# clm_1F49E900CC4E

subject: Marathon Petroleum (/record/marathon-petroleum.md)  
predicate: ceo  
value: Maryann T. Mannen  
valid_from: 2024-08-01  
valid_to: null  
published: 2026-03-16  
recorded: 2026-11-08  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-08  
cite: AsOf. "Marathon Petroleum ceo: Maryann T. Mannen", as of 2024-08-01. Claim clm_1F49E900CC4E, https://asof.is/claim/clm_1F49E900CC4E, accessed 2026-11-09. Source: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000023/mpc-20260316.htm.  
checked: 2026-11-08 · its source page states the value and the date  

> Maryann T. Mannen Chairman since January 2026 President and CEO and Director of MPC since August 2024

What https://www.sec.gov/Archives/edgar/data/1510295/000151029526000023/mpc-20260316.htm says, word for word.

## Sources

- https://www.sec.gov/Archives/edgar/data/1510295/000151029526000023/mpc-20260316.htm (primary, SEC EDGAR DEF 14A, published 2026-03-16)

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