National Grid PLC (NG.) Board of Directors | TickerChief Information Officer
–
Chief Commercial Officer
–
Andrew Jonathan Agg
Executive Director
7 yrs 5 mosAge: 56British
Executive Director
9 mosAge: 51Australian,British
Lisa Wieland
President, National Grid US
–
General Counsel and Company Secretary
–
President, National Grid Electricity Transmission
–
President, National Grid Electricity Distribution
–
Alice Delahunty
President, National Grid Generation
–
Carl Trowell
President, National Grid Gas
–
EL
Earsel Lloyd Shipp
Director
7 yrs 5 mosAge: 68American
JS
Jonathan Silver
Director
7 yrs 1 mosAge: 68American
PR
Paula Rosput Reynolds
Director
5 yrs 5 mosAge: 69American
IP
Ian Paul Livingston
Director
4 yrs 10 mosAge: 61British
AW
Antony Wood
Director
4 yrs 9 mosAge: 60British
MB
Martha Brown Wyrsch
Director
4 yrs 9 mosAge: 68American
AR
Anne Robinson
Director
4 yrs 5 mosAge: 55American
IJ
Iain James MacKay
Director
3 yrs 11 mosAge: 64British
JP
Jacqueline Patricia Christine Ferguson
Director
2 yrs 5 mosAge: 55British
JB
Julian Baddeley
Secretary
1 yrs 11 mos
| Name | Role | Appointed | Tenure | Nationality |
|---|
| Chief Operating Officer | – | – | – |
|
Director Remuneration (FYE 2026)
| Director | Role | Base Salary | Total |
|---|
| Zoë Yujnovich | Executive Director | £1,359,000 | £1,359,000 |
| Andy Agg | Executive Director | £849,000 | £849,000 |
Prior year comparison (2 directors)
John Mark Pettigrew
Director
Tenure: 11 yrs 7 mosResigned: 17 Nov 2025
Tenure: 3 yrs 6 mosResigned: 1 Jul 2024
Elizabeth Anne Hewitt
Director
Tenure: 4 yrsResigned: 31 Jan 2024
Therese Marie Esperdy
Director
Tenure: 9 yrs 9 mosResigned: 31 Dec 2023
Chief Information Officer
–
Chief Commercial Officer
–
Andrew Jonathan Agg
Executive Director
7 yrs 5 mosAge: 56British
Executive Director
9 mosAge: 51Australian,British
Lisa Wieland
President, National Grid US
–
General Counsel and Company Secretary
–
President, National Grid Electricity Transmission
–
President, National Grid Electricity Distribution
–
Alice Delahunty
President, National Grid Generation
–
Carl Trowell
President, National Grid Gas
–
EL
Earsel Lloyd Shipp
Director
7 yrs 5 mosAge: 68American
JS
Jonathan Silver
Director
7 yrs 1 mosAge: 68American
PR
Paula Rosput Reynolds
Director
5 yrs 5 mosAge: 69American
IP
Ian Paul Livingston
Director
4 yrs 10 mosAge: 61British
AW
Antony Wood
Director
4 yrs 9 mosAge: 60British
MB
Martha Brown Wyrsch
Director
4 yrs 9 mosAge: 68American
AR
Anne Robinson
Director
4 yrs 5 mosAge: 55American
IJ
Iain James MacKay
Director
3 yrs 11 mosAge: 64British
JP
Jacqueline Patricia Christine Ferguson
Director
2 yrs 5 mosAge: 55British
JB
Julian Baddeley
Secretary
1 yrs 11 mos
| Name | Role | Appointed | Tenure | Nationality |
|---|
| Chief Operating Officer | – | – | – |
|
Director Remuneration (FYE 2026)
| Director | Role | Base Salary | Total |
|---|
