Mark Hershey
Chief Executive Officer @ Armstrong World Industries
About
Armstrong has been building for generations. Our legacy stands on the strength of our people, our culture of innovation and our customer-first mindset. “Let the Buyer Have Faith” is a guiding principle and a promise to our customers. I’m proud to continue that tradition while helping to author the next chapter of the Armstrong story. As chief executive officer, I am focused on advancing Armstrong’s vision and long-term strategy by building on the strong foundation that has defined our success for generations, while fostering a culture of teamwork, integrity, and shared sense of purpose. As a cohesive and talented team, we are responding to market needs, driving innovation, strengthening our market leadership and delivering value for our customers, shareholders and communities. Our work spans the built environment, where we support architects, designers, contractors and building owners in creating inspiring spaces where people live, work, learn, heal and play. Through a continued focus on innovation, operational excellence and sustainability, we are developing solutions that meet today’s needs while anticipating the demands of the future.
United States
Lancaster
Building Materials
Law, Business Development, Sustainability, Compliance, New Business Development, Mergers & Acquisitions (M&A)
Experience

Chief Operating Officer
Lancaster, PA
As the COO of Armstrong World Industries, I lead strategy and operations for our Mineral Fiber and Architectural Specialties businesses, along with enterprise-level business development, strategic planning, and innovation. Key areas of focus: • Lead revenue and earnings growth through strategic execution • Drive operational productivity and enterprise efficiency • Advance building science and product innovation (e.g., Templok™ Energy Saving Ceilings) • Support cross-functional collaboration and customer experience improvements • Oversee inorganic growth and acquisition integration • Strengthen our execution culture and team empowerment This role builds on my previous leadership as SVP, Americas, and reflects Armstrong’s commitment to investing in the people, processes, and partnerships that fuel long-term growth.
Mark Hershey's Contact Information
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