Marathon Petroleum Executive and Leadership Team

Maryann Mannen, the Chairman, President & Chief Executive Officer at Marathon Petroleum, directs the overarching strategic vision for the largest refining system in the United States. Mannen oversees the integration of downstream and midstream assets to maximize shareholder value and operational efficiency. By aligning corporate goals with market demands, the Chairman, President & Chief Executive Officer ensures the organization maintains a competitive edge in the energy sector. This leadership role involves constant engagement with the Board to refine long-term growth initiatives and capital allocation strategies. Maryann Mannen directly influences the company's ability to navigate complex regulatory environments while expanding the reach of the Marathon brand. Through rigorous oversight of refining capacity and logistics infrastructure, the executive secures the company's position as a dominant force in the North American energy landscape.

Antinea Reyes, the Chief Financial Officer, LATAM at Marathon Petroleum, manages the fiscal health and capital deployment strategies for regional operations. Reyes oversees financial reporting, risk assessment, and budgetary compliance to ensure alignment with the company's broader downstream and midstream objectives. By analyzing market trends, the Chief Financial Officer, LATAM optimizes resource allocation to support the expansion of logistics infrastructure. This leadership position involves coordinating with global finance teams to maintain transparency and fiscal discipline across international borders. Antinea Reyes directly impacts the company's ability to capitalize on emerging energy opportunities while maintaining strict adherence to corporate governance standards. Through the implementation of robust financial controls, the executive secures the stability of regional assets and contributes to the overall profitability of the organization's integrated energy portfolio.

Maria Khoury, the Executive VP & Chief Financial Officer at Marathon Petroleum, directs the global financial strategy and capital structure for the entire enterprise. Khoury oversees investor relations, treasury functions, and corporate accounting to ensure the company maintains a strong balance sheet. By managing the financial aspects of the refining and midstream business units, the Executive VP & Chief Financial Officer supports the company's long-term investment in logistics and transportation infrastructure. This role involves frequent interaction with the Board to communicate financial performance and strategic growth targets. Maria Khoury directly influences the company's ability to fund large-scale projects and navigate volatile energy markets. Through the application of disciplined financial management, the executive ensures the organization remains well-positioned to deliver consistent value to shareholders across the United States.

Mohanad Zamara, the President at Marathon Petroleum, executes the operational strategy for specific business segments within the integrated energy portfolio. Zamara oversees the day-to-day management of refining assets and marketing systems to ensure peak performance and market responsiveness. By driving initiatives that improve throughput and product quality, the President supports the company's goal of maintaining the nation's largest refining system. This role requires close coordination with midstream partners to ensure the seamless flow of crude oil and light products through the logistics network. Mohanad Zamara directly influences the company's ability to meet retail demand across the United States. Through the implementation of lean operational practices, the executive enhances the efficiency of the company's downstream operations and strengthens the overall competitive position of the organization.

Donald Wehrly, the Vice President & Chief Information Officer at Marathon Petroleum, architects the digital infrastructure supporting the nation's largest refining system. Wehrly manages the cybersecurity frameworks and data analytics platforms necessary for optimizing midstream gathering and fractionation assets. By modernizing enterprise technology, the Vice President & Chief Information Officer drives operational efficiency across all retail and logistics networks. This role requires close collaboration with other C-suite leaders to implement scalable software solutions that enhance crude oil transportation reliability. Donald Wehrly ensures that digital transformation efforts align with the broader corporate mission of safety and performance. Through the deployment of advanced monitoring systems, the executive mitigates operational risks and supports data-driven decision-making processes that sustain the company's extensive North American market presence.

Molly Benson, the Chief Legal Officer & Corporate Secretary at Marathon Petroleum, manages the legal framework and governance standards for the entire corporation. Benson oversees regulatory compliance, litigation management, and corporate policy development to protect the company's interests in the downstream and midstream sectors. By providing legal counsel to the Board and executive leadership, the Chief Legal Officer & Corporate Secretary ensures that all business activities align with federal and state energy regulations. This role involves navigating complex legal landscapes related to refining operations and midstream logistics infrastructure. Molly Benson directly impacts the company's ability to operate securely and ethically within the United States market. Through the rigorous application of legal oversight, the executive mitigates corporate risk and supports the long-term sustainability of the company's integrated energy business model.

Peter Fass, the Corporate Medical Director at Marathon Petroleum, establishes the health and safety protocols governing the workforce across all refining and midstream facilities. Fass oversees occupational health programs and wellness initiatives designed to maintain a high-performance environment within the company's industrial sites. By integrating medical expertise into operational planning, the Corporate Medical Director ensures compliance with safety regulations and promotes a culture of well-being. This leadership role involves collaborating with human resources and operations teams to mitigate health-related risks in the refining process. Peter Fass directly impacts the company's operational continuity by safeguarding the health of personnel involved in crude oil and light product transportation. Through the development of comprehensive medical policies, the executive supports the company's commitment to maintaining a safe and efficient workplace across its national footprint.