| Zoë Yujnovich | Executive Director | £1,359,000 | £1,359,000 |
| Andy Agg | Executive Director | £849,000 | £849,000 |
Prior year comparison (2 directors)
John Mark Pettigrew
Director
Tenure: 11 yrs 7 mosResigned: 17 Nov 2025
Tenure: 3 yrs 6 mosResigned: 1 Jul 2024
Elizabeth Anne Hewitt
Director
Tenure: 4 yrsResigned: 31 Jan 2024
Therese Marie Esperdy
Director
Tenure: 9 yrs 9 mosResigned: 31 Dec 2023
| Chief Information Officer | – | – | – |
| Chief Commercial Officer | – | – | – |
| Executive Director | 1 Jan 2019 | 7 yrs 5 mos | British |
| Executive Director | 1 Sept 2025 | 9 mos | Australian,British |
| President, National Grid US | – | – | – |
| General Counsel and Company Secretary | – | – | – |
| President, National Grid Electricity Transmission | – | – | – |
| President, National Grid Electricity Distribution | – | – | – |
| President, National Grid Generation | – | – | – |
| President, National Grid Gas | – | – | – |
| Director | 1 Jan 2019 | 7 yrs 5 mos | American |
| Director | 16 May 2019 | 7 yrs 1 mos | American |
| Director | 1 Jan 2021 | 5 yrs 5 mos | American |
| Director | 1 Aug 2021 | 4 yrs 10 mos | British |
| Director | 1 Sept 2021 | 4 yrs 9 mos | British |
| Director | 1 Sept 2021 | 4 yrs 9 mos | American |
| Director | 19 Jan 2022 | 4 yrs 5 mos | American |
| Director | 11 Jul 2022 | 3 yrs 11 mos | British |
JP Jacqueline Patricia Christine Ferguson | Director | 1 Jan 2024 | 2 yrs 5 mos | British |
| Secretary | 1 Jul 2024 | 1 yrs 11 mos | – |
| Zoë Yujnovich | Executive Director | £1,300,000 | £1,300,000 |
| Andy Agg | Executive Director | £820,575 | £820,575 |
Amanda Jo Mesler
Tenure: 4 yrs 2 mosResigned: 11 Jul 2022
Jonathan Donald Sherlock Dawson
Director
Tenure: 9 yrs 4 mosResigned: 11 Jul 2022
Mark David Williamson
Director
Tenure: 9 yrs 3 mosResigned: 31 Dec 2021
Tenure: 5 yrsResigned: 26 Jul 2021
Tenure: 9 yrs 5 mosResigned: 26 Jul 2021
Sir Peter Oliver Gershon
Director
Tenure: 9 yrs 9 mosResigned: 31 May 2021
Alison Barbara Kay
Secretary
Tenure: 7 yrs 11 mosResigned: 31 Dec 2020
Dean Lamont Seavers
Director
Tenure: 4 yrs 7 mosResigned: 5 Nov 2019
Nora Mead Brownell
Director
Tenure: 6 yrs 10 mosResigned: 8 Apr 2019
Tenure: 1 yrs 5 mosResigned: 30 Jul 2018
Andrew Robert John Bonfield
Director
Tenure: 7 yrs 8 mosResigned: 30 Jul 2018
Rt Honorable Ruth Maria Kelly
Director
Tenure: 5 yrs 9 mosResigned: 31 Jul 2017
Steven John Holliday
Director
Tenure: 15 yrs 4 mosResigned: 22 Jul 2016
Tenure: 7 yrs 7 mosResigned: 31 Mar 2015
Philip Stanley Aiken
Director
Tenure: 6 yrs 9 mosResigned: 25 Feb 2015
Maria Del Carmen Richter
Director
Tenure: 10 yrs 9 mosResigned: 28 Jul 2014
Nicholas Paul Winser
Director
Tenure: 11 yrs 3 mosResigned: 28 Jul 2014
George Wilfred Rose
Director
Tenure: 10 yrs 9 mosResigned: 29 Jul 2013
Kenneth George Harvey
Director
Tenure: 10 yrs 9 mosResigned: 29 Jul 2013
Helen Margaret Mahy
Non-Executive Director
