Platform Management

Paul Gustavsson

ExCo Nordkalk

Paul is CEO of Nordkalk since 2019 and leads our Northern European platform since its integration. 

Mike Osborne

ExCo Channel Islands

Mike has been ExCo of the Ronez platform since SigmaRoc’s acquisition in 2017 and was previously managing director since 2006, where he was responsible for Ronez’s strategic direction.

Michael Roddy


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.

Christophe Huyghebaert

ExCo Dimension Stone

Former commercial director of Heidelberg Cement, Christophe has joined SigmaRoc in 2021 as the ExCo of our dimension stone platform.

Nick Cleary

ExCo South Wales

Nick joined SigmaRoc in 2021 as the ExCo of our Quarry Products and Contracting Business in South Wales.

SigmaRoc to install carbon capture facility


RightCast Ltd RightCast Ltd We are pleased to welcome the RightCast team into SigmaRoc’s Precast