| Bonnie Phillips Dean | Director | 25 Jun 2018 | 28 Feb 2022 | British,american | 69 years |
| Catherine Garner | Director | 21 Aug 1997 | 30 Nov 2002 | British | 75 years |
| D.w. Company Services Limited | Corporate Nominee Secretary | 12 Jun 1997 | 16 Mar 2018 | United Kingdom | - |
| Dugald Mabon Mackie | Director | 27 Jan 1998 | 31 Mar 2004 | British | 74 years |
| Fraser Mclatchie | Director | 22 Feb 2016 | 31 Dec 2020 | British | 47 years |
| Graham Paterson | Director | 1 Apr 1998 | 23 Dec 2010 | British | 75 years |
| James Drummond Bone | Director | 21 Aug 1997 | 1 Nov 1999 | British | 79 years |
| John Lumsden | Director | 29 Nov 2004 | 4 Jun 2015 | British | 86 years |
| Malcolm Donald Mcleod | Director | 28 Jun 2000 | 31 Jul 2006 | British | 85 years |
| Mary Jane Brouwers | Director | 22 Feb 2016 | 8 Dec 2021 | British | 63 years |
| Maureen Sheila Coutts | Nominee Director | 12 Jun 1997 | 21 Aug 1997 | British | - |
| Michael Buchanan Polson | Nominee Director | 12 Jun 1997 | 21 Aug 1997 | British | 62 years |
| Michael George Simpson Yuille | Director | 21 Aug 1997 | 26 Mar 2004 | British | 76 years |
| Michael Stewart Scott-morton | Director | 1 Aug 2007 | 4 Jun 2015 | American/british | 89 years |
| Neal Peter Juster | Director | 1 Mar 2011 | 30 Sept 2021 | British | 65 years |
| Norman Gray Wright | Director | 28 Jun 2000 | 30 Nov 2003 | British | 87 years |
| Peter Henry Holmes | Director | 21 Aug 1997 | 30 Sept 2008 | British | 84 years |
| Robert Fraser | Director | 4 Jun 2015 | 30 Jun 2020 | British | 68 years |
| Steven Peter Beaumont | Director | 1 Jan 2005 | 4 Jun 2015 | British | 74 years |
| Vito Antonio Muscatelli | Director | 1 Jan 2005 | 31 Jan 2007 | Italian | 64 years |