Tenure: 10 yrs 3 mosResigned: 24 Jan 2013
Linda Louise Adamany
Director
Tenure: 5 yrs 11 mosResigned: 31 Oct 2012
Stephen Raymond Pettit
Director
Tenure: 9 yrs 9 mosResigned: 30 Jul 2012
Sir Thomas John Parker
Director
Tenure: 9 yrs 2 mosResigned: 31 Dec 2011
John Murray Allan
Director
Tenure: 6 yrs 2 mosResigned: 25 Jul 2011
Mark Robert Fairbairn
Director
Tenure: 4 yrs 2 mosResigned: 31 Mar 2011
Stephen Charles Burrard-Lucas
Director
Tenure: 8 yrs 2 mosResigned: 31 Dec 2010
Tenure: 1 yrs 10 mosResigned: 27 Jul 2009
Edward Morrison Astle
Director
Tenure: 6 yrs 6 mosResigned: 30 Apr 2008
Paul Lewis Joskow
Director
Tenure: 5 yrs 9 mosResigned: 31 Jul 2007
Michael E Jesanis
Director
Tenure: 2 yrs 5 mosResigned: 31 Dec 2006
Dr Roger John Urwin
Director
Tenure: 5 yrs 9 mosResigned: 31 Dec 2006
John Albert Martin Grant
Director
Tenure: 4 yrs 9 mosResigned: 31 Jul 2006
Tenure: 3 yrsResigned: 21 Oct 2004
Tenure: 3 yrs 11 mosResigned: 26 Jul 2004
John Bryan Wybrew
Director
Tenure: 1 yrs 1 mosResigned: 30 Nov 2003
Doctor Bonnie Guiton Hill
Director
Tenure: 1 yrs 5 mosResigned: 21 Jul 2003
Benedict John Spurway Mathews
Secretary
Tenure: 7 mosResigned: 21 Oct 2002
William Edward Davis
Director
Tenure: 8 mosResigned: 21 Oct 2002
Robert Frederick William Faircloth
Director
Tenure: 1 yrsResigned: 21 Oct 2002
Richard Gurdon Reynolds
Director
Tenure: 1 yrsResigned: 21 Oct 2002
Tenure: 2 yrs 2 mosResigned: 21 Oct 2002
Fiona Brown Smith
Secretary
Tenure: 2 yrs 2 mosResigned: 21 Oct 2002
David Harold Jones
Director
Tenure: 7 mosResigned: 31 Mar 2001
Tenure: 1 mosResigned: 31 Aug 2000
Michael William Rich
Director
Tenure: 1 mosResigned: 31 Aug 2000
| Name | Role | Appointed | Resigned | Tenure | Nationality |
|---|
| John Mark Pettigrew | Director | 1 Apr 2014 | 17 Nov 2025 | 11 yrs 7 mos | British |
| Justine Campbell | Chief People Officer | 1 Jan 2021 | 1 Jul 2024 | 3 yrs 6 mos | – |
| Elizabeth Anne Hewitt | Director | 1 Jan 2020 | 31 Jan 2024 | 4 yrs | British |
| Therese Marie Esperdy | Director | 18 Mar 2014 | 31 Dec 2023 | 9 yrs 9 mos | American |
| Amanda Jo Mesler | Director | 17 May 2018 |
| Chief Information Officer | – | – | – |
| Chief Commercial Officer | – | – | – |
| Executive Director | 1 Jan 2019 | 7 yrs 5 mos | British |
| Executive Director | 1 Sept 2025 | 9 mos | Australian,British |
| President, National Grid US | – | – | – |
| General Counsel and Company Secretary | – | – | – |
| President, National Grid Electricity Transmission | – | – | – |
| President, National Grid Electricity Distribution | – | – | – |
| President, National Grid Generation | – | – | – |
| President, National Grid Gas | – | – | – |
| Director | 1 Jan 2019 | 7 yrs 5 mos | American |
| Director | 16 May 2019 | 7 yrs 1 mos | American |
| Director | 1 Jan 2021 | 5 yrs 5 mos | American |
| Director | 1 Aug 2021 | 4 yrs 10 mos | British |
| Director | 1 Sept 2021 | 4 yrs 9 mos | British |
