish | 83 years |
| Hans Hakan Fernvik | Director | 23 May 1991 | 27 Aug 1996 | Swedish | 83 years |
| Henri Thijssen | Director | 28 Oct 2004 | 1 Apr 2005 | Dutch | 67 years |
| Henrik Andenaes | Director | 3 Oct 1997 | 10 Jan 1998 | Norwegian | 76 years |
| Ian Leonard Flavell | Director | 12 Dec 1995 | 13 Jun 2008 | British | 71 years |
| Iona Margaret Mander | Secretary | 1 Jan 1994 | 13 Jun 2008 | British | - |
| James Alexander Claydon | Director | 1 Sept 2012 | 31 Dec 2019 | British | 66 years |
| Johannes Bernardus Jongenotter | Director | 16 Nov 1999 | 28 Oct 2004 | Dutch | 74 years |
| John Godbert | Director | 29 May 2015 | 30 Nov 2020 | British | 64 years |
| Jonathan Dale | Director | 23 May 1991 | 31 Aug 1995 | British | 77 years |
| Jonathan Peter Morrish | Director | 13 Jun 2008 | 1 Sept 2012 | British | 56 years |
| Klaus Alfred Schwind | Director | 1 Apr 2005 | 1 Feb 2008 | German | 65 years |
| Lars Ulf Anders Linderoth | Director | 1 Jul 1991 | 27 Aug 1996 | Swedish | 95 years |
| Lauri Antero Ratia | Director | 20 May 1997 | 1 Jan 1998 | Finnish | 80 years |
| Leslie Victor Hewitt | Director | 23 May 1991 | 31 Dec 1992 | British | 97 years |
| Lorenz Nager | Director | 1 May 2007 | 31 Jan 2020 | German | 66 years |
| Mark Roger Atkinson | Director | 25 Feb 2013 | 28 Feb 2014 | British | 48 years |
| Matthew James Harris | Director | 30 Sept 2010 | 31 Oct 2012 | British | 56 years |
| Michael Anthony Eberlin | Director | 1 Mar 2004 | 13 Jun 2008 | British | 64 years |
| Michael John Lodge | Director | 1 Oct 1992 | 31 Oct 2003 | British | 85 years |
| Patrick Joseph O'shea | Director | 1 Feb 2008 | 31 Dec 2015 | British | 68 years |
| Patrick Stanley Miell | Director | 23 May 1991 | 31 May 1992 | British | 96 years |
| Paul Alfred Rabl | Director | 2 Sept 1991 | 29 Aug 1996 | Norwegion | 80 years |
| Paul Firmin Marie Vanfrachem | Director | 16 Nov 1999 | 30 Jun 2004 | Belgian | 83 years |
| Per Gerhard Jacobsen | Director | 20 May 1997 | 3 Oct 1997 | Norwegian | 75 years |
| Peter Karl Wilhelm Lukas | Director | 3 Jul 2006 | 31 May 2010 | German | 67 years |
| Peter William Weller | Director | 1 Jul 1995 | 1 Feb 1996 | British | 78 years |
| Peter William Weller | Director | 1 Jul 1995 | 28 Feb 2007 | British | 78 years |
| Ralph Dominik Von Achten | Director | 28 May 2008 | 30 Sept 2012 | German | 61 years |
| Ralph Dominik Von Achten | Director | 28 Apr 2016 | 31 Jan 2020 | German | 61 years |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 10 Mar 2016 | British | - |
| Seyda Pirinccioglu | Director | 19 Jul 2010 | 31 Aug 2013 | Turkish | 55 years |
| Steen Thomsen | Director | 1 Apr 1993 | 1 Feb 1996 | Danish | 87 years |
| Sven Ohlsson | Director | 30 Aug 1996 | 20 May 1997 | Swedish | 82 years |
| Sven Ohlsson | Director | 1 Jan 1998 | 21 Dec 1998 | Swedish | 82 years |
| Torgny Bogarde | Director | 30 Aug 1996 | 20 May 1997 | Swedish | 76 years |
| Torsten Christer Axel Hemborg | Director | 30 Aug 1996 | 20 May 1997 | Swedish | 81 years |
| Torsten Christer Axel Hemborg | Director | 1 Jan 1998 | 15 Nov 1999 | Swedish | 81 years |