Managing Director South West UK
+44 207 129 78 28
7-9 Swallow Street London W1B 4DE United Kingdom
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 region. Prior to this, he was Managing Director of Tarmac Trading Limited’s Central region’s aggregates, asphalt and concrete business, reporting directly to the Senior Vice President. Between 2013 and 2016, David held the role of Regional Director for Lafarge Tarmac & Tarmac Trading Limited, and from 2004 to 2012 David held a number of director positions within the industry across South Wales, the South West and Midlands. David holds Chartered Membership of the Institute of Occupational Safety and Health, plus is a Fellow of the Institute of Quarrying.
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 ...
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 ...
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 ...