MP Materials Executive and Leadership Team

August, 2026

Leadership Overview

MP Materials has 4 executives leading key functions including strategy, technology, financial oversight, and operational coordination.

Focused on securing the rare earth supply chain, MP Materials advances critical mineral production to power global renewable energy, defense, and advanced manufacturing sectors through sustainable, high-tech refining processes.

Leadership Roles at MP Materials

  • Co-Founder, Chairman & Chief Executive Officer - James Latinsky
  • Chief Financial Officer - Ryan Corbett
  • Chief Technology Officer - Zachary Lehman
  • Chief of Staff - Spenser O'Connell
  • James Latinsky - Co-Founder, Chairman & Chief Executive Officer

    James Latinsky, the Co-Founder, Chairman & Chief Executive Officer at MP Materials, directs the overarching strategic vision for rare earth mineral production. Overseeing the integration of mining and refining operations across North America, the Chief Executive Officer ensures alignment with global industrial demands for high-tech components. This leadership role involves managing complex stakeholder relationships and driving long-term growth initiatives within the renewable energy and defense sectors. By prioritizing sustainable extraction methods, James Latinsky secures the competitive market position of the organization. The Chairman maintains rigorous oversight of corporate governance while fostering innovation in mineral processing. Through consistent focus on operational excellence, the Chief Executive Officer expands the reach of the company into international markets. Ultimately, Latinsky drives the mission to restore the domestic rare earth supply chain, ensuring stability for advanced manufacturing partners worldwide.

    Ryan Corbett - Chief Financial Officer

    Ryan Corbett, the Chief Financial Officer at MP Materials, manages the fiscal health and capital allocation strategies required for large-scale mineral operations. Overseeing financial planning, reporting, and investor relations, the Chief Financial Officer ensures the availability of resources for expanding refining capacity across North America and beyond. This leadership role involves analyzing market trends in rare earth elements to inform investment decisions in defense and renewable energy infrastructure. By optimizing the balance sheet, Ryan Corbett supports the long-term sustainability of the business model. The Chief Financial Officer coordinates with the Board to maintain transparency and drive shareholder value through disciplined capital management. Through rigorous financial oversight, Corbett secures the funding necessary for technological advancements and operational growth. Ultimately, the Chief Financial Officer provides the economic foundation that allows the company to maintain a significant presence in the global rare earth elements market.
    Ryan Corbett

    Zachary Lehman - Chief Technology Officer

    Zachary Lehman, the Chief Technology Officer at MP Materials, architects the technical roadmap for advanced rare earth refining and processing. Overseeing research and development initiatives, the Chief Technology Officer optimizes extraction efficiency to meet the rigorous standards of the electronics and renewable energy industries. This leadership role involves collaborating with engineering teams to implement cutting-edge separation technologies that enhance product purity. By driving innovation in mineral science, Zachary Lehman ensures the company remains at the forefront of the global rare earth market. The Chief Technology Officer manages the transition from raw material extraction to high-value magnet production, supporting the broader corporate goal of vertical integration. Through technical leadership, Lehman secures the scalability of operations across diverse geographic sites. Ultimately, the Chief Technology Officer delivers the proprietary processes necessary to maintain a significant presence in the competitive high-tech materials landscape.
    Zachary Lehman

    Spenser O'Connell - Chief of Staff

    Spenser O'Connell, the Chief of Staff at MP Materials, coordinates cross-functional initiatives to ensure operational alignment with the strategic goals of the executive team. Overseeing internal communications and project management, the Chief of Staff facilitates the execution of complex workflows across mining and refining sites. This leadership role involves bridging the gap between executive decision-making and daily operational activities to maximize efficiency in the rare earth supply chain. By streamlining organizational processes, Spenser O'Connell supports the rapid scaling of production capabilities required for high-tech and industrial applications. The Chief of Staff manages high-priority projects that span international operations, ensuring consistency in corporate standards. Through proactive coordination, O'Connell enables the leadership team to focus on core business objectives. Ultimately, the Chief of Staff drives the internal cohesion necessary for the company to maintain a significant presence in the global rare earth elements market.

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    Frequently Asked Questions Regarding MP Materials Top Executives and Leadership Team

    Who leads MP Materials?
    MP Materials is led by James Latinsky (Co-Founder, Chairman & Chief Executive Officer), along with executives such as Ryan Corbett (Chief Financial Officer) and Zachary Lehman (Chief Technology Officer).
    Who is part of MP Materials’s executive team?
    The executive team of MP Materials includes leaders such as James Latinsky (Co-Founder, Chairman & Chief Executive Officer), Ryan Corbett (Chief Financial Officer), Zachary Lehman (Chief Technology Officer) and other senior executives.
    How many executives does MP Materials have?
    MP Materials has 4 executives leading key business areas.
    What roles are included in MP Materials’s leadership team?
    The leadership team of MP Materials includes roles such as Co-Founder, Chairman & Chief Executive Officer, Chief Financial Officer, Chief Technology Officer, Chief of Staff.