Designing the Strategy
Our Executives
David Barrett
Chairman
Co-founded London Concrete in 1997, subsequently building the business from one concrete plant in London to over a dozen plants around the capital. London Concrete was sold to Aggregate Industries and is currently the number one concrete supplier in London, with flagship projects such as the London Olympics, the Shard, the US embassy and the new Bloomberg building. Having previously worked with Pioneer, David retired from London Concrete in 2015 and is widely considered an expert in the industry.
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Max Vermorken
CEO
Prior to SigmaRoc, Max was strategic advisor to the CEO of LafargeHolcim Ltd (LafargeHolcim) Northern Europe, the world’s largest construction materials group. His role included responsibility for the merger of Lafarge SA and Holcim Ltd in the region involving the only Day 1 integration of the two businesses following the hive-down and integration of two large asset portfolios – a mix which included two cement plants and a multitude of down-stream aggregates and construction materials assets. Prior to working for LafargeHolcim, Max worked in private equity at Luxembourg-headquartered The Genii Group, where he reported directly to its founding principals. Max holds a PhD in Financial Economics from University College London and Bachelor and Master degrees in both Civil Engineering and Financial Economics from University College London and the University of Brussels respectively.
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Jan Van Beek
CFO
Jan qualified as an accountant with Deloitte and led their international practice in the Netherlands. He subsequently built a distinguished career in senior finance roles within the minerals and chemicals industry based in Europe and the USA. During his time at Shell plc spin-out Hexion Jan was Global Finance Director and subsequently CFO of several divisions, comprising turnover of over USD 4bn and sales in 4 continents. At Hexion Jan was jointly responsible for investor relations work in relation to USD 3bn NYSE listed bonds, their financing of multi-layered debt facilities as well as reporting work up to ultimate owner Apollo Global Management. At the end of his tenure with Hexion, Jan became CFO designate of a USD 2bn spin-out. Most recently Jan was Head of Finance at ASML, the world leading producer of machines for the semiconductor industry with a market capitalisation of EUR 250bn.
LEARN MOREImplementing the Vision
Invest, Improve, Integrate, Innovate
Charles Trigg
Group ExCo Member - Improve
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
Group ExCo Member - Innovate
Innovate
Fons joined SigmaRoc at its founding in 2016 as a consultant, and now acts as its CIO.
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Emmanuel Maes
Group ExCo Member - Invest
Invest
Emmanuel joined SigmaRoc in 2019 and has been instrumental in developing the Group in Europe.
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Guy Edwards
Group ExCo Member - Integrate
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
Group ExCo Member - Improve
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
Group ExCo Member - Innovate
Innovate
Fons joined SigmaRoc at its founding in 2016 as a consultant, and now acts as its CIO.
LEARN MOREEmmanuel Maes
Group ExCo Member - Invest
Invest
Emmanuel joined SigmaRoc in 2019 and has been instrumental in developing the Group in Europe.
LEARN MOREGuy Edwards
Group ExCo Member - Integrate
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
Support
Financial, Legal, Operational & IR
Anthony Brockbank
General Counsel & Company Secretary
Anthony is a qualified solicitor specialising in Corporate Finance. He acts as General Counsel for SigmaRoc.
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Dean Masefield
Group Treasurer & FD Channel Islands
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
Group Industrial Director
Martin joined SigmaRoc in 2020 and is currently leading the energy intensity, kiln decarbonisation and optimisation program.
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