Tamar Minerals plc (TMR) Board of Directors | TickerMark Thompson
Non-Executive Chairman
3 mos
Sam Quinn
Non-executive Director and Company Secretary
–
Robert Brett Boynton
Non-Executive Director
11 yrs 5 mosAge: 54British
Andrew James Ashton Wilson
Non-Executive Director
11 mosAge: 45British
Mark Edward Thompson
Director
1 yrs 5 mosAge: 54British
| Name | Role | Appointed | Tenure | Nationality |
|---|
| Non-Executive Chairman | 15 Jul 2026 | 3 mos | – |
| CEO | – | – | – |
| Non-executive Director and Company Secretary | – | – | – |
|
Sam Delevan Quinn
Executive Director
Tenure: 9 yrs 5 mosResigned: 15 Jul 2026
Sam Delevan Quinn
Secretary
Tenure: 11 yrs 2 mosResigned: 15 Jul 2026
Jonathan Robbeson
Director
Tenure: 1 yrs 9 mosResigned: 12 May 2025
Bruce William John Fulton
Director
Tenure: 6 yrs 11 mosResigned: 12 May 2025
Dennis Vernon Edmonds
Executive Director
Tenure: 3 yrs 4 mosResigned: 15 Aug 2023
Mark Thompson
Non-Executive Chairman
3 mos
Sam Quinn
Non-executive Director and Company Secretary
–
Robert Brett Boynton
Non-Executive Director
11 yrs 5 mosAge: 54British
Andrew James Ashton Wilson
Non-Executive Director
11 mosAge: 45British
Mark Edward Thompson
Director
1 yrs 5 mosAge: 54British
| Name | Role | Appointed | Tenure | Nationality |
|---|
| Non-Executive Chairman | 15 Jul 2026 | 3 mos | – |
| CEO | – | – | – |
| Non-executive Director and Company Secretary | – | – | – |
|
Sam Delevan Quinn
Executive Director
Tenure: 9 yrs 5 mosResigned: 15 Jul 2026
Sam Delevan Quinn
Secretary
Tenure: 11 yrs 2 mosResigned: 15 Jul 2026
Jonathan Robbeson
Director
Tenure: 1 yrs 9 mosResigned: 12 May 2025
Bruce William John Fulton
Director
Tenure: 6 yrs 11 mosResigned: 12 May 2025
Dennis Vernon Edmonds
Executive Director
Tenure: 3 yrs 4 mosResigned: 15 Aug 2023
Robert Brett Boynton
Robert Brett Boynton
Andrew James Ashton Wilson | Non-Executive Director | 13 Nov 2025 | 11 mos | British |
Andrew James Ashton Wilson | Non-Executive Director | 13 Nov 2025 | 11 mos | British |
| Director | 12 May 2025 | 1 yrs 5 mos | British |
| Director | 12 May 2025 | 1 yrs 5 mos | British |
Tenure: 3 yrs 7 mosResigned: 28 Apr 2020
Tenure: 3 yrs 7 mosResigned: 28 Apr 2020
Shishir Kumar Poddar
Director
Tenure: 1 yrs 11 mosResigned: 26 May 2017
Shishir Kumar Poddar
Director
Tenure: 1 yrs 11 mosResigned: 26 May 2017
David Ranil Premraj
Director
Tenure: 3 yrs 5 mosResigned: 19 Sept 2016
David Ranil Premraj
Director
Tenure: 3 yrs 5 mosResigned: 19 Sept 2016
John Laurie Hunter
Director
Tenure: 1 yrs 11 mosResigned: 16 Feb 2016
John Laurie Hunter
Director
Tenure: 1 yrs 11 mosResigned: 16 Feb 2016
Jeffrey Royce Marvin
Director
Tenure: 4 yrs 2 mosResigned: 16 Feb 2016
Jeffrey Royce Marvin
Director
Tenure: 4 yrs 2 mosResigned: 16 Feb 2016
Marthinus Johaannes Hendrik Pienaar
Director
Tenure: 2 yrs 2 mosResigned: 18 Jun 2015
Marthinus Johaannes Hendrik Pienaar
Director
Tenure: 2 yrs 2 mosResigned: 18 Jun 2015
