People on the Move
Amrize Names Mario Gross President of Building Envelope
Gross succeeds Jake Gosa, who is stepping down from the role and is committed to a smooth transition
The Amrize Board of Directors has appointed Mario Gross as president, Building Envelope, effective Sept. 11, 2026. Gross succeeds Jake Gosa, who is stepping down from the role and is committed to a smooth transition.
Gross has been a member of Amrize’s Executive Committee as its Chief Supply Chain Officer since the company’s listing on the New York Stock Exchange in June 2025. He previously served as Chief Operating Officer of the Building Envelope business from 2024 to 2025, where he led operations to establish the segment as a leading provider of commercial and residential roofing, weatherproofing and insulation systems. Prior, Gross served in various commercial and operational roles of increasing responsibility at Holcim and Sika.
“Mario is an exceptional leader with deep operational expertise, understanding of our Building Envelope business and a track record of delivering results," said Jan Jenisch, chairman and CEO.
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