AsOf

Marathon Petroleum · Board memberMaryann T. Mannen

valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.asserted

What the statuses mean

Valid from
2024-08-01
Valid until
still holds
Published
2024-05-13
Recorded by AsOf
2026-11-12
Checked
2026-11-12 · its source page states the value and the date
Confidence
0.95

Sources

“today announced its leadership transition plan, with all positions effective August 1, 2024. At that time, MPC President Maryann T. Mannen will succeed Michael J. Hennigan as Chief Executive Officer and will join the Board of Directors;”— what the page says, read 2026-11-12

Cite this claim

Each form names the value, its as-of date (2024-08-01), the day you read it (2026-11-13), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "Marathon Petroleum board member: Maryann T. Mannen", as of 2024-08-01. Claim clm_9FC90B21982B, https://asof.is/claim/clm_9FC90B21982B, accessed 2026-11-13. Source: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000052/0001510295-24-000052-index.htm.
APA
AsOf. (2024). Marathon Petroleum board member: Maryann T. Mannen (as of 2024-08-01) [Record clm_9FC90B21982B]. Retrieved November 13, 2026, from https://asof.is/claim/clm_9FC90B21982B (source: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000052/0001510295-24-000052-index.htm)
BibTeX
@misc{asof_clm_9FC90B21982B,
  author = {AsOf},
  title = {Marathon Petroleum board member: Maryann T. Mannen},
  year = {2024},
  howpublished = {\url{https://asof.is/claim/clm_9FC90B21982B}},
  note = {Claim clm\_9FC90B21982B, as of 2024-08-01; source: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000052/0001510295-24-000052-index.htm},
  urldate = {2026-11-13}
}

On the record

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