Mike Osborne, ExCo Ronez

Mike Osborne is ExCo of SigmaRoc’s Ronez platform; previously he was managing director from 2006 until SigmaRoc’s acquisition in 2017, where he has been responsible for Ronez’s strategic direction and operational management.

Prior to this, he spent four years as director of Aggregate Industries’ overseas operations, reporting directly to the Aggregate Industries’ chief executive officer. Between 1998 and 2001,

Mike held a number of roles for Tarmac Group Limited primarily in Central Europe. Mike has a BSc (Eng) in Mining Engineering from the University of London and he is a Fellow of the Institute of Quarrying.