MPLX Executive and Leadership Team

May, 2026

Leadership Overview

MPLX has 4 executives leading key functions including strategy, operations, finance, and logistics.

Driven by essential logistics and transportation services, MPLX supports the movement, processing, storage, and distribution of hydrocarbons across the value chain, impacting the broader energy network.

Leadership Roles at MPLX

  • Principal Chief Executive Officer - Rafael Garcia
  • Executive Vice President & Chief Financial Officer - Kris Hagedorn
  • Executive Vice President & Chief Operating Officer - Gregory Floerke
  • Senior Vice President and Chief Operating Officer - John Mollenkopf
  • Rafael Garcia - Principal Chief Executive Officer

    Rafael Garcia, the Principal Chief Executive Officer at MPLX, directs the overarching strategy and operational framework for the midstream energy infrastructure company. Garcia's leadership guides MPLX's critical role in supporting the hydrocarbon value chain, ensuring the efficient movement, processing, storage, and distribution of natural gas, natural gas liquids, crude oil, and refined products. This executive function involves aligning the company's two primary segments—crude oil and refined product logistics, and natural gas and natural gas liquids services—to achieve unified operational excellence and market responsiveness. Garcia's strategic vision shapes the company's engagement with the broader energy network, focusing on robust infrastructure development and service delivery across the United States. The Principal Chief Executive Officer's responsibilities extend to fostering innovation and ensuring the long-term viability and growth of MPLX's extensive logistics operations.

    Kris Hagedorn - Executive Vice President & Chief Financial Officer

    Kris Hagedorn, the Executive Vice President & Chief Financial Officer at MPLX, directs all financial strategies and fiscal management for the midstream energy infrastructure company. Hagedorn's responsibilities include overseeing financial planning, capital allocation, investor relations, and risk management, ensuring the financial health and stability of MPLX's operations. This executive function is crucial for supporting the company's extensive logistics and transportation services across the hydrocarbon value chain, including the movement, processing, storage, and distribution of natural gas, natural gas liquids, crude oil, and refined products. Kris Hagedorn plays a pivotal role in securing the necessary capital for infrastructure development and operational expansion, aligning financial objectives with the company's strategic growth initiatives. The Executive Vice President & Chief Financial Officer's guidance is essential for maintaining investor confidence and driving sustainable financial performance.
    Kris Hagedorn

    Gregory Floerke - Executive Vice President & Chief Operating Officer

    Gregory Floerke, the Executive Vice President & Chief Operating Officer at MPLX, oversees the day-to-day operational execution across the company's extensive midstream energy infrastructure. Floerke's purview encompasses the critical logistics and transportation services essential for the hydrocarbon value chain, ensuring the seamless movement, processing, storage, and distribution of vital energy commodities. This leadership role involves managing the operational intricacies of both the crude oil and refined product logistics segment and the natural gas and natural gas liquids services segment. Gregory Floerke drives operational efficiency and safety standards, directly impacting the company's ability to serve its customers and maintain its position within the energy network. The Executive Vice President & Chief Operating Officer's focus remains on optimizing asset utilization and expanding service capabilities to meet evolving market demands across the United States.
    Gregory Floerke

    John Mollenkopf - Senior Vice President and Chief Operating Officer

    John Mollenkopf, the Senior Vice President and Chief Operating Officer at MPLX, contributes significantly to the operational oversight and execution of the company's midstream energy infrastructure. Mollenkopf's role supports the critical logistics and transportation services that facilitate the movement, processing, storage, and distribution of hydrocarbons across the value chain. This leadership position involves managing key operational aspects within the company's segments, focusing on efficiency and reliability in the delivery of natural gas, natural gas liquids, crude oil, and refined products. John Mollenkopf works in tandem with other senior leaders to ensure operational excellence and adherence to stringent safety and environmental standards. The Senior Vice President and Chief Operating Officer's efforts are directed towards optimizing asset performance and supporting the company's strategic objectives within the broader energy network.

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    Frequently Asked Questions Regarding MPLX Top Executives and Leadership Team

    Who leads MPLX?
    MPLX is led by Rafael Garcia (Principal Chief Executive Officer), along with executives such as Kris Hagedorn (Executive Vice President & Chief Financial Officer) and Gregory Floerke (Executive Vice President & Chief Operating Officer).
    Who is part of MPLX’s executive team?
    The executive team of MPLX includes leaders such as Rafael Garcia (Principal Chief Executive Officer), Kris Hagedorn (Executive Vice President & Chief Financial Officer), Gregory Floerke (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does MPLX have?
    MPLX has 4 executives leading key business areas.
    What roles are included in MPLX’s leadership team?
    The leadership team of MPLX includes roles such as Principal Chief Executive Officer, Executive Vice President & Chief Financial Officer, Executive Vice President & Chief Operating Officer, Senior Vice President and Chief Operating Officer.