| Director | 1 Sept 2021 | 4 yrs 9 mos | American |
| Director | 19 Jan 2022 | 4 yrs 5 mos | American |
| Director | 11 Jul 2022 | 3 yrs 11 mos | British |
JP Jacqueline Patricia Christine Ferguson | Director | 1 Jan 2024 | 2 yrs 5 mos | British |
| Secretary | 1 Jul 2024 | 1 yrs 11 mos | – |
| Zoë Yujnovich | Executive Director | £1,300,000 | £1,300,000 |
| Andy Agg | Executive Director | £820,575 | £820,575 |
Amanda Jo Mesler
Tenure: 4 yrs 2 mosResigned: 11 Jul 2022
Jonathan Donald Sherlock Dawson
Director
Tenure: 9 yrs 4 mosResigned: 11 Jul 2022
Mark David Williamson
Director
Tenure: 9 yrs 3 mosResigned: 31 Dec 2021
Tenure: 5 yrsResigned: 26 Jul 2021
Tenure: 9 yrs 5 mosResigned: 26 Jul 2021
Sir Peter Oliver Gershon
Director
Tenure: 9 yrs 9 mosResigned: 31 May 2021
Alison Barbara Kay
Secretary
Tenure: 7 yrs 11 mosResigned: 31 Dec 2020
Dean Lamont Seavers
Director
Tenure: 4 yrs 7 mosResigned: 5 Nov 2019
Nora Mead Brownell
Director
Tenure: 6 yrs 10 mosResigned: 8 Apr 2019
Tenure: 1 yrs 5 mosResigned: 30 Jul 2018
Andrew Robert John Bonfield
Director
Tenure: 7 yrs 8 mosResigned: 30 Jul 2018
Rt Honorable Ruth Maria Kelly
Director
Tenure: 5 yrs 9 mosResigned: 31 Jul 2017
Steven John Holliday
Director
Tenure: 15 yrs 4 mosResigned: 22 Jul 2016
Tenure: 7 yrs 7 mosResigned: 31 Mar 2015
Philip Stanley Aiken
Director
Tenure: 6 yrs 9 mosResigned: 25 Feb 2015
Maria Del Carmen Richter
Director
Tenure: 10 yrs 9 mosResigned: 28 Jul 2014
Nicholas Paul Winser
Director
Tenure: 11 yrs 3 mosResigned: 28 Jul 2014
George Wilfred Rose
Director
Tenure: 10 yrs 9 mosResigned: 29 Jul 2013
Kenneth George Harvey
Director
Tenure: 10 yrs 9 mosResigned: 29 Jul 2013
Helen Margaret Mahy
Non-Executive Director
Tenure: 10 yrs 3 mosResigned: 24 Jan 2013
Linda Louise Adamany
Director
Tenure: 5 yrs 11 mosResigned: 31 Oct 2012
Stephen Raymond Pettit
Director
Tenure: 9 yrs 9 mosResigned: 30 Jul 2012
Sir Thomas John Parker
Director
Tenure: 9 yrs 2 mosResigned: 31 Dec 2011
John Murray Allan
Director
Tenure: 6 yrs 2 mosResigned: 25 Jul 2011
Mark Robert Fairbairn
Director
Tenure: 4 yrs 2 mosResigned: 31 Mar 2011
Stephen Charles Burrard-Lucas
Director
Tenure: 8 yrs 2 mosResigned: 31 Dec 2010
Tenure: 1 yrs 10 mosResigned: 27 Jul 2009
Edward Morrison Astle
Director
Tenure: 6 yrs 6 mosResigned: 30 Apr 2008
Paul Lewis Joskow
Director
Tenure: 5 yrs 9 mosResigned: 31 Jul 2007
Michael E Jesanis
Director
Tenure: 2 yrs 5 mosResigned: 31 Dec 2006
Dr Roger John Urwin
Director
Tenure: 5 yrs 9 mosResigned: 31 Dec 2006
John Albert Martin Grant
Director
Tenure: 4 yrs 9 mosResigned: 31 Jul 2006
Tenure: 3 yrsResigned: 21 Oct 2004
Tenure: 3 yrs 11 mosResigned: 26 Jul 2004
John Bryan Wybrew
Director
Tenure: 1 yrs 1 mosResigned: 30 Nov 2003
Doctor Bonnie Guiton Hill
Director
Tenure: 1 yrs 5 mosResigned: 21 Jul 2003
Benedict John Spurway Mathews
Secretary
Tenure: 7 mosResigned: 21 Oct 2002
