| Alan Douglas Horden | Director | 9 Aug 1996 | 16 Sept 2002 | British | 74 years |
| Andrew Charles Webster | Director | 30 Apr 2013 | 28 May 2017 | British | 45 years |
| Andrew Charles Webster | Director | 5 Nov 2020 | 23 Apr 2025 | British | 45 years |
| Andrew Daniel Farley | Secretary | 30 Sept 1999 | 6 May 2000 | British | - |
| Ashok Kumar Bakshi | Director | 1 May 1996 | 15 Mar 1999 | British | 84 years |
| Claire Birnie | Secretary | 29 May 1991 | 31 May 1996 | British | - |
| Daniel Frederick Stover | Director | 9 Feb 1998 | 28 Feb 2000 | American | 71 years |
| David Miller Kemp | Director | 19 Apr 2013 | 1 Feb 2015 | British | 56 years |
| Douglas George Lawrie | Director | 26 Mar 1996 | 9 Aug 1996 | British | 68 years |
| Duncan Francis Christie | Director | 2 Dec 2002 | 30 Nov 2004 | British | 55 years |
| Duncan Ross Skinner | Director | 30 Nov 2004 | 19 Apr 2013 | British | 69 years |
| Graham Christopher Brown | Secretary | 26 May 2000 | 17 Aug 2000 | British | - |
| Harold Derek Flinders | Secretary | 17 Aug 2000 | 30 Nov 2004 | British | - |
| Howard Ronald Jones | Director | 29 May 1991 | 26 Mar 1996 | British | 77 years |
| Iain Angus Jones | Secretary | 18 Dec 2015 | 12 Jun 2024 | - | - |
| Ian Maurice Henniker Smith | Secretary | 8 Jan 1998 | 30 Sept 1999 | British | - |
| Jan Veldwijk | Director | 29 May 1991 | 23 Sept 1994 | Dutch | 77 years |
| Jerome Paul Lynch | Director | 1 Jan 2006 | 30 Apr 2013 | Irish | 63 years |
| Larry Farmer | Director | 9 Aug 1996 | 31 Dec 2001 | British | 87 years |
| Malcolm George Dorricott | Director | 23 Sept 1994 | 26 Mar 1996 | British | 88 years |
| Md Secretaries Limited | Corporate Nominee Secretary | 1 May 2006 | 20 Apr 2011 | United Kingdom | - |
| Norman Charles Chambers | Director | 29 May 1991 | 9 Aug 1996 | American | 77 years |
| Paul Alexander | Director | 26 Mar 1996 | 9 Aug 1996 | British | 66 years |
| Paul Edward Cochiese Ferguson | Secretary | 30 Nov 2004 | 30 Apr 2006 | Irish | - |
| Richard Venton Hawkings | Secretary | 31 May 1996 | 8 Jan 1998 | British | - |
| Robert Keiller | Director | 2 Dec 2002 | 1 Jan 2006 | British | 62 years |
| Robert Muirhead Birnie Brown | Secretary | 20 Apr 2011 | 18 Dec 2015 | British | - |
| Ronald Gordon Beveridge | Director | 13 Jun 2002 | 30 Nov 2004 | British | 81 years |
| Stephen Andrew Brown | Director | 9 Aug 1996 | 6 Jan 1998 | British | 67 years |
| Stephen James Nicol | Director | 1 Feb 2015 | 5 Nov 2020 | British | 51 years |
| Timothy Mary Slattery | Director | 2 Dec 2002 | 30 Nov 2004 | British | 82 years |