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Charles co-founded SigmaRoc plc together with David Barrett and Max Vermorken and has served as its Technical Directors since August 2016. Previously he was Group Head of Capex at LafargeHolcim Northern Europe responsible for all operational capex in the region. Charles headed up the operations and supply chain streams for the LafargeHolcim merger for the Northern European region.
Charles has previously worked around the world including; New Zealand on the strategic planning of the reconstruction of Christchurch after the earthquake as well as on project for the construction of roads of national significance; and Qatar working for Government Company charged with the country’s strategic construction materials supply where he led the development and construction of various operational sites to ensure continuity of national supply. A trained quarry manager he holds Bachelor degree in minerals processing and chemical engineering.
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 ...
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 ...
Managing Director South West UK
David McClelland has been Managing Director of the SigmaRoc West, South West platform since December 2018, and is responsible for the strategic development and operational management of the ...
Managing Director Europe
Emmanuel joined SigmaRoc in 2019 and is the Managing Director of our European arm. Previously Emmanuel served as CEO of Group De Cloedt (2004-2018), building the business from €40m to ...
Managing Director Ronez Limited
Mike Osborne has been Managing Director of Ronez since 2006, where he has been responsible for Ronez’s strategic direction and operational management. Prior to this, he spent four years ...