Brand Intelligence Graphcompany
Company Overview
About Marathon Petroleum
Marathon Petroleum Corporation is a Findlay, Ohio-based petroleum refining and midstream company — publicly traded on the New York Stock Exchange (NYSE: MPC) as an S&P 500 Energy component — operating the largest crude oil refining system in the United States with 13 refineries and approximately 3 million barrels per day of crude oil processing capacity across Texas, Louisiana, Illinois, Michigan, Ohio, North Dakota, California, and Washington, along with a majority ownership interest in MPLX LP (NYSE: MPLX), a midstream pipeline, terminal, and marine vessel MLP that gathers, processes, transports, and stores crude oil, natural gas, and petroleum products. In a defining leadership development, Marathon Petroleum's board elected CEO Maryann T. Mannen as Chairman of the Board effective January 1, 2026, succeeding Michael Hennigan who retired after leading the company through the Speedway divestiture and pandemic recovery — consolidating corporate governance leadership in Mannen following her tenure as CEO during which she managed the company's operations and capital allocation strategy. Marathon Petroleum's large-scale refining system (including the Galveston Bay refinery in Texas City as the largest US refinery at 631,000 barrels/day) processes crude oil into gasoline, diesel, jet fuel, and specialty products distributed through branded Speedway (sold to 7-Eleven in 2021) and independent dealer networks and MPLX's logistics infrastructure.
Business Model & Competitive Advantage
Marathon Petroleum's refining and midstream model creates value through the integration of large-scale crude oil processing with owned logistics infrastructure: the Galveston Bay refinery's access to Gulf Coast crude (both domestic Permian Basin crude and waterborne international crude) provides feedstock flexibility that landlocked refineries cannot match — when Midland crude (West Texas) trades at a discount to Brent or WTI benchmark, Galveston Bay can capture that feedstock advantage while refineries without Gulf Coast location or marine import capability cannot. MPLX's gathering, processing, fractionation, and terminal infrastructure (connecting Appalachian natural gas production to markets, transporting refined products from Gulf Coast refineries to Midwest distribution terminals) generates stable fee-based cash flow that dividends up to Marathon Petroleum through MPLX's quarterly distributions — providing cash flow resilience even when refining crack spreads compress in low-margin refining cycles.
Competitive Landscape 2025–2026
In 2025, Marathon Petroleum competes in US petroleum refining and fuel distribution against Valero Energy (NYSE: VLO, $150B revenue, largest US independent refiner), Phillips 66 (NYSE: PSX, $37B revenue, refining and midstream), and HF Sinclair (NYSE: DINO, $22B revenue, mid-continent refiner) for crude oil supply at competitive feedstock differentials, refined product distribution in competitive regional markets, and renewable fuel production capacity (Marathon's Martinez, California refinery is being converted to renewable diesel production). The renewable diesel conversion program (Marathon Renewable Fuels division, converting Martinez to 730M gallon/year renewable diesel and sustainable aviation fuel capacity) positions Marathon to capture California Low Carbon Fuel Standard credits and federal blenders tax credits for renewable diesel production. CEO Mannen's dual role as CEO and Chairman provides unified strategic direction for capital allocation decisions between refining maintenance and expansion, MPLX dropdown transactions, renewable fuel investments, and share repurchases. The 2025 strategy focuses on refinery optimization for maximum crude throughput efficiency, renewable fuel expansion at Martinez, MPLX cash flow growth through asset dropdown, and shareholder returns through dividends and buybacks.
The Marathon Petroleum Story
Founders
Recent Activity
View all →Company Timeline
Major milestones in Marathon Petroleum's journey
Leadership Team
Meet the leaders behind Marathon Petroleum
Maryann T. Mannen
Maryann T. Mannen has served as President and CEO of Marathon Petroleum since August 2024, and will become Chairman of the Board effective January 1, 2026. She previously served as Executive Vice President and CFO from January 2021 to January 2024, bringing deep financial and operational expertise to the company's leadership.
Michael J. Hennigan
Michael J. Hennigan serves as Executive Chairman of Marathon Petroleum and chairman of MPLX GP LLC. He previously served as CEO of both entities until August 2024. Hennigan will retire as executive chairman and as a board member effective January 1, 2026, after leading the company through significant growth and transformation.
Kristina A. Kazarian
Kristina A. Kazarian joined Marathon Petroleum in 2019 as manager of technical accounting for MPLX GP LLC, was named assistant controller for technical accounting in 2021, and assumed her current role as CFO in 2024. She brings expertise in financial reporting, technical accounting, and capital markets.
Brian Hessling
Brian Hessling serves as Chief Commercial Officer of Marathon Petroleum Corporation, overseeing the company's commercial strategies, marketing operations, and customer relationships across its downstream business segments.
Greg Partee
Greg Partee was named Chief Global Optimization Officer in 2024 and assumed his current position in 2025. He leads efforts to optimize Marathon Petroleum's integrated value chain, ensuring efficient operations across refining and midstream assets.
Ehren D. Powell
Ehren D. Powell serves as Senior Vice President and Chief Digital Officer, leading Marathon Petroleum's digital transformation initiatives, technology strategy, and innovation efforts to modernize operations and enhance competitive advantages.
Julian R. Stoll
Julian R. Stoll serves as Senior Vice President of Value Chain Optimization at Marathon Petroleum, responsible for maximizing efficiency and profitability across the company's integrated refining and logistics network.
Key Differentiators
Market Leader
Marathon Petroleum is recognized as a market leader in the Energy & Utilities sector, demonstrating strong industry presence and customer trust.
Frequently Asked Questions
Estimated Visibility Trend (Beta)
Simulated 8-week rolling score
Based on estimated brand signals. Historical tracking coming soon.
Similar Brands
ExxonMobil
ExxonMobil Corporation is a Spring, Texas-based integrated oil, gas, and energy company — publicly traded on the New York Stock Exchange (NYSE: XOM) as an S&P 500 Energy component and one of the world
Halliburton
Halliburton Company is a Houston, Texas-based oilfield services company — publicly traded on the New York Stock Exchange (NYSE: HAL) as an S&P 500 Energy component — providing products and services fo
DTE Energy
DTE Energy is Michigan's largest integrated energy company and a diversified energy holding company, founded in 1903 as Detroit Edison and headquartered in Detroit, Michigan, trading on NYSE (DTE). Th
NiSource
NiSource Inc. is a Merrillville, Indiana-based fully regulated utility company — publicly traded on the New York Stock Exchange (NYSE: NI) as an S&P 500 component — serving approximately 3.3 million n
PPL Corporation
PPL Corporation is an Allentown, Pennsylvania-based regulated electric utility holding company — publicly traded on the New York Stock Exchange (NYSE: PPL) as an S&P 500 Utilities component — deliveri
APA Corporation
APA Corporation is the holding company for Apache Corporation, a leading independent oil and gas exploration and production company, founded in 1954 and headquartered in Houston, Texas, trading on NYS
Compare Marathon Petroleum with Competitors
Side-by-side AI visibility scores, platform breakdown, and market position.
Claim This Profile
Are you from Marathon Petroleum? Claim your profile to see full AI mention excerpts, get weekly visibility change alerts, and optimize how AI systems describe your brand.
Claim Marathon Petroleum Profile →Track AI Visibility in Real Time
Monitor how ChatGPT, Gemini, Perplexity, and Claude mention Marathon Petroleum vs competitors. Get alerts when AI recommendations shift.
Start Free Tracking →