---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-24-000002"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2024-01-09T23:59:59+00:00"
generated_at: "2026-06-07T01:27:21.198162+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Marathon Petroleum appoints Erin Brzezinski as VP and Controller, principal accounting officer

## Summary
- Effective Jan 8, 2024, Erin M. Brzezinski appointed VP & Controller, succeeding C. Kristopher Hagedorn.
- Hagedorn moved to MPLX GP LLC as EVP and CFO of MPLX LP, effective Jan 1, 2024.
- Brzezinski previously served as Assistant Controller, Technical Accounting since Aug 2021; prior: PwC and MPLX.
- She will receive base salary, participate in annual cash bonus and long-term incentive programs.
- No family relationships or arrangements with other persons in connection with appointment.

## SEC filing metadata
- accession: 0001510295-24-000002
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2024-01-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000002/0001510295-24-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000002/mpc-20240108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-24-000002
- JSON: https://secwatch.observer/filing/0001510295-24-000002.json
- Plain text: https://secwatch.observer/filing/0001510295-24-000002.txt

## Key facts
- Executive change
  C. Kristopher Hagedorn departed as Senior Vice President and Controller at Marathon Petroleum Corp.
  - Action: ceased to serve
  - Role: Senior Vice President and Controller
  source text: Ms. Brzezinski is succeeding C. Kristopher Hagedorn, who ceased to serve as Senior Vice President and Controller of the Company effective January 8, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000002/0001510295-24-000002-index.htm
- Executive change
  Erin M. Brzezinski was appointed as Vice President and Controller at Marathon Petroleum Corp.
  - Action: appointed
  - Role: Vice President and Controller
  source text: Effective January 8, 2024, Marathon Petroleum Corporation (the "Company") appointed Erin M. Brzezinski as Vice President and Controller.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029524000002/0001510295-24-000002-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.