3M

MMM

IndustrialsNYQ$78.0B

MMM SEC filings last scanned 22 Aug 2026, 16:43 UTC

CEO Timeline

William M. BrownCurrent

May 2024 — Present(2y 4mo)

William M. Brown was appointed CEO of 3M Company, effective May 1, 2024, succeeding Michael F. Roman.

1 source filing — click to expand

Michael F. Roman

Jul 2018 — May 2024(5y 10mo)

Michael F. Roman was appointed Chief Executive Officer of 3M Company, effective July 1, 2018, succeeding Inge G. Thulin.

transitioned to executive chairman role

4 source filings — click to expand

Inge G. Thulin

Feb 2012 — Jul 2018(6y 5mo)

Inge G. Thulin was appointed President and Chief Executive Officer of 3M Company effective February 24, 2012, succeeding George W. Buckley.

transition to executive chairman

3 source filings — click to expand

George W. Buckley

Dec 2005 — Feb 2012(6y 2mo)

George W. Buckley was appointed Chief Executive Officer and President of 3M, effective December 6, 2005, succeeding interim CEO Robert S. Morrison.

stepped down from CEO role to become executive Chairman; full retirement from company June 1, 2012

3 source filings — click to expand

Robert S. MorrisonInterim

Jun 2005 — Dec 2005(6mo)

Robert S. Morrison was named interim Chairman and Chief Executive Officer of 3M Company, effective immediately on June 30, 2005.

end of interim CEO term

3 source filings — click to expand

W. James McNerney, Jr.

Since at least Mar 2005 — Jun 2005(3mo)

resignation

2 source filings — click to expand