William M. Brown serves as Chairman of the Board (since 2025) and Chief Executive Officer (since 2024) of 3M Company. He is the architect of 3M's eXcellence operating model and 'Journey to Zero' safety initiative, advancing the company's innovation-driven growth strategy.
Before joining 3M, Mr. Brown was Chair and CEO of L3Harris Technologies (2019-2022), where he guided the successful $34B merger of L3 Technologies and Harris Corporation, creating one of the world's largest aerospace and defense technology companies with 50,000 employees and $17B in annual revenue. He previously served as President and CEO of Harris Corporation (2011-2019) and in senior leadership roles at United Technologies Corporation (1997-2011).
Mr. Brown holds a B.S. and M.S. in mechanical engineering from Villanova University and an MBA from The Wharton School of the University of Pennsylvania.