William Edward Davis
Director
Tenure: 8 mosResigned: 21 Oct 2002
Robert Frederick William Faircloth
Director
Tenure: 1 yrsResigned: 21 Oct 2002
Richard Gurdon Reynolds
Director
Tenure: 1 yrsResigned: 21 Oct 2002
Tenure: 2 yrs 2 mosResigned: 21 Oct 2002
Fiona Brown Smith
Secretary
Tenure: 2 yrs 2 mosResigned: 21 Oct 2002
David Harold Jones
Director
Tenure: 7 mosResigned: 31 Mar 2001
Tenure: 1 mosResigned: 31 Aug 2000
Michael William Rich
Director
Tenure: 1 mosResigned: 31 Aug 2000
| Name | Role | Appointed | Resigned | Tenure | Nationality |
|---|
| John Mark Pettigrew | Director | 1 Apr 2014 | 17 Nov 2025 | 11 yrs 7 mos | British |
| Justine Campbell | Chief People Officer | 1 Jan 2021 | 1 Jul 2024 | 3 yrs 6 mos | – |
| Elizabeth Anne Hewitt | Director | 1 Jan 2020 | 31 Jan 2024 | 4 yrs | British |
| Therese Marie Esperdy | Director | 18 Mar 2014 | 31 Dec 2023 | 9 yrs 9 mos | American |
| Amanda Jo Mesler | Director | 17 May 2018 |
| Jonathan Donald Sherlock Dawson | Director | 4 Mar 2013 | 11 Jul 2022 | 9 yrs 4 mos | British |
| Mark David Williamson | Director | 3 Sept 2012 | 31 Dec 2021 | 9 yrs 3 mos | British |
| Lucy Nicola Shaw | Director | 1 Jul 2016 | 26 Jul 2021 | 5 yrs | British |
| Dr Paul Golby | Director | 1 Feb 2012 | 26 Jul 2021 | 9 yrs 5 mos | British |
| Sir Peter Oliver Gershon | Director | 1 Aug 2011 | 31 May 2021 | 9 yrs 9 mos | British |
| Alison Barbara Kay | Secretary | 24 Jan 2013 | 31 Dec 2020 | 7 yrs 11 mos | – |
| Dean Lamont Seavers | Director | 1 Apr 2015 | 5 Nov 2019 | 4 yrs 7 mos | American |
| Nora Mead Brownell | Director | 1 Jun 2012 | 8 Apr 2019 | 6 yrs 10 mos | American |
| Pierre Dufour | Director | 16 Feb 2017 | 30 Jul 2018 | 1 yrs 5 mos | Canadian |
| Andrew Robert John Bonfield | Director | 1 Nov 2010 | 30 Jul 2018 | 7 yrs 8 mos | British |
| Rt Honorable Ruth Maria Kelly | Director | 1 Oct 2011 | 31 Jul 2017 | 5 yrs 9 mos | British |
| Steven John Holliday | Director | 30 Mar 2001 | 22 Jul 2016 | 15 yrs 4 mos | British |
| Thomas B King | Director | 13 Aug 2007 | 31 Mar 2015 | 7 yrs 7 mos | American |
| Philip Stanley Aiken | Director | 15 May 2008 | 25 Feb 2015 | 6 yrs 9 mos | Australian |
| Maria Del Carmen Richter | Director | 1 Oct 2003 | 28 Jul 2014 | 10 yrs 9 mos | American |
| Nicholas Paul Winser | Director | 28 Apr 2003 | 28 Jul 2014 | 11 yrs 3 mos | British |
| George Wilfred Rose | Director | 21 Oct 2002 | 29 Jul 2013 | 10 yrs 9 mos | British |
| Kenneth George Harvey | Director | 21 Oct 2002 | 29 Jul 2013 | 10 yrs 9 mos | British |
| Helen Margaret Mahy | Non-Executive Director | 21 Oct 2002 | 24 Jan 2013 | 10 yrs 3 mos | British |
| Linda Louise Adamany | Director | 1 Nov 2006 | 31 Oct 2012 | 5 yrs 11 mos | American |
| Stephen Raymond Pettit | Director | 21 Oct 2002 | 30 Jul 2012 | 9 yrs 9 mos | British |
| Sir Thomas John Parker | Director | 21 Oct 2002 | 31 Dec 2011 | 9 yrs 2 mos | British |
