| Andrew David Jackson | Director | 28 May 1991 | 31 Jul 2003 | British | 78 years |
| Aneta Maria Polk | Secretary | 18 Mar 2009 | 1 Feb 2013 | Polish | - |
| Benoit Laurent Pierre Durteste | Director | 21 May 2012 | 19 May 2023 | French | 58 years |
| Christophe Armel Jean Paul Evain | Director | 22 Feb 2012 | 25 Jul 2017 | French | 64 years |
| Clare Reilly | Secretary | 16 Jan 2007 | 18 Mar 2009 | British | - |
| Francois De Mitry | Director | 1 Apr 2009 | 31 Jul 2011 | French | 60 years |
| James Richard Blake Odgers | Director | 28 May 1991 | 1 Jul 1996 | British | 72 years |
| James Richard Blake Odgers | Secretary | 28 May 1991 | 9 Jul 1996 | British | - |
| Jean Loup Brousse De Gersigny | Director | 28 May 1991 | 31 Jan 2004 | Mauritian | 72 years |
| John Edward Curtis | Secretary | 1 Jul 1996 | 15 Jan 2007 | British | - |
| Paul James Piper | Director | 31 Jan 2004 | 31 Mar 2009 | British | 69 years |
| Philip Henry Keller | Director | 22 Feb 2012 | 25 Jul 2019 | British | 61 years |
| Thomas Hugh Bartlam | Director | 28 May 1991 | 30 Apr 2005 | British | 79 years |
| Thomas Roger Attwood | Director | 1 Jul 1996 | 31 Mar 2012 | British | 74 years |
| Vijay Vithal Bharadia | Director | 17 Jul 2019 | 20 Jul 2023 | British | 59 years |