Oxy Executive and Leadership Team

July, 2026

Leadership Overview

Oxy has 10 executives leading key functions including revenue generation, financial oversight, operational execution, information technology, legal counsel, and regional management.

Driven by a commitment to responsible energy development, Oxy focuses on acquiring, exploring, and developing oil and gas properties across the United States, the Middle East, and North Africa, while also operating significant chemical and midstream businesses.

Leadership Roles at Oxy

  • Senior VP & Chief Financial Officer - Sunil Mathew
  • Senior VP & Chief Operating Officer - Richard Jackson
  • President & General Manager (Oman) - Steven Lauver
  • President and General Manager Permian EOR - Barbara Bergersen
  • President & General Manager - Tim Sullivan
  • President and General Manager, Oxy EOR Ventures - Vishal Gupta
  • President & General Manager, Rockies - Jason Sevin
  • 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, directs the company's comprehensive financial strategy and operations. This executive oversees all aspects of financial planning, accounting, treasury, and investor relations, ensuring robust fiscal management across the organization. Mathew's responsibilities include capital allocation, risk management, and driving financial performance in alignment with Oxy's strategic goals in oil and gas, chemical, and midstream sectors. The Chief Financial Officer plays a critical part in evaluating investment opportunities and maintaining strong relationships with financial institutions and shareholders. Sunil Mathew's leadership ensures the financial integrity and long-term economic viability of Oxy's global operations, supporting sustainable growth and shareholder value.
    Sunil Mathew

    Richard Jackson - Senior VP & Chief Operating Officer

    Richard Jackson, the Senior VP & Chief Operating Officer at Oxy, orchestrates the company's extensive operational execution across its diverse business segments. This leadership position encompasses direct oversight of exploration, production, chemical manufacturing, and midstream logistics, ensuring seamless integration and efficiency. Jackson drives operational excellence, implementing best practices in safety, environmental stewardship, and resource management throughout Oxy's United States, Middle East, and North Africa operations. The Chief Operating Officer is pivotal in optimizing production levels, managing operational costs, and ensuring the reliable delivery of energy products and chemicals. Richard Jackson's strategic direction enhances Oxy's capacity to meet global energy demands effectively and sustainably.
    Richard Jackson

    Steven Lauver - President & General Manager (Oman)

    Steven Lauver, the President & General Manager (Oman) at Oxy, spearheads the company's strategic operations and business development within the Sultanate of Oman. This leadership role involves overseeing all aspects of Oxy's exploration, production, and operational activities in the region, ensuring alignment with local regulations and corporate objectives. Lauver manages stakeholder relationships, including government entities and local partners, fostering strong collaborative ties. The focus is on maximizing resource potential and driving operational efficiency within Oman's unique energy landscape. Steven Lauver's leadership ensures Oxy's continued success and expansion in the Middle Eastern market, contributing significantly to the company's international portfolio.

    Barbara Bergersen - President and General Manager Permian EOR

    Barbara Bergersen, the President and General Manager Permian EOR at Oxy, directs the company's Enhanced Oil Recovery (EOR) initiatives within the Permian Basin. This critical role involves managing the technical and commercial aspects of EOR projects, focusing on maximizing hydrocarbon recovery from mature fields through advanced technologies. Bergersen oversees operational planning, resource allocation, and the implementation of innovative strategies to boost production and extend the life of existing assets. The Permian EOR leadership ensures Oxy leverages its expertise in carbon management and CO2 injection to enhance oil recovery efficiently. Barbara Bergersen's strategic management drives significant value creation from Oxy's Permian operations.

    Tim Sullivan - President & General Manager

    Tim Sullivan, the President & General Manager at Oxy, leads significant operational segments within the company's broad energy portfolio. This executive role encompasses the strategic direction and day-to-day management of key business units, focusing on driving performance and achieving corporate targets. Sullivan oversees exploration, development, and production activities, ensuring operational efficiency and cost-effectiveness. The leadership involves managing teams, optimizing resource deployment, and fostering a culture of safety and innovation. Tim Sullivan's comprehensive oversight contributes directly to Oxy's overall success in the competitive energy market, ensuring robust operational execution across assigned regions.

