| Adrienne Clare Bloch | Director | 25 May 2004 | 26 Aug 2005 | British | 57 years |
| Amy Suzanne Renshaw | Director | 26 Aug 2005 | 16 Jun 2006 | New Zealand | 49 years |
| Andrew Malcolm Bell | Director | 10 Oct 2011 | 28 Sept 2012 | British | 51 years |
| Caroline Elizabeth Sheppard | Director | 5 Mar 2014 | 27 Jan 2016 | British | 44 years |
| Christopher Richard Field | Director | 20 Sept 2019 | 30 Jun 2022 | British | 70 years |
| Dws Directors Limited | Corporate Nominee Director | 4 Feb 2002 | 26 Mar 2002 | - | - |
| Dws Secretaries Limited | Corporate Nominee Secretary | 4 Feb 2002 | 26 Mar 2002 | - | - |
| Gary Stephen Lucas | Director | 26 Mar 2002 | 17 Nov 2003 | British | 67 years |
| Gerard David Blood | Director | 26 Mar 2002 | 2 Jun 2003 | Australian | 59 years |
| Gresa Daullxhi | Director | 26 Oct 2016 | 30 Apr 2019 | British | 39 years |
| Ian David Lamerton | Director | 30 Jun 2022 | 1 Mar 2023 | British | 57 years |
| Jamie Pritchard | Director | 19 Jul 2019 | 31 Oct 2019 | British | 54 years |
| John Cann | Director | 6 Aug 2004 | 8 Nov 2005 | British | 68 years |
| John Mcdonagh | Director | 1 Mar 2023 | 20 Dec 2023 | British | 56 years |
| Joseph Mark Linney | Director | 16 Aug 2013 | 22 Jul 2015 | British | 67 years |
| Julian Denzil Sutcliffe | Director | 22 Jul 2015 | 31 Oct 2016 | British | 57 years |
| Keith William Pickard | Director | 17 Nov 2003 | 31 May 2007 | British | 57 years |
| Kevin Alistair Cunningham | Director | 31 Jul 2020 | 1 Mar 2023 | British | 43 years |
| Kirti Ratilal Shah | Director | 28 Sept 2012 | 5 Mar 2014 | British | 61 years |
| Lynn Bridget Murphy | Director | 30 Apr 2019 | 31 Jul 2020 | British | 55 years |
| Malcolm Duncan Mccoll | Director | 26 Mar 2002 | 8 Aug 2003 | British | 54 years |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Masume Hidayatullah | Director | 2 Jun 2003 | 25 May 2004 | British | 61 years |
| Melanie Isabelle Edwards | Director | 27 Jan 2016 | 12 Aug 2016 | British | 43 years |
| Michael Baybutt | Director | 6 Jan 2009 | 16 Aug 2013 | British | 71 years |
| Michael John Mercer-deadman | Director | 1 Dec 2007 | 6 Jan 2009 | British | 79 years |
| Neil Andrew Woodburn | Director | 31 Oct 2016 | 30 Apr 2019 | British | 46 years |
| Neil Smith | Director | 25 Jul 2005 | 1 Dec 2007 | British | 78 years |
| Nuria Puig Mas | Director | 14 Jun 2006 | 16 Aug 2013 | Spanish | 55 years |
| Peter Donne Jones | Director | 2 Jun 2003 | 5 Aug 2004 | British | 70 years |
| Peter Geoffrey Shell | Secretary | 1 Jul 2002 | 23 Mar 2007 | British | - |
| Resolis Limited | Secretary | 30 Dec 2022 | 30 Dec 2022 | United Kingdom | - |
| Richard Weston | Director | 26 Mar 2002 | 17 Nov 2003 | British | 77 years |
| Roger Keith Miller | Secretary | 26 Mar 2002 | 1 Jul 2002 | British | - |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 27 Sept 2012 | British | - |
| Stuart Martin Colvin | Director | 8 Nov 2005 | 10 Oct 2011 | British | 53 years |
| Teresa Sarah Hedges | Secretary | 4 Sept 2015 | 17 Sept 2018 | - | - |
| Vercity Management Services Limited | Corporate Secretary | 17 Sept 2018 | 30 Dec 2022 | United Kingdom | - |