| Alan Leslie Reed | Director | 11 Jan 1999 | 31 Jan 2000 | British | 85 years |
| Bruno De Reneville | Director | 31 Oct 2000 | 23 Jul 2007 | French | 70 years |
| Charles Joseph Mccole | Director | 3 Nov 1995 | 31 Oct 2000 | British | 74 years |
| David Stuart Ford | Director | 11 Jan 1999 | 31 Oct 2000 | British | 73 years |
| Denis Robin | Director | 4 May 1999 | 31 Oct 2000 | French | 70 years |
| Edward James Morrow | Director | 25 Mar 2015 | 4 Jul 2016 | British | 56 years |
| John Rankine Wares | Director | 14 Dec 1995 | 31 Aug 1996 | British | 78 years |
| Laurent Paul Joseph Arnaudo | Director | 4 Jul 2016 | 1 Nov 2019 | French | 59 years |
| Lindsay Gordon Tocher | Director | 25 Feb 2011 | 4 Jul 2016 | British | 68 years |
| Lindsay Gordon Tocher | Director | 18 Apr 2000 | 29 Aug 2003 | British | 68 years |
| Mary Caroline Black | Director | 27 Nov 1996 | 11 Jan 1999 | British | 71 years |
| Nanne Willem Cornelis Wams | Director | 23 Jul 2007 | 23 Oct 2009 | Dutch | 68 years |
| Neil Daniel Murray | Director | 4 Jul 2016 | 31 Aug 2016 | Irish | 51 years |
| Nicolas Albert Japy | Director | 29 Aug 2003 | 4 Jul 2016 | French | 70 years |
| Noel Arthur Mead | Secretary | 3 Nov 1995 | 18 Apr 2000 | British | - |
| Raeburn Christie Clark & Wallace | Corporate Secretary | 18 Apr 2000 | 31 Jul 2019 | United Kingdom | - |
| Rebecca Sian Herbert Jones | Director | 4 May 1999 | 18 Feb 2011 | British | 66 years |
| Sean Michael Haley | Director | 1 Sept 2016 | 31 Dec 2024 | British | 56 years |
| Stephane Luc Marie Roger | Director | 4 Dec 2009 | 25 Mar 2015 | French | 56 years |