Illinois-Based Amrize Appoints Mario Gross as President

He succeeds Jake Gosa who is stepping down from the role and will support a smooth transition.

Gross has served on Amrizes Executive Committee as Chief Supply Chain Officer since the company was listed on the NYSE in June 2025.

Before that he was Chief Operating Officer of Amrizes Building Envelope business from 2024 to 2025, where he led operations across roofing, weatherproofing and insulation systems for commercial and residential customers.

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Earlier in his career, Gross held various commercial and operational roles at Holcim and Sika, taking on increasing responsibilities over the years.

Jan Jenisch, Chairman and CEO: “Mario is an exceptional leader with deep operational expertise, understanding of our Building Envelope business and a track record of delivering results. I am excited to welcome Mario as President of Building Envelope and look forward to working with him in his new role as we continue to deliver for our customers, drive operational performance and deliver long term, profitable growth.

About Amrize

Amrize is a leading building solutions company serving professional builders across North America. It provides branded products and solutions covering everything from foundations to rooftops. With more than 1,000 locations and a strong distribution network Amrize serves customers across the US, and Canada. Its 19,000 employees support a wide range of construction needs including infrastructure, commercial, and residential projects, as well as new construction, repairs and renovations.

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