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Amrize Appoints Mario Gross as President of Building Envelope

  • Amrize (NYSE: AMRZ) Board of Directors appointed Mario Gross as President of Building Envelope effective September 11, 2026.
  • Gross succeeds Jake Gosa, who is stepping down from the role to ensure a smooth transition.
  • Gross previously served as Chief Supply Chain Officer on Amrize's Executive Committee since the company's June 2025 NYSE listing.
  • From 2024 to 2025, Gross acted as Chief Operating Officer for the Building Envelope business, establishing it as a leader in roofing, weatherproofing, & insulation systems.
  • Prior to Amrize, Gross held various commercial & operational roles at Holcim & Sika.
  • CEO Jan Jenisch praised Gross for his operational expertise & track record of delivering results while thanking Gosa for his contributions.
  • Amrize operates over 1,000 sites with 19,000 teammates serving all U.S. states & Canadian provinces.
  • The company reported $11.8 billion in revenue for 2025 & is listed on both the NYSE & SIX Swiss Exchange.
  • The release includes a cautionary note regarding forward-looking statements & potential risks affecting future performance.