Manoli George Richard Yannaghas
Secretary
Tenure: 1 yrs 2 mosResigned: 26 May 2015
Manoli George Richard Yannaghas
Secretary
Tenure: 1 yrs 2 mosResigned: 26 May 2015
Manoli George Richard Yannaghas
Director
Tenure: 2 yrs 9 mosResigned: 26 May 2015
Manoli George Richard Yannaghas
Director
Tenure: 2 yrs 9 mosResigned: 26 May 2015
Tenure: 2 yrs 4 mosResigned: 12 Mar 2014
Tenure: 2 yrs 4 mosResigned: 12 Mar 2014
Tenure: 2 yrs 4 mosResigned: 12 Mar 2014
Tenure: 2 yrs 4 mosResigned: 12 Mar 2014
Nicholas James Humphreys Hall
Director
Tenure: 1 yrs 1 mosResigned: 31 Dec 2011
Nicholas James Humphreys Hall
Director
Tenure: 1 yrs 1 mosResigned: 31 Dec 2011
Russell James Darvill
Director
Tenure: 1 yrsResigned: 14 Nov 2011
Russell James Darvill
Director
Tenure: 1 yrsResigned: 14 Nov 2011
Jonathan Edward Lander
Director
Tenure: 8 mosResigned: 16 Nov 2010
Jonathan Edward Lander
Director
Tenure: 8 mosResigned: 16 Nov 2010
Nicholas Paul Lander
Director
Tenure: 8 mosResigned: 16 Nov 2010
Nicholas Paul Lander
Director
Tenure: 8 mosResigned: 16 Nov 2010
Nicholas Paul Lander
Secretary
Tenure: 8 mosResigned: 16 Nov 2010
Nicholas Paul Lander
Secretary
Tenure: 8 mosResigned: 16 Nov 2010
Tenure: 2 mosResigned: 4 Mar 2010
Tenure: 2 mosResigned: 4 Mar 2010
Martin Terence Alan Purvis
Director
Tenure: 2 mosResigned: 4 Mar 2010
Martin Terence Alan Purvis
Director
Tenure: 2 mosResigned: 4 Mar 2010
Martin Terence Alan Purvis
Secretary
Tenure: 11 mosResigned: 4 Mar 2010
Martin Terence Alan Purvis
Secretary
Tenure: 11 mosResigned: 4 Mar 2010
Charles John Nicholas Ward
Director
Tenure: 1 yrs 9 mosResigned: 1 Mar 2010
Charles John Nicholas Ward
Director
Tenure: 1 yrs 9 mosResigned: 1 Mar 2010
Martin Kiersnowski
Director
Tenure: 9 mosResigned: 14 Jan 2010
Martin Kiersnowski
Director
Tenure: 9 mosResigned: 14 Jan 2010
David Elie Cicurel
Executive Director
Tenure: 5 yrs 6 mosResigned: 14 Jan 2010
David Elie Cicurel
Executive Director
Tenure: 5 yrs 6 mosResigned: 14 Jan 2010
Tenure: 4 yrs 9 mosResigned: 20 Apr 2009
Tenure: 4 yrs 9 mosResigned: 20 Apr 2009
Stephane Simon Alfred Zittoun
Director
Tenure: 8 mosResigned: 11 Feb 2009
Stephane Simon Alfred Zittoun
Director
Tenure: 8 mosResigned: 11 Feb 2009
Ivan James Southall
Secretary
Tenure: 4 yrs 6 mosResigned: 31 Jan 2009
Ivan James Southall
Secretary
Tenure: 4 yrs 6 mosResigned: 31 Jan 2009
Eoin Stephen Ryan
Director
Tenure: 4 yrs 2 mosResigned: 30 Sept 2008
Eoin Stephen Ryan
Director
Tenure: 4 yrs 2 mosResigned: 30 Sept 2008
Mr. Lionel William Thain
Director
Tenure: 4 yrs 2 mosResigned: 29 Sept 2008
Mr. Lionel William Thain
Director
Tenure: 4 yrs 2 mosResigned: 29 Sept 2008
Colin Thomas Lloyd
Director
Tenure: 3 yrs 11 mosResigned: 20 Jun 2008
Colin Thomas Lloyd
Director
Tenure: 3 yrs 11 mosResigned: 20 Jun 2008
Tenure: 11 mosResigned: 30 May 2008
Tenure: 11 mosResigned: 30 May 2008
| Name | Role | Appointed | Resigned | Tenure | Nationality |
