Amrize
Stephane Ortega Collin is a seasoned professional with extensive experience in production and mechanical processes technologies. Currently serving as Senior Lead in Production and Mechanical Processes Technologies at Amrize since June 2025, Stephane previously held various leadership roles at Holcim from April 2020 to June 2025, including Lead Process - Production & Materials Engineer, Industrial Business Partner North America, and Cost & Performance Manager. Prior experience includes serving as Country Process, Production & Transformation Manager for Cement & Aggregates at LafargeHolcim (Russia) from August 2018 to March 2020, and multiple positions over 21 years at LafargeHolcim, culminating in the role of Global Head of Mines. Early career experience includes a Process Engineer position at Magotteaux. Stephane holds a Master of Science in Industry Engineering from Tecnun - Universidad de Navarra and a Master of Science in Foundry & Forge Engineering from Ecole Supérieure de Fonderie et de Forge.
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Amrize
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We are building North America. Amrize is North America’s leading building solutions company with trusted brands advancing construction from foundation to rooftop. As the partner of choice for builders across the US and Canada, we rise every day to build your ambition.