Charles co-founded SigmaRoc in 2016, joining the team from his role with Holcim. At SigmaRoc, Charles has led M&A, CAPEX, projects, ops excellence, HSE, ESG, risk, and insurance. Before co-founding the Group, he worked globally in construction and materials, starting at Holcim, then in Qatar on strategic supply, and in NZ on Christchurch's post-quake rebuild. He later returned to Holcim as Group Head of CAPEX Northern Europe and led ops and supply chain for the LafargeHolcim merger in that region.

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