Leadership Overview
Unit Corporation has 4 executives leading key functions including strategy, operational management, financial oversight, and digital infrastructure.
Focused on energy sector excellence, Unit Corporation delivers comprehensive onshore drilling, exploration, and natural gas gathering services across the United States to maximize resource extraction efficiency.
Focused on energy sector excellence, Unit Corporation delivers comprehensive onshore drilling, exploration, and natural gas gathering services across the United States to maximize resource extraction efficiency.
Leadership Roles at Unit Corporation
Philip Frohlich - Chief Executive Officer
Philip Frohlich, the Chief Executive Officer at Unit Corporation, directs the overarching strategic vision for onshore drilling and energy production operations. By managing the exploration and production portfolio, the Chief Executive Officer ensures alignment with long-term growth targets across Oklahoma, Texas, Louisiana, and Kansas. Philip Frohlich maintains direct oversight of capital allocation, balancing the needs of the drilling division with the requirements of the natural gas gathering and transportation segments. This leadership role involves constant engagement with the Board to refine market positioning within the competitive U.S. energy landscape. Through rigorous operational discipline, the Chief Executive Officer optimizes asset performance and drives sustainable revenue generation. By prioritizing safety and technical precision, Frohlich secures the company's reputation as a reliable partner for oil and gas extraction, ultimately strengthening the firm's market presence and operational resilience in volatile commodity environments.

Marina Youshenko - CEO
Marina Youshenko, the CEO at Unit Corporation, manages the daily execution of corporate initiatives and organizational development. Overseeing the integration of exploration and production workflows, the CEO ensures that all business units operate with maximum efficiency. Marina Youshenko drives the expansion of natural gas processing capabilities, focusing on the acquisition and development of high-yield energy assets. This leadership role requires constant coordination with department heads to streamline the gathering and transportation of natural gas across regional markets. By fostering a culture of operational excellence, the CEO improves internal processes and enhances the company's ability to respond to shifting energy demands. Youshenko monitors performance metrics to ensure that all drilling activities meet strict regulatory and environmental standards. Through strategic decision-making, the CEO maintains the company's competitive edge, ensuring that all operational goals align with the broader mission of providing reliable energy solutions throughout the United States.
Tom Sell - Chief Financial Officer
Tom Sell, the Chief Financial Officer at Unit Corporation, manages the financial health and fiscal strategy of the organization. Overseeing capital budgeting, financial reporting, and risk management, the Chief Financial Officer ensures that all exploration and production investments yield optimal returns. Tom Sell directs the financial planning for the company's drilling operations and natural gas gathering infrastructure, providing the necessary liquidity to support regional expansion. This leadership role involves close collaboration with the executive team to evaluate acquisition opportunities and manage debt obligations effectively. By implementing robust financial controls, the Chief Financial Officer protects the company's assets and ensures transparency for stakeholders. Sell monitors market trends to adjust fiscal policies, maintaining stability during fluctuations in oil and gas prices. Through precise financial analysis, the Chief Financial Officer supports the company's long-term growth objectives, ensuring that all business activities remain profitable and sustainable within the complex U.S. energy sector.

Greg Johnson - Vice President, Information Technology & Chief Information Officer
Greg Johnson, the Vice President, Information Technology & Chief Information Officer at Unit Corporation, architects the digital infrastructure required to support onshore drilling and energy production. Overseeing the implementation of advanced data analytics and cybersecurity protocols, the Chief Information Officer ensures that all operational systems remain secure and efficient. Greg Johnson directs the integration of technology across the company's gathering and transportation networks, enabling real-time monitoring of natural gas processing activities. This leadership role involves collaborating with other executives to leverage digital tools for improved decision-making and operational transparency. By modernizing the IT landscape, the Chief Information Officer drives productivity gains and supports the company's ability to manage complex energy assets across multiple states. Johnson maintains a focus on scalable technology solutions that adapt to the evolving needs of the energy industry. Through strategic digital transformation, the Chief Information Officer secures the company's technological advantage, ensuring robust connectivity and data integrity throughout all regional operations.
Explore Leadership Teams in Energy, Utilities & Waste
Chevron Corporation, through its subsidiaries, engages in the integrated energy and chemicals operations in the United States and internationally. The company operates in two segments, Upstream and Downstream. The Upstream segment is involved in the exploration, development, production, and transportation of crude oil and natural gas; processing, liquefaction, transportation, and regasification of liquefied natural gas; transportation of crude oil through pipelines; transportation, storage, and marketing of natural gas; and carbon capture and storage, as well as a gas-to-liquids plant. The Downstream segment refines crude oil into petroleum products; markets crude oil, refined products, and lubricants; manufactures and markets renewable fuels, commodity petrochemicals, plastics for industrial uses, and fuel and lubricant additives; and transports crude oil and refined products by pipeline, marine vessel, motor equipment, and rail car. The company was formerly known as ChevronTexaco Corporation and changed its name to Chevron Corporation in 2005. Chevron Corporation was founded in 1879 and is headquartered in San Ramon, California.
Company Leadership IH

PP
GS
Bapco Energies is an integrated energy company leading the energy transition in the Kingdom of Bahrain, operating a comprehensive portfolio that spans the entire energy value chain. The company manages several subsidiaries, including Bapco Refining, Bapco Upstream, and Bapco Gas, focusing on oil and gas exploration, refining, and distribution. Bapco Energies aims to power the next generation through sustainable practices and innovative partnerships, contributing to economic growth in Bahrain. With over 90 years of experience, Bapco Energies is committed to evolving the energy sector while ensuring a secure and sustainable energy future.
Company Leadership AZ
AA
AJ
Founded in 1954 Santos Limited is an onshore oil and gas producer headquartered in Queensland, Australia.
Company Leadership KG
RA
VS
PMI Energy Services is a leading provider in the energy services sector, specializing in a comprehensive range of cleaning, environmental, and oilfield service solutions. With over 20 years of experience, they focus on drilling cleaning, environmental services, production maintenance, and solids management, primarily serving clients in the Gulf of Mexico and Lower Mid-Continent Basins. Their innovative technology aims to minimize waste and reduce downtime for marine fleets and drilling rigs. PMI's corporate headquarters is located in Morgan City, Louisiana, where they also offer shorebase services.
Company Leadership

MW
MP