Nashville, TN – Holcim Building Envelope has announced the promotion of Kristin Beck to President of its Americas Commercial Roofing Systems & Lining business unit, which encompasses the Elevate and GenFlex lines of roofing systems. Beck will provide leadership for the business unit, including responsibility for marketing, sales, operations and technology, as well as continuing to lead supply chain, customer service and planning. Beck assumes the role directly from Jamie Gentoso, who held the position since the formation of Holcim Building Envelope in June 2022.