Oxy Executive and Leadership Team

August, 2026

Leadership Overview

Oxy has 10 executives leading key functions including revenue generation, deepwater operations, operational efficiency, financial management, and information technology.

Focused on sustainable energy production and chemical manufacturing, Oxy drives global market impact through advanced exploration, carbon management, and integrated midstream logistics across diverse international regions.

Leadership Roles at Oxy

  • Senior VP & Chief Financial Officer - Sunil Mathew
  • Senior VP & Chief Operating Officer - Richard Jackson
  • Basin Business Unit, Permian Resources President & General Manager (Midland) - Thaimar Ramirez
  • President & General Manager (Oman) - Steven Lauver
  • President & General Manager, Rockies - Jason Sevin
  • President and General Manager Permian EOR - Barbara Bergersen
  • Chief Revenue Officer - Brandon Derks
  • Chief Revenue Officer, Deepwater Operations - Adam Deshotel
  • Vice President & Chief Information Officer - Yanni Charalambous
  • Senior VP & Chief Legal Officer - Sylvia Kerrigan
  • Sunil Mathew - Senior VP & Chief Financial Officer

    Sunil Mathew, the Senior VP & Chief Financial Officer at Oxy, manages the capital allocation and financial reporting for the entire organization. Overseeing the fiscal health of the Oil and Gas, Chemical, and Midstream segments, the Senior VP & Chief Financial Officer ensures that investment strategies align with long-term growth objectives. This leadership role involves monitoring cash flow, debt management, and shareholder returns. By providing financial oversight for major capital projects, Sunil Mathew directly impacts the company's ability to fund exploration and infrastructure development. Ultimately, the Senior VP & Chief Financial Officer secures the financial foundation necessary for sustained market leadership. The Senior VP & Chief Financial Officer works closely with the Board to communicate financial performance and strategic direction to investors. Through rigorous financial planning and risk assessment, the Senior VP & Chief Financial Officer maintains a robust balance sheet, enabling the company to navigate market volatility and pursue strategic acquisitions effectively.
    Sunil Mathew

    Richard Jackson - Senior VP & Chief Operating Officer

    Richard Jackson, the Senior VP & Chief Operating Officer at Oxy, directs all exploration and production activities across the United States and international territories. Overseeing the operational integrity of oil and gas properties, the Senior VP & Chief Operating Officer ensures that extraction processes remain safe and efficient. This leadership role involves managing the complex infrastructure required for gathering, processing, and transporting natural gas and NGLs. By optimizing field operations, Richard Jackson directly impacts the company's production capacity and cost-efficiency. Ultimately, the Senior VP & Chief Operating Officer secures operational excellence by integrating advanced technology into daily workflows. The Senior VP & Chief Operating Officer collaborates with regional managers to align field activities with corporate sustainability goals. Through meticulous oversight of the entire production lifecycle, the Senior VP & Chief Operating Officer maintains high standards of performance, ensuring that all assets operate at peak capacity while adhering to strict environmental and safety regulations.
    Richard Jackson

    Thaimar Ramirez - Basin Business Unit, Permian Resources President & General Manager (Midland)

    Thaimar Ramirez, the Basin Business Unit, Permian Resources President & General Manager (Midland) at Oxy, directs all exploration and production activities within the Permian Basin. Overseeing regional operations, the Basin Business Unit, Permian Resources President & General Manager (Midland) ensures that extraction targets are met through efficient resource management. This leadership role involves coordinating field teams to optimize the production of oil and natural gas in this critical region. By focusing on operational excellence in the Permian, Thaimar Ramirez directly impacts the company's total output and regional profitability. Ultimately, the Basin Business Unit, Permian Resources President & General Manager (Midland) secures the company's position as a leader in domestic energy production. The Basin Business Unit, Permian Resources President & General Manager (Midland) collaborates with technical experts to implement innovative drilling techniques. Through rigorous oversight of regional assets, the Basin Business Unit, Permian Resources President & General Manager (Midland) drives performance and ensures that Permian operations contribute significantly to the corporate mission.

