Marathon Petroleum Executive and Leadership Team

Maryann Mannen, the Chairman, President & Chief Executive Officer at Marathon Petroleum, directs the overarching strategic vision for the nation's largest refining system. Overseeing the integration of downstream and midstream assets, Mannen ensures operational efficiency across all refining and logistics infrastructure. This leadership role involves constant collaboration with the Board to align corporate objectives with long-term energy market demands. By prioritizing safety and capital discipline, the Chairman, President & Chief Executive Officer maintains the competitive edge of the organization within the complex energy sector. Maryann Mannen actively monitors North American market trends to optimize refining capacity and product distribution. Through rigorous oversight of the entire corporate portfolio, the executive secures the financial health and operational integrity of the company. This commitment to excellence drives the organization toward sustained performance in a volatile global energy environment.

Antinea Reyes, the Chief Financial Officer, LATAM at Marathon Petroleum, manages the fiscal health and capital allocation strategies for regional operations. Overseeing financial reporting and risk management, the Chief Financial Officer, LATAM ensures strict adherence to regulatory standards while supporting the broader downstream energy objectives. This role involves analyzing market volatility to protect the company's investment in midstream assets and refining infrastructure. By optimizing cash flow and capital expenditure, Antinea Reyes directly influences the profitability of regional initiatives. The Chief Financial Officer, LATAM coordinates with global finance teams to maintain transparency and fiscal discipline across all international ventures. Through precise financial modeling and strategic planning, the executive supports the expansion of logistics networks. This focus on financial stability allows the company to navigate complex market conditions effectively while maintaining a robust balance sheet for future growth opportunities.

Mohanad Zamara, the President at Marathon Petroleum, manages the day-to-day operational execution of the company's extensive refining and midstream assets. Overseeing production workflows and facility performance, the President ensures that the organization meets its output targets while maintaining the highest safety standards. This role involves coordinating with regional managers to streamline the movement of crude oil and light products through the company's logistics infrastructure. By driving operational excellence, Zamara supports the overall mission of maintaining the nation's largest refining system. The President works closely with the executive team to translate strategic goals into actionable production plans. Mohanad Zamara monitors facility health and maintenance schedules to prevent downtime and maximize throughput. Through consistent focus on process improvement and resource management, the executive ensures that the company remains a leader in the downstream energy sector, delivering reliable energy products to markets across the United States.

Alvin Lu, the President, Asian Employee Network at Marathon Petroleum, fosters an inclusive corporate culture that supports the diverse workforce powering the nation's largest refining system. Overseeing professional development programs and community engagement initiatives, the President, Asian Employee Network ensures that internal talent remains aligned with the company's core values of innovation and safety. This role involves bridging communication between employee groups and executive leadership to enhance organizational cohesion. By promoting diversity and inclusion, Lu strengthens the company's ability to attract and retain top talent in the competitive energy industry. The President, Asian Employee Network collaborates with human resources to implement mentorship and leadership training that prepares staff for future challenges. Alvin Lu drives initiatives that celebrate cultural contributions while focusing on professional growth. Through these efforts, the executive contributes to a resilient and motivated workforce capable of supporting the company's complex downstream and midstream operations.

Donald Wehrly, the Vice President & Chief Information Officer at Marathon Petroleum, architects the digital infrastructure supporting the nation's largest refining system. Overseeing cybersecurity, data analytics, and enterprise software, the Vice President & Chief Information Officer ensures the seamless integration of technology across all midstream and downstream assets. This role involves modernizing operational systems to improve efficiency in crude oil transportation and product logistics. By implementing advanced digital solutions, Wehrly enhances the reliability of the company's vast refining network. The Vice President & Chief Information Officer collaborates with other C-suite leaders to align technological investments with corporate growth targets. Donald Wehrly drives innovation by leveraging data to optimize supply chain performance and refinery output. Through the deployment of secure, scalable IT frameworks, the executive protects critical energy infrastructure from emerging digital threats while fostering a culture of continuous technological improvement.

Molly Benson, the Chief Legal Officer & Corporate Secretary at Marathon Petroleum, directs the legal strategy and governance framework for the nation's largest refining system. Overseeing regulatory compliance, litigation, and corporate governance, the Chief Legal Officer & Corporate Secretary ensures that all midstream and downstream activities adhere to federal and state energy laws. This role involves advising the Board on fiduciary responsibilities and managing the legal risks associated with large-scale infrastructure projects. By providing expert counsel, Benson protects the company's interests during complex contract negotiations and environmental assessments. The Chief Legal Officer & Corporate Secretary coordinates with external counsel and internal departments to maintain the highest standards of corporate integrity. Molly Benson manages the documentation of board proceedings and ensures transparency in all corporate actions. Through rigorous legal oversight, the executive supports the company's ability to operate safely and efficiently within the highly regulated energy sector.

Peter Fass, the Corporate Medical Director at Marathon Petroleum, manages the health and wellness protocols for the workforce operating the nation's largest refining system. Overseeing occupational health programs and emergency response planning, the Corporate Medical Director ensures that all employees working in refining and midstream facilities maintain peak physical readiness. This role involves developing safety standards that mitigate health risks associated with industrial energy production. By integrating medical expertise into operational planning, Fass protects the human capital essential to the company's success. The Corporate Medical Director collaborates with safety teams to implement preventative measures and health monitoring across all regional sites. Peter Fass provides guidance on pandemic response and workplace safety, ensuring that the company remains resilient against health-related disruptions. Through the application of clinical knowledge to industrial environments, the executive supports a safe, productive, and healthy workplace culture that aligns with the company's commitment to operational excellence.