|---|
| Sam Delevan Quinn | Executive Director | 20 Feb 2017 | 15 Jul 2026 | 9 yrs 5 mos | British |
| Sam Delevan Quinn | Secretary | 26 May 2015 | 15 Jul 2026 | 11 yrs 2 mos | – |
| Jonathan Robbeson | Director | 15 Aug 2023 | 12 May 2025 | 1 yrs 9 mos | Australian |
| Bruce William John Fulton | Director | 25 Jun 2018 | 12 May 2025 | 6 yrs 11 mos | New Zealander |
| Dennis Vernon Edmonds | Executive Director | 28 Apr 2020 | 15 Aug 2023 | 3 yrs 4 mos | British |
| Zegham Rashid Choudhry | Director | 19 Sept 2016 |
| Name | Role | Appointed | Resigned | Tenure | Nationality |
|---|
| Sam Delevan Quinn | Executive Director | 20 Feb 2017 | 15 Jul 2026 | 9 yrs 5 mos | British |
| Sam Delevan Quinn | Secretary | 26 May 2015 | 15 Jul 2026 | 11 yrs 2 mos | – |
| Jonathan Robbeson | Director | 15 Aug 2023 | 12 May 2025 | 1 yrs 9 mos | Australian |
| Bruce William John Fulton | Director | 25 Jun 2018 | 12 May 2025 | 6 yrs 11 mos | New Zealander |
| Dennis Vernon Edmonds | Executive Director | 28 Apr 2020 | 15 Aug 2023 | 3 yrs 4 mos | British |
| Zegham Rashid Choudhry | Director | 19 Sept 2016 |
| Shishir Kumar Poddar | Director | 18 Jun 2015 | 26 May 2017 | 1 yrs 11 mos | Indian |
| Shishir Kumar Poddar | Director | 18 Jun 2015 | 26 May 2017 | 1 yrs 11 mos | Indian |
| David Ranil Premraj | Director | 10 Apr 2013 | 19 Sept 2016 | 3 yrs 5 mos | Australian |
| David Ranil Premraj | Director | 10 Apr 2013 | 19 Sept 2016 | 3 yrs 5 mos | Australian |
| John Laurie Hunter | Director | 12 Mar 2014 | 16 Feb 2016 | 1 yrs 11 mos | British |
| John Laurie Hunter | Director | 12 Mar 2014 | 16 Feb 2016 | 1 yrs 11 mos | British |
| Jeffrey Royce Marvin | Director | 21 Dec 2011 | 16 Feb 2016 | 4 yrs 2 mos | American |
| Jeffrey Royce Marvin | Director | 21 Dec 2011 | 16 Feb 2016 | 4 yrs 2 mos | American |
| Marthinus Johaannes Hendrik Pienaar | Director | 10 Apr 2013 | 18 Jun 2015 | 2 yrs 2 mos | South African |
| Marthinus Johaannes Hendrik Pienaar | Director | 10 Apr 2013 | 18 Jun 2015 | 2 yrs 2 mos | South African |
| Manoli George Richard Yannaghas | Secretary | 12 Mar 2014 | 26 May 2015 | 1 yrs 2 mos | British |
| Manoli George Richard Yannaghas | Secretary | 12 Mar 2014 | 26 May 2015 | 1 yrs 2 mos | British |
| Manoli George Richard Yannaghas | Director | 22 Aug 2012 | 26 May 2015 | 2 yrs 9 mos | British |
| Manoli George Richard Yannaghas | Director | 22 Aug 2012 | 26 May 2015 | 2 yrs 9 mos | British |
| Gobind Sahney | Director | 14 Nov 2011 | 12 Mar 2014 | 2 yrs 4 mos | American |
| Gobind Sahney | Director | 14 Nov 2011 | 12 Mar 2014 | 2 yrs 4 mos | American |
| Gobind Sahney | Secretary | 1 Nov 2011 | 12 Mar 2014 | 2 yrs 4 mos | – |
| Gobind Sahney | Secretary | 1 Nov 2011 | 12 Mar 2014 | 2 yrs 4 mos | – |
| Nicholas James Humphreys Hall | Director | 19 Nov 2010 | 31 Dec 2011 | 1 yrs 1 mos | British |
| Nicholas James Humphreys Hall | Director | 19 Nov 2010 | 31 Dec 2011 | 1 yrs 1 mos | British |
