| Antonio Jorge Ferreira Filipe | Director | 9 Jun 1992 | 9 Jun 1996 | Portuguese | 92 years |
| Antonio Manuel De Macedo E Pinto Vasconcelos | Director | 9 Jun 1992 | 31 Jan 1996 | Portuguese | 81 years |
| Charles Bennett Brown | Secretary | 28 Aug 2001 | 26 Jul 2005 | British | - |
| David Alexander Orr | Director | 9 Jun 1992 | 9 Mar 2001 | Irish | 78 years |
| Herve Denis Michel Fetter | Director | 1 Oct 2008 | 31 Aug 2017 | French | 63 years |
| Hilary Philip Reader | Director | 9 Jun 1992 | 19 Jul 2006 | British | 75 years |
| Iain Norris James Artis | Director | 8 Jan 1996 | 31 Dec 1997 | British | 71 years |
| Ian Terence Fitzsimons | Director | 19 Jul 2006 | 16 Nov 2010 | British | 62 years |
| Jane Egan | Secretary | 1 Sept 2006 | 14 Feb 2011 | British | - |
| John Gordon Guimaraens | Director | 9 Jun 1992 | 28 Aug 2001 | British | 92 years |
| John Michael Tomlinson | Secretary | 9 Jun 1992 | 31 Aug 1994 | British | - |
| Joseph Michael Wooters | Secretary | 31 Aug 1994 | 1 Jul 1996 | American | - |
| Luis Bernardo De Vessadas De Noronha E Tavora | Director | 9 Jun 1992 | 30 Sept 1996 | Portuguese | 85 years |
| Luis Manuel De Moura Rodrigues Martins | Director | 28 Aug 2001 | 19 Jul 2006 | Portugal | 70 years |
| Maria Alexandra De Moura Rodrigues Martins | Director | 9 Mar 2001 | 19 Jul 2006 | Portugal | 68 years |
| Miguel Corte-real | Director | 28 Aug 2001 | 19 Jul 2006 | Portugal | 73 years |
| Peter Michael Cobb | Director | 9 Jun 1992 | 28 Aug 2001 | British | 87 years |
| Philippa Armstrong | Secretary | 23 Sept 2005 | 19 Jun 2006 | British | - |
| Philippe Maurice Robert Comil Treutenaere | Director | 28 Aug 2001 | 4 Apr 2005 | French | 84 years |
| Stuart Macnab | Director | 19 Jul 2006 | 31 Mar 2022 | British | 62 years |
| Stuart Macnab | Secretary | 29 Feb 2008 | 14 Feb 2011 | British | - |
| Thomas Gordon Mains | Director | 8 Jan 1996 | 1 Sept 2006 | British | 75 years |
| Thomas Gordon Mains | Secretary | 8 Jan 1996 | 28 Aug 2001 | British | - |
| Thomas Gordon Mains | Secretary | 19 Jun 2006 | 1 Sept 2006 | British | - |
| Vincent Turpin | Director | 1 Sept 2017 | 30 Sept 2020 | French | 48 years |