    Steven Lauver - President & General Manager (Oman)

    Steven Lauver, the President & General Manager (Oman) at Oxy, directs all exploration and production activities within the Middle Eastern region. Overseeing regional operations, the President & General Manager (Oman) ensures that extraction targets are met through efficient resource management in this key international market. This leadership role involves coordinating field teams to optimize the production of oil and natural gas in Oman. By focusing on operational excellence in the Middle East, Steven Lauver directly impacts the company's total output and international profitability. Ultimately, the President & General Manager (Oman) secures the company's position as a leader in global energy production. The President & General Manager (Oman) collaborates with local partners and technical experts to implement innovative drilling techniques. Through rigorous oversight of regional assets, the President & General Manager (Oman) drives performance and ensures that Middle Eastern operations contribute significantly to the corporate mission, maintaining a strong presence in this vital energy-producing geography.

    Jason Sevin - President & General Manager, Rockies

    Jason Sevin, the President & General Manager, Rockies at Oxy, directs all exploration and production activities within the Rocky Mountain region. Overseeing regional operations, the President & General Manager, Rockies ensures that extraction targets are met through efficient resource management in this domestic market. This leadership role involves coordinating field teams to optimize the production of oil and natural gas in the Rockies. By focusing on operational excellence in this region, Jason Sevin directly impacts the company's total output and regional profitability. Ultimately, the President & General Manager, Rockies secures the company's position as a leader in domestic energy production. The President & General Manager, Rockies collaborates with technical experts to implement innovative drilling techniques. Through rigorous oversight of regional assets, the President & General Manager, Rockies drives performance and ensures that Rocky Mountain operations contribute significantly to the corporate mission, maintaining a strong presence in this vital energy-producing geography.
    Jason Sevin

    Barbara Bergersen - President and General Manager Permian EOR

    Barbara Bergersen, the President and General Manager Permian EOR at Oxy, directs all enhanced oil recovery initiatives within the Permian Basin. Overseeing specialized extraction operations, the President and General Manager Permian EOR ensures that advanced recovery techniques are applied to maximize asset life and output. This leadership role involves coordinating technical teams to implement carbon dioxide injection and other EOR methods. By focusing on innovative recovery strategies, Barbara Bergersen directly impacts the company's ability to extend the productivity of mature fields. Ultimately, the President and General Manager Permian EOR secures long-term production stability through technical expertise and operational precision. The President and General Manager Permian EOR collaborates with research and development teams to refine EOR processes. Through rigorous oversight of these specialized assets, the President and General Manager Permian EOR drives performance and ensures that EOR operations contribute significantly to the corporate mission, maintaining a strong presence in this vital energy-producing geography.

    Brandon Derks - Chief Revenue Officer

    Brandon Derks, the Chief Revenue Officer at Oxy, directs all global sales strategies for oil, gas, and chemical products. Overseeing the commercial teams, the Chief Revenue Officer ensures alignment with corporate growth targets across North American and international markets. This leadership role involves optimizing the sales funnel for basic chemicals and energy commodities to maximize profitability. By leveraging market intelligence, Brandon Derks directly impacts the company's financial performance. Ultimately, the Chief Revenue Officer secures long-term revenue stability through strategic partnerships and efficient distribution networks. The Chief Revenue Officer maintains constant communication with the Board to refine pricing models and market positioning. Through rigorous analysis of commodity price fluctuations, the Chief Revenue Officer mitigates risk while expanding the customer base. This executive leadership ensures that the commercial division remains agile in a volatile energy landscape, consistently delivering value to shareholders and stakeholders alike.

