| Andrew Martin Pollins | Director | 1 Apr 2020 | 31 Jan 2023 | British | 59 years |
| Bernard Claes | Director | 1 Aug 2001 | 30 Jun 2004 | Belgian | 78 years |
| Bernard Grutering | Director | 1 Aug 2001 | 30 Jun 2004 | Belgian | 72 years |
| Colin Stephen Hale | Director | 22 Aug 2012 | 9 Dec 2013 | British | 70 years |
| David Eugene Murray | Director | 27 Jun 2001 | 1 Aug 2001 | British | 65 years |
| Etienne Emile Madeleine Ghislain Oleffe | Director | 21 Nov 2003 | 8 Jul 2008 | Belgian | 81 years |
| Etienne Jacolin | Director | 3 Oct 2006 | 1 Apr 2016 | French | 65 years |
| Frederic De Schrevel | Director | 1 Aug 2001 | 30 Apr 2005 | Belgian | 70 years |
| Frederick James Bryan | Director | 27 Jun 2001 | 1 Aug 2001 | British | 75 years |
| Georges Claude Mathonet | Director | 14 Mar 1996 | 27 Jun 2001 | Belgian | 86 years |
| Graham Becket Jones | Director | 27 Jun 2001 | 1 Aug 2001 | British | 83 years |
| Jacques Andre Reymann | Director | 27 Jun 2001 | 30 Jun 2003 | Belgian | 89 years |
| James Mclaughlan | Director | 21 Nov 2003 | 22 Jun 2006 | British | 76 years |
| Jl Nominees One Limited | Corporate Nominee Director | 29 Jan 1996 | 14 Mar 1996 | United Kingdom | - |
| Jl Nominees Two Limited | Corporate Nominee Secretary | 29 Jan 1996 | 14 Mar 1996 | United Kingdom | - |
| Michael Andrew Booth | Director | 22 Jun 2006 | 31 Mar 2014 | British | 52 years |
| Michael Andrew Booth | Secretary | 31 May 2006 | 9 Dec 2013 | British | - |
| Nicola Elizabeth Anne Lovett | Director | 1 May 2019 | 30 Sept 2021 | British | 57 years |
| Paul Andre De Croes | Director | 7 May 1996 | 27 Jun 2001 | Belgian | 89 years |
| Peter John Campbell Talbot | Director | 8 Jul 2008 | 12 Feb 2010 | British | 73 years |
| Philippe Casier | Director | 27 Jun 2001 | 3 Oct 2006 | Belgian | 82 years |
| Richard John Blumberger | Director | 15 Dec 2014 | 31 Jan 2016 | British | 51 years |
| Richard Mark Webster | Director | 1 Aug 2001 | 31 May 2006 | British | 60 years |
| Richard Mark Webster | Secretary | 14 Mar 1996 | 31 May 2006 | British | - |
| Robert James Wheatley | Director | 27 Jun 2001 | 1 Aug 2001 | British | 83 years |
| Ronald Ernest Garrod | Director | 1 Aug 2001 | 24 Nov 2003 | British | 83 years |
| Sarah Gregory | Secretary | 1 May 2015 | 15 Jul 2022 | - | - |
| Sarah Jane Gregory | Director | 31 Jan 2022 | 4 Feb 2022 | British | 61 years |
| Simon David Pinnell | Director | 1 Jan 2016 | 31 Mar 2020 | British | 62 years |
| Simone Tudor | Secretary | 9 Dec 2013 | 5 Jan 2015 | - | - |
| Stephane Stoll | Director | 1 Feb 2024 | 29 Sept 2025 | French | 56 years |
| Wilfrid John Petrie | Director | 8 Jul 2008 | 1 May 2019 | French | 61 years |