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Equibles

Michael J. Hennigan

Chairman

Mplx LP (MPLX)

Personal wealth note: Equibles reports source-backed professional activity and disclosed compensation; it does not estimate personal net worth.

About Michael J. Hennigan

Michael J. Hennigan is recorded as Chairman at Mplx LP (MPLX). Mplx LP reported in an 8-K filed November 4, 2025 that Michael J. Hennigan retired as member of the board of directors of MPLX GP, effective January 1, 2026. Mplx LP reported in an 8-K filed November 4, 2025 that Michael J. Hennigan retired as Executive Chairman, effective January 1, 2026. Mplx LP reported in an 8-K filed May 13, 2024 that Michael J. Hennigan was appointed Executive Chairman, effective August 1, 2024.

“Ms. Mannen will succeed Michael J. Hennigan, who notified the Partnership on October 29, 2025 of his intention to retire as Executive Chairman and as a member of the board of directors of MPLX GP as of the Effective Date.”
Mplx LP Form 8-K, filed November 4, 2025 · Read the filing
“Ms. Mannen will succeed Michael J. Hennigan, who notified the Partnership on October 29, 2025 of his intention to retire as Executive Chairman and as a member of the board of directors of MPLX GP as of the Effective Date.”
Mplx LP Form 8-K, filed November 4, 2025 · Read the filing

Summary generated from SEC filings and earnings-call records held by Equibles.

Affiliation history

Recorded current and former roles; source labels appear when available.

Company network

Recorded roles and call appearances connecting this person to public companies.

Mplx LP

MPLX

Current role

Chairman

2024-08-01–present

Leadership on record at Mplx LP

Other people whose current roles at this company are on record from its filings.

Recent activity

Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.