| Alain Leopold Grisay | Director | 11 Oct 2004 | 9 May 2012 | British | 72 years |
| Andrew William Annan Olding | Director | 13 Jan 2014 | 21 Aug 2015 | British | 51 years |
| Benjamin Apfel | Director | 31 Dec 2013 | 2 Jul 2018 | British | 55 years |
| Brian William Sweetland | Director | 27 Aug 1998 | 2 Mar 2001 | British | 81 years |
| Colin Archibald Dickie | Director | 30 Apr 1996 | 13 Nov 1998 | British | 65 years |
| David Jonathan Sloper | Director | 1 Jul 2015 | 16 Jan 2020 | British | 63 years |
| David Logan | Director | 31 Jul 2006 | 17 Jun 2025 | British | 57 years |
| Denette Botchway | Secretary | 13 Sept 2018 | 21 Nov 2018 | - | - |
| F&c Asset Management Plc | Corporate Director | 31 Aug 2001 | 17 Sept 2018 | - | - |
| F&c Asset Management Plc | Corporate Secretary | 6 Jun 1994 | 17 Sept 2018 | - | - |
| Gary Thomas Mairs | Director | 2 Mar 2001 | 31 Aug 2001 | British | 59 years |
| Gavin Barras Reed | Director | 6 Jun 1994 | 27 Aug 1998 | British | 92 years |
| Gordon Joseph Neilly | Director | 6 Jun 1994 | 31 Jan 1997 | British | 66 years |
| Graham Kenneth Aslet | Director | 27 Aug 1998 | 2 Mar 2001 | British | 78 years |
| Howard Carter | Director | 28 Jan 2003 | 16 May 2006 | British | 75 years |
| Ian John Paterson Brown | Director | 28 Jan 2003 | 16 May 2006 | British | 72 years |
| Joan Z Mohammed | Director | 27 Jun 2017 | 28 Nov 2018 | American | 65 years |
| John Alexander Yule | Director | 30 Apr 1996 | 2 Mar 2001 | British | 62 years |
| John Gerard Allison | Director | 6 Jun 1994 | 30 Jan 1996 | British | 77 years |
| Katherine Lam | Secretary | 26 Sept 2019 | 9 Oct 2020 | - | - |
| Kenneth John Back | Director | 31 Aug 2001 | 11 Oct 2004 | British | 71 years |
| Mandy Frances Mannix | Director | 2 Jul 2014 | 19 Oct 2017 | New Zealander | 56 years |
| Mark James Murray | Director | 1 Jun 1994 | 6 Jun 1994 | British | 57 years |
| Martin Andrew Kendrick Smith | Director | 14 Jan 2014 | 30 Jun 2015 | British | 62 years |
| Neil Hood | Director | 6 Jun 1994 | 28 Oct 1997 | British | 83 years |
| Nick Criticos | Director | 28 Jan 2003 | 11 Oct 2004 | British | 68 years |
| Nigel David Parry | Director | 8 Jan 2014 | 2 Jul 2018 | British | 61 years |
| Peter Alistair Kennedy Arthur | Director | 2 Mar 2001 | 11 Oct 2004 | British | 70 years |
| Rebecca Shelley Fuller | Director | 16 Jul 2019 | 15 Jan 2024 | British | 56 years |
| Richard Adrian Watts | Director | 8 Jan 2014 | 30 Sept 2024 | British | 54 years |
| Richard Charles Wilson | Director | 23 May 2012 | 31 Dec 2013 | British | 60 years |
| Richard Ramsay | Director | 14 Mar 1995 | 30 Sept 1996 | British | 76 years |
| Robert Edwin Talbut | Director | 28 Jan 2003 | 11 Oct 2004 | British | 66 years |
| Robert John Edward Thorpe | Director | 9 Oct 2017 | 28 Apr 2022 | British | 54 years |
| Robin John Angus | Director | 6 Jun 1994 | 27 Aug 1998 | British | 74 years |
| Ruth Alexandra Sack | Director | 24 Sept 2023 | 17 Jun 2025 | British | 68 years |
| Steven Mitchell | Director | 28 Oct 1997 | 27 Aug 1998 | British | 77 years |
| Susan Patricia Inglis | Director | 1 Jun 1994 | 6 Jun 1994 | British | 62 years |
| Susan Patricia Inglis | Secretary | 1 Jun 1994 | 6 Jun 1994 | British | - |
| William Ronald Erskine Thomson | Director | 6 Jun 1994 | 27 Aug 1998 | British | 86 years |
| William Theodore Clarke | Secretary | 9 Oct 2020 | 21 Apr 2021 | - | - |