Williams Companies, Inc.

WMB

EnergyNYQ$90.2B

WMB SEC filings last scanned 13 May 2026, 22:45 UTC

CEO Timeline

Chad J. ZamarinCurrent

Jul 2025 — Present(10mo)

Chad J. Zamarin was appointed President and Chief Executive Officer of The Williams Companies, Inc., effective July 1, 2025, succeeding Alan S. Armstrong.

2 source filings — click to expand

Alan S. Armstrong

Jan 2011 — Jul 2025(14y 6mo)

Alan S. Armstrong was appointed President and Chief Executive Officer of Williams Companies, succeeding Steven J. Malcolm, effective January 3, 2011.

transition to Executive Chairman of the Board

5 source filings — click to expand

Steven J. Malcolm

Jan 2002 — Jan 2011(9y)

planned retirement

3 source filings — click to expand