Key Management

Photo of Max Vermorken

Max Vermorken

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 ...

Photo of Garth Palmer

Garth Palmer

Finance Director

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 ...

Photo of Charles Trigg

Charles Trigg

Technical Director

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 ...

Photo of David McClelland

David McClelland

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 ...

Photo of Mike Osborne

Mike Osborne

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 ...

Photo of Michael Roddy

Michael Roddy

Managing Director SigmaPPG

Michael has been Managing Director of SigmaPPG (Precast Products Group) since December 2017, he has been working within the building materials / products sector for 16 years. Most recently as ...