Designing the Strategy
Our Executives
David Barrett
Chairman
David co-founded SigmaRoc plc together with Max Vermorken, Garth Palmer, Charles Trigg and Fons Vermorken and has been its Chairman since January 2017.
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Max Vermorken
CEO
Max co-founded SigmaRoc plc in August 2016 and has since served as its CEO. In this capacity he developed and implemented the Invest Improve Integrate Strategy and platform-based business model of the SigmaRoc Group. As a result the group has grown both organically and through acquisition in several regional markets, building up a strong asset base and a strong financial performance.
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Garth Palmer
CFO
Garth was Finance Director of SigmaRoc from inception until April 2020, at which point he stepped down from his part-time executive role, but remained as a non-executive board member and Company Secretary. In August 2021, in conjunction with the acquisition of Nordkalk, Garth returned as a full-time executive and Chief Financial Officer.
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Implementing the Vision
Invest, Improve, Integrate, Innovate
Charles Trigg
CTO
Improve
Charles co-founded SigmaRoc plc together with David Barrett and Max Vermorken in August 2016 and has served as its Chief Technical Director. Key focus areas have included M&A, CAPEX and projects as well as operational excellence, health and safety, ESG, Risk and Insurance.
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Fons Vermorken
CIO
Innovate
Fons joined SigmaRoc at its founding in 2016 as a consultant, and now acts as its CIO.
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Emmanuel Maes
Chief Development & Acquisitions Director
Invest
Emmanuel joined SigmaRoc in 2019 and has been instrumental in developing the Group in Europe.
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Guy Edwards
Group Head of Integration
Integrate
With more than 30 years of experience in the construction industry (of which 25 has been spent in the UK market), Guy Edwards is Group Head of Integration at SigmaRoc.
LEARN MORECharles Trigg
CTO
Improve
Charles co-founded SigmaRoc plc together with David Barrett and Max Vermorken in August 2016 and has served as its Chief Technical Director. Key focus areas have included M&A, CAPEX and projects as well as operational excellence, health and safety, ESG, Risk and Insurance.
LEARN MOREFons Vermorken
CIO
Innovate
Fons joined SigmaRoc at its founding in 2016 as a consultant, and now acts as its CIO.
LEARN MOREEmmanuel Maes
Chief Development & Acquisitions Director
Invest
Emmanuel joined SigmaRoc in 2019 and has been instrumental in developing the Group in Europe.
LEARN MOREGuy Edwards
Group Head of Integration
Integrate
With more than 30 years of experience in the construction industry (of which 25 has been spent in the UK market), Guy Edwards is Group Head of Integration at SigmaRoc.
LEARN MOREManaging the Regions
Regional Management
Michael Roddy
RMD North West
Michael has been ExCo of SigmaRoc’s Precast Products Group platform since December 2017, during which time he has overseen the acquisition and integration of all platform entities.
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Marcel Gestranius
RMD North and East
Marcel joined Nordkalk in January 1998 and has over 20 years of experience in various leadership positions.
LEARN MOREMichael Roddy
RMD North West
Michael has been ExCo of SigmaRoc’s Precast Products Group platform since December 2017, during which time he has overseen the acquisition and integration of all platform entities.
LEARN MOREMarcel Gestranius
RMD North and East
Marcel joined Nordkalk in January 1998 and has over 20 years of experience in various leadership positions.
LEARN MORESupport
Financial, Legal, Operational & IR
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Anthony Brockbank
General Counsel
Anthony is a qualified solicitor specialising in Corporate Finance. He acts as General Counsel for SigmaRoc.
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Dean Masefield
RFD West, Treasurer
Dean has occupied numerous roles within the SigmaRoc Group, initially as Finance Director of the Channel Islands Platform, then as Finance Director of SigmaRoc, and more recently as Deputy CFO and Director of Investor Relations.
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Clint White
HSE&P Director
Clint White is responsible for group Health, Safety, Environment and Planning and has been with SigmaRoc since 2017.
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Martin Bains
Industrial Director
Martin joined SigmaRoc in 2020 and is currently leading the energy intensity, kiln decarbonisation and optimisation program.
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