| Russell James Darvill | Director | 16 Nov 2010 | 14 Nov 2011 | 1 yrs | British |
| Russell James Darvill | Director | 16 Nov 2010 | 14 Nov 2011 | 1 yrs | British |
| Jonathan Edward Lander | Director | 4 Mar 2010 | 16 Nov 2010 | 8 mos | British |
| Jonathan Edward Lander | Director | 4 Mar 2010 | 16 Nov 2010 | 8 mos | British |
| Nicholas Paul Lander | Director | 4 Mar 2010 | 16 Nov 2010 | 8 mos | British |
| Nicholas Paul Lander | Director | 4 Mar 2010 | 16 Nov 2010 | 8 mos | British |
| Nicholas Paul Lander | Secretary | 4 Mar 2010 | 16 Nov 2010 | 8 mos | – |
| Nicholas Paul Lander | Secretary | 4 Mar 2010 | 16 Nov 2010 | 8 mos | – |
| John Buck Lloyd | Director | 25 Jan 2010 | 4 Mar 2010 | 2 mos | British |
| John Buck Lloyd | Director | 25 Jan 2010 | 4 Mar 2010 | 2 mos | British |
| Martin Terence Alan Purvis | Director | 25 Jan 2010 | 4 Mar 2010 | 2 mos | British |
| Martin Terence Alan Purvis | Director | 25 Jan 2010 | 4 Mar 2010 | 2 mos | British |
| Martin Terence Alan Purvis | Secretary | 20 Apr 2009 | 4 Mar 2010 | 11 mos | Other |
| Martin Terence Alan Purvis | Secretary | 20 Apr 2009 | 4 Mar 2010 | 11 mos | Other |
| Charles John Nicholas Ward | Director | 19 Jun 2008 | 1 Mar 2010 | 1 yrs 9 mos | British |
| Charles John Nicholas Ward | Director | 19 Jun 2008 | 1 Mar 2010 | 1 yrs 9 mos | British |
| Martin Kiersnowski | Director | 20 Apr 2009 | 14 Jan 2010 | 9 mos | British |
| Martin Kiersnowski | Director | 20 Apr 2009 | 14 Jan 2010 | 9 mos | British |
| David Elie Cicurel | Executive Director | 8 Jul 2004 | 14 Jan 2010 | 5 yrs 6 mos | French |
| David Elie Cicurel | Executive Director | 8 Jul 2004 | 14 Jan 2010 | 5 yrs 6 mos | French |
| Barton Lee Faber | Director | 8 Jul 2004 | 20 Apr 2009 | 4 yrs 9 mos | American |
| Barton Lee Faber | Director | 8 Jul 2004 | 20 Apr 2009 | 4 yrs 9 mos | American |
| Stephane Simon Alfred Zittoun | Director | 3 Jun 2008 | 11 Feb 2009 | 8 mos | French |
| Stephane Simon Alfred Zittoun | Director | 3 Jun 2008 | 11 Feb 2009 | 8 mos | French |
| Ivan James Southall | Secretary | 8 Jul 2004 | 31 Jan 2009 | 4 yrs 6 mos | British |
| Ivan James Southall | Secretary | 8 Jul 2004 | 31 Jan 2009 | 4 yrs 6 mos | British |
| Eoin Stephen Ryan | Director | 8 Jul 2004 | 30 Sept 2008 | 4 yrs 2 mos | Irish |
| Eoin Stephen Ryan | Director | 8 Jul 2004 | 30 Sept 2008 | 4 yrs 2 mos | Irish |
| Mr. Lionel William Thain | Director | 8 Jul 2004 | 29 Sept 2008 | 4 yrs 2 mos | British |
| Mr. Lionel William Thain | Director | 8 Jul 2004 | 29 Sept 2008 | 4 yrs 2 mos | British |
| Colin Thomas Lloyd | Director | 8 Jul 2004 | 20 Jun 2008 | 3 yrs 11 mos | British |
| Colin Thomas Lloyd | Director | 8 Jul 2004 | 20 Jun 2008 | 3 yrs 11 mos | British |
| Jerome Stioui | Director | 27 Jun 2007 | 30 May 2008 | 11 mos | French |
| Jerome Stioui | Director | 27 Jun 2007 | 30 May 2008 | 11 mos | French |
