Unit Corporation Executive and Leadership Team

June, 2026

Leadership Overview

Unit Corporation has 4 executives leading key functions including strategy, finance, and information technology.

Driven by a commitment to operational excellence, Unit Corporation engages in onshore contract drilling, exploration, and production of oil and natural gas, alongside gathering and transportation services, impacting markets across Oklahoma, Texas, Louisiana, and Kansas.

Leadership Roles at Unit Corporation

  • Chief Executive Officer - Philip Frohlich
  • CEO - Marina Youshenko
  • Chief Financial Officer - Thomas Sell
  • Vice President, Information Technology & Chief Information Officer - Greg Johnson
  • Philip Frohlich - Chief Executive Officer

    Philip Frohlich, the Chief Executive Officer at Unit Corporation, directs the company's overall strategic vision and operational execution. Frohlich oversees the core business segments, including onshore contract drilling, oil and gas exploration and production, and natural gas gathering and transportation. This leadership role involves guiding the company's expansion and operational efficiency across key U.S. regions such as Oklahoma, Texas, Louisiana, and Kansas. The Chief Executive Officer ensures alignment with market demands and regulatory environments, driving the company's financial performance and long-term sustainability. By focusing on robust operational practices, Philip Frohlich champions the company's mission to deliver essential energy services. This executive's purview encompasses all facets of the business, from resource acquisition to market delivery, ensuring Unit Corporation maintains its competitive edge in the energy sector.
    Philip Frohlich

    Marina Youshenko - CEO

    Marina Youshenko, the CEO at Unit Corporation, spearheads the strategic direction and corporate governance. Youshenko's responsibilities include defining the company's long-term objectives and ensuring robust execution across all operational divisions. This involves fostering innovation in exploration and production techniques, optimizing contract drilling services, and enhancing the efficiency of natural gas gathering and transportation networks. The CEO's leadership is critical in navigating the dynamic energy market, particularly within the company's operational territories in Oklahoma, Texas, Louisiana, and Kansas. Marina Youshenko drives initiatives aimed at maximizing shareholder value and maintaining the company's commitment to responsible energy development. This executive's focus extends to cultivating strategic partnerships and ensuring operational excellence throughout the organization, solidifying Unit Corporation's market position.

    Thomas Sell - Chief Financial Officer

    Thomas Sell, the Chief Financial Officer at Unit Corporation, manages the company's financial health and strategic fiscal planning. Sell oversees all financial operations, including accounting, budgeting, forecasting, and capital allocation across the onshore contract drilling, exploration and production, and natural gas services segments. This executive's role is pivotal in securing funding, managing investor relations, and ensuring compliance with financial regulations across the company's U.S. operational footprint in Oklahoma, Texas, Louisiana, and Kansas. The Chief Financial Officer drives initiatives to optimize profitability, manage risk, and support sustainable growth. By providing critical financial insights, Thomas Sell enables informed decision-making for the executive team and the Board of Directors, reinforcing Unit Corporation's financial stability and strategic objectives.
    Thomas Sell

    Greg Johnson - Vice President, Information Technology & Chief Information Officer

    Greg Johnson, the Vice President, Information Technology & Chief Information Officer at Unit Corporation, directs the company's technology strategy and digital infrastructure. Johnson oversees the implementation and management of IT systems that support all business functions, including contract drilling operations, oil and gas exploration and production, and natural gas gathering and transportation. This leadership position is crucial for enhancing operational efficiency, data security, and technological innovation across Unit Corporation's U.S. operations in Oklahoma, Texas, Louisiana, and Kansas. The Chief Information Officer ensures that technology investments align with business objectives, driving digital transformation and supporting data-driven decision-making. Greg Johnson's purview includes managing IT resources, cybersecurity protocols, and developing scalable technology solutions to meet the evolving needs of the energy sector.

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    Frequently Asked Questions Regarding Unit Corporation Top Executives and Leadership Team

    Who leads Unit Corporation?
    Unit Corporation is led by Philip Frohlich (Chief Executive Officer), along with executives such as Marina Youshenko (CEO) and Thomas Sell (Chief Financial Officer).
    Who is part of Unit Corporation’s executive team?
    The executive team of Unit Corporation includes leaders such as Philip Frohlich (Chief Executive Officer), Marina Youshenko (CEO), Thomas Sell (Chief Financial Officer) and other senior executives.
    How many executives does Unit Corporation have?
    Unit Corporation has 4 executives leading key business areas.
    What roles are included in Unit Corporation’s leadership team?
    The leadership team of Unit Corporation includes roles such as Chief Executive Officer, CEO, Chief Financial Officer, Vice President, Information Technology & Chief Information Officer.