CHICAGO & ZUG, Switzerland–(BUSINESS WIRE)–The Amrize (NYSE: AMRZ) Board of Directors has appointed Mario Gross as President, Building Envelope, effective September 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 NYSE in June 2025. He previously served as Chief Operating Officer of the Building Envelope bus