Director

William M. Brown

Chairman of the Board and Chief Executive Officer·3M Co

About

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.

Since 2024
Age 63
Tenure 2 yrs

Also at 3M Co

DB David P. Bozeman Director TB Thomas "Tony" K. Brown Director AC Audrey Choi Director AC Anne H. Chow Director JF James R. Fitterling Lead Independent Director SK Suzan Kereere Director

Roles

Organization Role Dates Details
3M Co Chairman of the Board and Chief Executive Officer 2024–present Current role
3M Company Chief Executive Officer 2024-2025 Prior position before being named Chairman and CEO.
L3Harris Technologies Executive Chairman of the Board 2021-2022 Per 10-K executive officer table.
L3Harris Technologies Chairman of the Board and Chief Executive Officer 2019-2021 Guided the $34B merger of L3 Technologies and Harris Corporation.
Harris Corporation Chairman, President, and Chief Executive Officer 2011-2019 Joined Harris in November 2011 as president and CEO, prior to its merger with L3 Technologies in 2019.
United Technologies Corporation Senior leadership roles 1997-2011 Held a variety of leadership roles over 14 years.
McKinsey & Co. Consultant Spent seven years at McKinsey & Co. earlier in his career.

External roles

Organization Role Dates
Becton, Dickinson and Company Director
Celanese Corporation Director (within past five years)
L3Harris Technologies, Inc. Director (within past five years)
US-China Business Council Vice Chair

Related

Source: 3M Co SEC filings and official company website

Where the filing does not disclose a value, this page states "Not disclosed" rather than estimating. Smaller filers are exempt from disclosing metric targets and achievement, and larger filers may omit forward targets for competitive reasons.

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