Unit Corporation Executive and Leadership Team

May, 2026

Leadership Overview

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

Driven by a commitment to operational excellence, Unit Corporation engages in onshore contract drilling, oil and gas exploration and production, and natural gas gathering and transportation, impacting energy markets across the U.S.

Leadership Roles at Unit Corporation

  • Chief Executive Officer - Ivan Voskoboynik
  • CEO - Marina Youshenko
  • Chief Financial Officer - Thomas Sell
  • Chief Information Officer - Greg Johnson
  • Ivan Voskoboynik - Chief Executive Officer

    Ivan Voskoboynik, the Chief Executive Officer at Unit Corporation, directs the company's overall strategy and operational execution. Voskoboynik oversees the core business segments, including onshore contract drilling, oil and gas exploration and production, and natural gas gathering and transportation. This leadership role ensures alignment with market demands and drives growth initiatives across the company's operational footprint in Oklahoma, Texas, Louisiana, and Kansas. Voskoboynik's strategic vision guides the acquisition and development of oil and natural gas assets, as well as the optimization of natural gas processing and treatment operations. The Chief Executive Officer's responsibilities extend to fostering key relationships with stakeholders and ensuring the long-term financial health and market competitiveness of Unit Corporation. By championing innovation in drilling techniques and production methods, Ivan Voskoboynik positions the company for sustained success in the dynamic energy sector.

    Marina Youshenko - CEO

    Marina Youshenko, the CEO at Unit Corporation, spearheads the company's strategic direction and operational oversight. Youshenko manages the multifaceted energy services portfolio, encompassing onshore contract drilling, oil and gas exploration and production, and natural gas gathering and transportation. This executive function involves driving efficiency and profitability across all business units operating primarily in the U.S. Youshenko's leadership ensures the effective exploration, development, acquisition, and production of oil and natural gas reserves. Furthermore, the CEO oversees the critical processes of purchasing, selling, gathering, processing, and treating natural gas, ensuring seamless integration of these services. Marina Youshenko's focus remains on enhancing market presence and operational capabilities within key regions like Oklahoma, Texas, Louisiana, and Kansas, solidifying Unit Corporation's position in the energy industry.

    Thomas Sell - Chief Financial Officer

    Thomas Sell, the Chief Financial Officer at Unit Corporation, manages the company's financial strategy and fiscal operations. Sell oversees all aspects of financial planning, budgeting, and reporting, ensuring robust fiscal health across the organization. This critical role involves managing capital allocation for exploration and production activities, as well as for contract drilling services. Thomas Sell directs the company's financial dealings, including investment strategies for acquiring and developing oil and natural gas assets, and optimizing the financial performance of natural gas gathering, transportation, and processing operations. The Chief Financial Officer ensures compliance with all financial regulations and drives initiatives to enhance shareholder value. By providing strategic financial guidance, Sell supports the company's operational expansion and market penetration in key U.S. regions, maintaining Unit Corporation's stability and growth trajectory.
    Thomas Sell

    Greg Johnson - Chief Information Officer

    Greg Johnson, the 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 the diverse operations of contract drilling, oil and gas exploration and production, and natural gas gathering and transportation. This leadership position ensures the security, efficiency, and scalability of all technological resources across the company's U.S. operations. Greg Johnson drives innovation in data management and analytics to enhance decision-making in exploration, development, and production activities. The Chief Information Officer also focuses on optimizing IT solutions for natural gas processing and transportation logistics, ensuring seamless data flow and operational integration. Johnson's expertise is vital in leveraging technology to improve operational performance and maintain a competitive edge for Unit Corporation in 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 Ivan Voskoboynik (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 Ivan Voskoboynik (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, Chief Information Officer.