Leadership Transition - Armstrong World Industries, Inc. announced that President and CFO Vic Grizzle will transition to Executive Chair, with Mark Hershey succeeding him as CEO and President effective April 1, 2026 [1][2] - The transition is part of a long-term succession planning process, demonstrating the company's commitment to talent development [2] Company Performance - Under Vic Grizzle's leadership, Armstrong transformed into a focused building products company, nearly quadrupling its market capitalization since separating from its flooring business in 2016 [2] - The company reported $1.4 billion in revenue for 2024 and has approximately 3,800 employees across 22 manufacturing facilities [5] Mark Hershey's Background - Mark Hershey has been with Armstrong since 2011, serving in various roles including Chief Operating Officer and Senior Vice President, Americas [3] - He has played a pivotal role in the company's strategic initiatives, including leading all 14 acquisitions that have built the Architectural Specialties segment [3]