    Vishal Gupta - President and General Manager, Oxy EOR Ventures

    Vishal Gupta, the President and General Manager, Oxy EOR Ventures at Oxy, leads the strategic expansion and operational execution of the company's Enhanced Oil Recovery (EOR) ventures. This executive role focuses on identifying and developing new EOR opportunities, particularly those leveraging carbon dioxide capture and utilization, across Oxy's global asset base. Gupta oversees the technical, commercial, and project management aspects of these ventures, ensuring profitability and sustainable resource development. The leadership involves forging strategic partnerships and driving innovation in EOR technologies. Vishal Gupta's direction is crucial for advancing Oxy's position as a leader in carbon management and maximizing hydrocarbon recovery.

    Jason Sevin - President & General Manager, Rockies

    Jason Sevin, the President & General Manager, Rockies at Oxy, directs the company's oil and gas exploration and production activities within the Rocky Mountain region. This leadership position involves overseeing all operational facets, including drilling, completion, and production, while ensuring compliance with regional environmental and safety regulations. Sevin focuses on optimizing resource development, managing operational costs, and maximizing production from the company's assets in the Rockies. The role requires strategic planning for long-term growth and efficient resource management in this key geographic area. Jason Sevin's leadership ensures Oxy maintains a strong operational presence and achieves its production targets in the Rockies.
    Jason Sevin

    Adam Deshotel - Chief Revenue Officer, Deepwater Operations

    Adam Deshotel, the Chief Revenue Officer, Deepwater Operations at Oxy, directs all revenue-generating activities within the company's deepwater exploration and production segment. This leadership role involves optimizing pricing strategies, managing customer relationships, and identifying new market opportunities to maximize profitability from deepwater assets. Deshotel oversees the commercial aspects of deepwater operations, ensuring alignment with Oxy's overall financial objectives and market position. The focus remains on driving sustainable revenue growth through efficient resource extraction and strategic market engagement in challenging offshore environments. Adam Deshotel's strategic oversight ensures the deepwater segment consistently contributes to Oxy's financial performance and market leadership in the energy sector.

    Yanni Charalambous - Vice President & Chief Information Officer

    Yanni Charalambous, the Vice President & Chief Information Officer at Oxy, leads the company's technology strategy and digital transformation initiatives. This executive is responsible for managing all information technology infrastructure, cybersecurity, data analytics, and enterprise systems that support Oxy's global operations in oil and gas, chemicals, and midstream services. Charalambous drives innovation by leveraging technology to enhance operational efficiency, improve decision-making, and secure critical data assets. The Chief Information Officer ensures that Oxy's technological capabilities are robust, scalable, and aligned with business objectives. Yanni Charalambous's vision guides the integration of advanced digital solutions, strengthening Oxy's competitive edge in the energy market.
    Yanni Charalambous
    Sylvia Kerrigan, the Senior VP & Chief Legal Officer at Oxy, directs the company's comprehensive legal affairs and corporate governance. This executive provides strategic legal counsel on all matters, including regulatory compliance, litigation, contracts, mergers and acquisitions, and intellectual property across Oxy's global operations. Kerrigan ensures adherence to all applicable laws and ethical standards, safeguarding the company's interests and reputation. The Chief Legal Officer plays a crucial role in navigating complex legal landscapes inherent in the energy and chemical industries. Sylvia Kerrigan's expertise is vital in managing legal risks and supporting Oxy's strategic initiatives with sound legal guidance.

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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 Steven Lauver (President & General Manager (Oman)).
    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), Steven Lauver (President & General Manager (Oman)) 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, President & General Manager (Oman), President and General Manager Permian EOR, President & General Manager.