| John Murray Allan | Director | 1 May 2005 | 25 Jul 2011 | 6 yrs 2 mos | British |
| Mark Robert Fairbairn | Director | 1 Jan 2007 | 31 Mar 2011 | 4 yrs 2 mos | British |
| Stephen Charles Burrard-Lucas | Director | 21 Oct 2002 | 31 Dec 2010 | 8 yrs 2 mos | British |
| Robert B Catell | Director | 25 Sept 2007 | 27 Jul 2009 | 1 yrs 10 mos | American |
| Edward Morrison Astle | Director | 23 Oct 2001 | 30 Apr 2008 | 6 yrs 6 mos | British |
| Paul Lewis Joskow | Director | 23 Oct 2001 | 31 Jul 2007 | 5 yrs 9 mos | Us Citizen |
| Michael E Jesanis | Director | 26 Jul 2004 | 31 Dec 2006 | 2 yrs 5 mos | American |
| Dr Roger John Urwin | Director | 30 Mar 2001 | 31 Dec 2006 | 5 yrs 9 mos | British |
| John Albert Martin Grant | Director | 23 Oct 2001 | 31 Jul 2006 | 4 yrs 9 mos | British |
| James Hood Ross | Director | 23 Oct 2001 | 21 Oct 2004 | 3 yrs | British |
| Richard P Sergel | Director | 31 Aug 2000 | 26 Jul 2004 | 3 yrs 11 mos | American |
| John Bryan Wybrew | Director | 21 Oct 2002 | 30 Nov 2003 | 1 yrs 1 mos | British |
| Doctor Bonnie Guiton Hill | Director | 11 Feb 2002 | 21 Jul 2003 | 1 yrs 5 mos | Us Citizen |
| Benedict John Spurway Mathews | Secretary | 12 Mar 2002 | 21 Oct 2002 | 7 mos | British |
| William Edward Davis | Director | 11 Feb 2002 | 21 Oct 2002 | 8 mos | Us Citizen |
| Robert Frederick William Faircloth | Director | 23 Oct 2001 | 21 Oct 2002 | 1 yrs | Us Citizen |
| Richard Gurdon Reynolds | Director | 23 Oct 2001 | 21 Oct 2002 | 1 yrs | British |
| Stephen John Box | Director | 31 Aug 2000 | 21 Oct 2002 | 2 yrs 2 mos | British |
| Fiona Brown Smith | Secretary | 31 Aug 2000 | 21 Oct 2002 | 2 yrs 2 mos | British |
| David Harold Jones | Director | 31 Aug 2000 | 31 Mar 2001 | 7 mos | British |
| William Warner | Director | 11 Jul 2000 | 31 Aug 2000 | 1 mos | British |
| Michael William Rich | Director | 11 Jul 2000 | 31 Aug 2000 | 1 mos | British |
| Jonathan Donald Sherlock Dawson | Director | 4 Mar 2013 | 11 Jul 2022 | 9 yrs 4 mos | British |
| Mark David Williamson | Director | 3 Sept 2012 | 31 Dec 2021 | 9 yrs 3 mos | British |
| Lucy Nicola Shaw | Director | 1 Jul 2016 | 26 Jul 2021 | 5 yrs | British |
| Dr Paul Golby | Director | 1 Feb 2012 | 26 Jul 2021 | 9 yrs 5 mos | British |
| Sir Peter Oliver Gershon | Director | 1 Aug 2011 | 31 May 2021 | 9 yrs 9 mos | British |
| Alison Barbara Kay | Secretary | 24 Jan 2013 | 31 Dec 2020 | 7 yrs 11 mos | – |
| Dean Lamont Seavers | Director | 1 Apr 2015 | 5 Nov 2019 | 4 yrs 7 mos | American |
| Nora Mead Brownell | Director | 1 Jun 2012 | 8 Apr 2019 | 6 yrs 10 mos | American |
| Pierre Dufour | Director | 16 Feb 2017 | 30 Jul 2018 | 1 yrs 5 mos | Canadian |
| Andrew Robert John Bonfield | Director | 1 Nov 2010 | 30 Jul 2018 | 7 yrs 8 mos | British |
| Rt Honorable Ruth Maria Kelly | Director | 1 Oct 2011 | 31 Jul 2017 | 5 yrs 9 mos | British |
