Patrick Dolberg

Non-Executive Director

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Phone

+44 207 129 78 28

Email

Info@sigmaroc.com

Address

7-9 Swallow Street London W1B 4DE United Kingdom

Patrick joined the SigmaRoc board as a Non-Executive Director in January 2017. From 2008 to 2013, Patrick was an Executive Committee Member of Holcim Ltd, reporting directly to the CEO, where he was responsible for Western and Central Europe. He joined the Holcim group in 1991, having held executive positions at Exxon Chemical International and Monsanto. From 1992 to 1996, Patrick was General Manager of Scrobiel, a member of the Holcim group. In 1998, he was appointed chief executive officer of St. Lawrence Cement, another Holcim group company, before joining Holcim US as chief executive officer in 2003.

Patrick has an MBA from Solvay Business School, graduating with distinction.

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David Barrett

Executive Chairman

David co-founded SigmaRoc plc together with Max Vermorken and Charles Trigg and has been its Chairman since January 2017. Previously he co-founded London Concrete in 1997, subsequently building ...

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Max Vermorken

Chief Executive Officer

Max co-founded SigmaRoc plc together with David Barrett and Charles Trigg and has served as its CEO since August 2016. Prior to SigmaRoc, Max was strategic advisor to the CEO of LafargeHolcim ...

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Garth Palmer

Finance Director

Garth Palmer has been Finance Director of SigmaRoc since January 2017 bringing a wealth of corporate financial and company secretarial services experience through his advisory company ...

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Dominic Traynor

Non-Executive Director

Dominic Traynor joined the board in August 2016. He is a solicitor based in London working primarily in the resources and energy sectors. He has advised on the structuring and listing of more ...