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Maryann T. Mannen

Chairman CEO

Executive changes

Appointed Chairman of the Board at Mplx LP (MPLX)
2026-01-01
Appointed President and Chief Executive Officer at Mplx LP (MPLX)
2024-08-01

Earnings-call appearances

Mplx LP Q2 FY2026 Earnings Call
Mplx LP (MPLX)

2026-08-04