    Adam Deshotel - Chief Revenue Officer, Deepwater Operations

    Adam Deshotel, the Chief Revenue Officer, Deepwater Operations at Oxy, manages the commercial output specifically from offshore exploration assets. Overseeing deepwater production revenue, the Chief Revenue Officer, Deepwater Operations ensures that extraction activities meet high-efficiency standards. This leadership role involves coordinating with technical teams to optimize the flow of oil and condensate from complex marine environments. By streamlining logistics for offshore assets, Adam Deshotel directly impacts the company's ability to capitalize on high-value energy resources. Ultimately, the Chief Revenue Officer, Deepwater Operations secures consistent output levels that support the broader corporate financial goals. The Chief Revenue Officer, Deepwater Operations monitors global maritime market trends to adjust production schedules accordingly. Through precise management of deepwater assets, the Chief Revenue Officer, Deepwater Operations drives operational excellence and maintains a competitive edge in the energy sector, ensuring that offshore projects contribute significantly to the overall corporate bottom line.

    Yanni Charalambous - Vice President & Chief Information Officer

    Yanni Charalambous, the Vice President & Chief Information Officer at Oxy, directs the digital transformation and cybersecurity initiatives across all business segments. Overseeing the enterprise technology infrastructure, the Vice President & Chief Information Officer ensures that data systems support efficient exploration and chemical manufacturing processes. This leadership role involves implementing advanced analytics to improve operational decision-making and asset management. By modernizing the digital landscape, Yanni Charalambous directly impacts the company's ability to innovate and maintain operational security. Ultimately, the Vice President & Chief Information Officer secures the technological backbone that enables global collaboration and data-driven performance. The Vice President & Chief Information Officer collaborates with other C-suite leaders to integrate digital solutions into the core business model. Through the deployment of scalable cloud infrastructure and robust cybersecurity protocols, the Vice President & Chief Information Officer protects critical assets while driving efficiency, ensuring that the company remains at the forefront of technological advancement in the energy industry.
    Yanni Charalambous
    Sylvia Kerrigan, the Senior VP & Chief Legal Officer at Oxy, directs all legal affairs, regulatory compliance, and corporate governance initiatives. Overseeing the legal framework for international operations, the Senior VP & Chief Legal Officer ensures that exploration and chemical manufacturing activities adhere to global standards. This leadership role involves managing complex litigation, contract negotiations, and environmental compliance across diverse jurisdictions. By providing strategic legal counsel, Sylvia Kerrigan directly impacts the company's ability to operate in sensitive markets and mitigate regulatory risks. Ultimately, the Senior VP & Chief Legal Officer secures the company's reputation and legal standing through proactive risk management. The Senior VP & Chief Legal Officer works with the Board to uphold ethical standards and transparency in all corporate dealings. Through careful navigation of the legal landscape, the Senior VP & Chief Legal Officer supports the company's growth strategy, ensuring that all business activities remain compliant with evolving international laws and regulations.

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    Frequently Asked Questions Regarding Oxy Top Executives and Leadership Team

    Who leads Oxy?
    Oxy is led by Sunil Mathew (Senior VP & Chief Financial Officer), along with executives such as Richard Jackson (Senior VP & Chief Operating Officer) and Thaimar Ramirez (Basin Business Unit, Permian Resources President & General Manager (Midland)).
    Who is part of Oxy’s executive team?
    The executive team of Oxy includes leaders such as Sunil Mathew (Senior VP & Chief Financial Officer), Richard Jackson (Senior VP & Chief Operating Officer), Thaimar Ramirez (Basin Business Unit, Permian Resources President & General Manager (Midland)) and other senior executives.
    How many executives does Oxy have?
    Oxy has 10 executives leading key business areas.
    What roles are included in Oxy’s leadership team?
    The leadership team of Oxy includes roles such as Senior VP & Chief Financial Officer, Senior VP & Chief Operating Officer, Basin Business Unit, Permian Resources President & General Manager (Midland), President & General Manager (Oman), President & General Manager, Rockies.