| Anthony Carmel Lowrie | Director | 2 Apr 1992 | 16 Apr 1992 | British | 83 years |
| Anthony Nicholas Whitney | Director | 16 Nov 1992 | 21 Dec 1995 | British | 75 years |
| Arie Christian Tupker | Director | 31 May 1992 | 1 Oct 2001 | Canadian | 81 years |
| Carl-diedric Hugo Gustaf Hamilton | Director | 29 Jul 1996 | 14 Sept 1998 | Swedish | 77 years |
| Claudio Corradini | Director | 14 Dec 2006 | 8 Mar 2007 | Italian | 57 years |
| David John Gregory | Director | 12 Jun 2006 | 31 Dec 2006 | British | 70 years |
| David Joseph Plucinsky | Director | 2 Apr 1992 | 31 May 1992 | American | 76 years |
| David Joseph Plucinsky | Director | 2 Apr 1993 | 10 Mar 1994 | American | 76 years |
| Frederick William Hulton | Director | 2 Apr 1992 | 31 May 1992 | British | 87 years |
| Jenny Stevinson | Secretary | 1 Jun 1992 | 21 Mar 2002 | British | - |
| Joannes Jacobus Andre Marie Stuyt | Director | 31 May 1992 | 27 Aug 1996 | British | 76 years |
| John Richard Mclean Weguelin | Director | 27 Apr 1992 | 31 May 1992 | British | 75 years |
| Katherine Liza Antoinetta Fernandes | Secretary | 11 Jan 1993 | 31 Aug 2014 | British | - |
| Keith Anthony Bullen | Director | 1 Mar 2001 | 13 Jun 2006 | British | 72 years |
| Michael Cole | Director | 3 Dec 2018 | 26 Apr 2019 | British | 51 years |
| Nicholas William Ayrton Bannister | Director | 10 Mar 1994 | 31 Oct 2001 | British | 66 years |
| Nigel Gerald Hugh-smith | Director | 8 Jul 1994 | 12 Jun 2000 | British | 72 years |
| Nigel Gordon Mills | Director | 8 Jul 1994 | 25 Oct 1995 | British | 70 years |
| Oliver Charles Davidson | Director | 1 Mar 2007 | 15 Oct 2008 | British | 54 years |
| Peter Richard Meinertzhagen | Director | 2 Apr 1992 | 31 May 1992 | British | 79 years |
| Peter Richard Meinertzhagen | Director | 2 Apr 1993 | 2 Apr 2004 | British | 79 years |
| Peter Stuart Voss | Director | 2 Apr 1992 | 31 May 1992 | Us Citizen | 79 years |
| Rbs Secretarial Services Limited | Corporate Secretary | 31 Aug 2014 | 3 Dec 2018 | United Kingdom | - |
| Richard John Lawrence | Director | 15 Oct 2008 | 3 Dec 2018 | British | 53 years |
| Robert Andrew Horrocks | Director | 30 Jan 2015 | 9 Jan 2019 | British | 49 years |
| Rudolf Gusbert Carel Van Den Brink | Director | 13 Aug 1992 | 27 Aug 1996 | Dutch | 77 years |
| Sean Christopher Nigel Baguley | Director | 8 Jul 1994 | 10 May 1995 | British | 78 years |
| Simon John Clegg | Director | 8 Jul 1994 | 31 Dec 1996 | British | 68 years |
| Simon John Mould | Director | 1 Mar 2007 | 30 Jan 2015 | British | 65 years |
| Thomas Henry Simmons | Director | 2 Apr 1992 | 27 Apr 1992 | Usa | 74 years |
| Timothy Geary Edward Kilpatrick | Director | 2 Apr 1992 | 16 Apr 1992 | British | 80 years |
| Wilco Gustaaf Jiskoot | Director | 2 Apr 1993 | 28 Oct 1999 | Dutch | 75 years |