| Steven John Holliday | Director | 30 Mar 2001 | 22 Jul 2016 | 15 yrs 4 mos | British |
| Thomas B King | Director | 13 Aug 2007 | 31 Mar 2015 | 7 yrs 7 mos | American |
| Philip Stanley Aiken | Director | 15 May 2008 | 25 Feb 2015 | 6 yrs 9 mos | Australian |
| Maria Del Carmen Richter | Director | 1 Oct 2003 | 28 Jul 2014 | 10 yrs 9 mos | American |
| Nicholas Paul Winser | Director | 28 Apr 2003 | 28 Jul 2014 | 11 yrs 3 mos | British |
| George Wilfred Rose | Director | 21 Oct 2002 | 29 Jul 2013 | 10 yrs 9 mos | British |
| Kenneth George Harvey | Director | 21 Oct 2002 | 29 Jul 2013 | 10 yrs 9 mos | British |
| Helen Margaret Mahy | Non-Executive Director | 21 Oct 2002 | 24 Jan 2013 | 10 yrs 3 mos | British |
| Linda Louise Adamany | Director | 1 Nov 2006 | 31 Oct 2012 | 5 yrs 11 mos | American |
| Stephen Raymond Pettit | Director | 21 Oct 2002 | 30 Jul 2012 | 9 yrs 9 mos | British |
| Sir Thomas John Parker | Director | 21 Oct 2002 | 31 Dec 2011 | 9 yrs 2 mos | British |
| John Murray Allan | Director | 1 May 2005 | 25 Jul 2011 | 6 yrs 2 mos | British |
| Mark Robert Fairbairn | Director | 1 Jan 2007 | 31 Mar 2011 | 4 yrs 2 mos | British |
| Stephen Charles Burrard-Lucas | Director | 21 Oct 2002 | 31 Dec 2010 | 8 yrs 2 mos | British |
| Robert B Catell | Director | 25 Sept 2007 | 27 Jul 2009 | 1 yrs 10 mos | American |
| Edward Morrison Astle | Director | 23 Oct 2001 | 30 Apr 2008 | 6 yrs 6 mos | British |
| Paul Lewis Joskow | Director | 23 Oct 2001 | 31 Jul 2007 | 5 yrs 9 mos | Us Citizen |
| Michael E Jesanis | Director | 26 Jul 2004 | 31 Dec 2006 | 2 yrs 5 mos | American |
| Dr Roger John Urwin | Director | 30 Mar 2001 | 31 Dec 2006 | 5 yrs 9 mos | British |
| John Albert Martin Grant | Director | 23 Oct 2001 | 31 Jul 2006 | 4 yrs 9 mos | British |
| James Hood Ross | Director | 23 Oct 2001 | 21 Oct 2004 | 3 yrs | British |
| Richard P Sergel | Director | 31 Aug 2000 | 26 Jul 2004 | 3 yrs 11 mos | American |
| John Bryan Wybrew | Director | 21 Oct 2002 | 30 Nov 2003 | 1 yrs 1 mos | British |
| Doctor Bonnie Guiton Hill | Director | 11 Feb 2002 | 21 Jul 2003 | 1 yrs 5 mos | Us Citizen |
| Benedict John Spurway Mathews | Secretary | 12 Mar 2002 | 21 Oct 2002 | 7 mos | British |
| William Edward Davis | Director | 11 Feb 2002 | 21 Oct 2002 | 8 mos | Us Citizen |
| Robert Frederick William Faircloth | Director | 23 Oct 2001 | 21 Oct 2002 | 1 yrs | Us Citizen |
| Richard Gurdon Reynolds | Director | 23 Oct 2001 | 21 Oct 2002 | 1 yrs | British |
| Stephen John Box | Director | 31 Aug 2000 | 21 Oct 2002 | 2 yrs 2 mos | British |
| Fiona Brown Smith | Secretary | 31 Aug 2000 | 21 Oct 2002 | 2 yrs 2 mos | British |
| David Harold Jones | Director | 31 Aug 2000 | 31 Mar 2001 | 7 mos | British |
| William Warner | Director | 11 Jul 2000 | 31 Aug 2000 | 1 mos | British |
| Michael William Rich | Director | 11 Jul 2000 | 31 Aug 2000 | 1 mos | British |
