William D. Sullivan
Personal wealth note: Equibles reports source-backed professional activity and disclosed compensation; it does not estimate personal net worth.
About William D. Sullivan
William D. Sullivan was last confirmed as Chairman at Tetra Technologies Inc (TTI) in a filing dated April 13, 2021. Earlier roles on record: Chairman and Board Member at Tetra Technologies Inc (TTI) until March 26, 2021. SM Energy Co reported in an 8-K filed January 26, 2026 that William D. Sullivan resigned as director.
“On January 20, 2026, each of Carla J. Bailo, Anita M. Powers, William D. Sullivan and Herbert S. Vogel delivered a letter effectuating his or her resignation as a director of the Company, contingent upon the closing of the First Merger, and effective as of the closing of the First Merger they will each cease being a director of Company.”
Summary generated from SEC filings and earnings-call records held by Equibles.
Affiliation history
Recorded current and former roles; source labels appear when available.
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2021-05-26–2021-03-26
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Start not stated–2021-04-13
Last confirmed by a filing; no departure on record
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Start not stated–2021-03-26
Company network
Recorded roles and call appearances connecting this person to public companies.
Recent activity
Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.