William M. Lambert has served as Chairman of Kennametal's Board since November 1, 2023 and as a director since 2016; he is the retired President and CEO of MSA Safety Incorporated, a role he held from 2008 until May 2018, and remains a director of MSA. In July 2026 Mr. Lambert gave notice of his intention to retire from the Board, including the chairmanship, at the conclusion of the October 27, 2026 annual meeting.