| Andrew Richard Barlow | Director | 15 May 1997 | 7 May 1998 | British | 85 years |
| Brian Eric Ward | Director | 4 May 1992 | 4 May 1993 | British | 81 years |
| Brian Eric Ward | Director | 4 May 1995 | 31 Mar 2000 | British | 81 years |
| Christophe Andre Bernard Chapron | Director | 19 Feb 2007 | 29 Feb 2016 | French | 62 years |
| Clifford Chance Secretaries Limited | Corporate Nominee Secretary | 4 May 1993 | 19 May 1999 | United Kingdom | - |
| David Anthony Hespe | Director | 19 May 1999 | 1 Sept 2002 | British | 67 years |
| David Courtenay Palmer-jones | Director | 1 Oct 2008 | 1 Jan 2020 | British | 63 years |
| Elizabeth Jayne Clare Cooper | Secretary | 1 Jul 2001 | 31 Jul 2003 | British | - |
| Emmanuel Perol | Director | 4 May 1995 | 14 Apr 1997 | French | 75 years |
| Florent Thierry Antoine Duval | Director | 1 Feb 2016 | 31 Oct 2021 | French | 50 years |
| Gavin Graveson | Director | 19 May 1999 | 1 May 2000 | British | 63 years |
| Ian Anthony Sexton | Director | 2 Mar 2001 | 19 Feb 2007 | British | 70 years |
| Ian Frederick Goodfellow | Director | 19 May 1999 | 31 May 2003 | British | 72 years |
| Jean-claude Lebel | Director | 4 May 1992 | 15 Sept 1999 | French | 88 years |
| Joan Knight | Secretary | 31 Jul 2003 | 6 May 2025 | British | - |
| John Frederick Leaver | Director | 19 May 1999 | 28 Feb 2001 | British | 78 years |
| Marek Robert Gordon | Director | 19 May 1999 | 31 May 2003 | British | 73 years |
| Per-anders Hjort | Director | 31 May 2003 | 1 Oct 2008 | Swedish | 68 years |
| Phillipe Brongniart | Director | 4 May 1992 | 10 Apr 1995 | French | 87 years |
| Pierre Carneau | Director | 15 May 1997 | 19 May 1999 | British | 74 years |
| Robert Anthony Searby | Director | 19 May 1999 | 2 Mar 2001 | British | 70 years |
| Simon John Thorne | Director | 19 May 1999 | 30 Jun 2001 | British | 59 years |
| Simon John Thorne | Secretary | 15 Apr 1998 | 30 Jun 2001 | British | - |