Santos Executive and Leadership Team

July, 2026

Leadership Overview

Santos has 6 executives leading key functions including strategy, finance, operations, marketing, and revenue.

Driven by a commitment to sustainable energy solutions, Santos focuses on maximizing value from onshore oil and gas assets while prioritizing safety and environmental responsibility.

Leadership Roles at Santos

  • Managing Director & Chief Executive Officer - Ross Adler
  • Managing Director & Chief Executive Officer - Kevin Gallagher
  • Chief Financial Officer - Lachlan Harris
  • Chief Operating Officer, & Png Upstream (Australia) - Brett Darley
  • Permit Coordinator and Chief Revenue Officer - Dumal Yuke
  • Executive VP, Marketing & Trading - Philip Byrne
  • Ross Adler - Managing Director & Chief Executive Officer

    Ross Adler, the Managing Director & Chief Executive Officer at Santos, directs the company's overall strategic vision and operational execution. Adler's leadership guides Santos's position as an onshore oil and gas producer, ensuring alignment with market demands and shareholder objectives. This executive oversees the integration of exploration, development, and production activities across the company's Australian portfolio. Adler's focus includes driving efficiency in resource extraction and fostering innovation in operational processes. The Chief Executive Officer's role involves significant engagement with stakeholders, including the board, investors, and regulatory bodies, to maintain Santos's competitive edge in the energy sector. Adler's strategic direction is crucial for navigating the complexities of the global energy market and achieving sustainable growth.

    Kevin Gallagher - Managing Director & Chief Executive Officer

    Kevin Gallagher, the Managing Director & Chief Executive Officer at Santos, spearheads the company's strategic direction and operational oversight. Gallagher's tenure is marked by a focus on optimizing the company's onshore oil and gas assets, ensuring robust production and exploration initiatives. This executive directs the company's engagement with key stakeholders, including government entities and industry partners, to foster growth and maintain operational integrity. Gallagher's leadership emphasizes sustainable practices and technological advancement within the energy sector. The Chief Executive Officer's responsibilities encompass driving financial performance and ensuring the long-term viability of Santos's operations. Kevin Gallagher's strategic imperatives are vital for navigating the evolving energy landscape and securing the company's market position.

    Lachlan Harris - Chief Financial Officer

    Lachlan Harris, the Chief Financial Officer at Santos, manages the company's financial strategy and fiscal operations. Harris oversees all aspects of financial planning, reporting, and capital allocation, ensuring the economic health of the organization. This executive directs the company's treasury functions, including debt management and investment strategies, to support Santos's growth objectives. The Chief Financial Officer's role involves close collaboration with other senior leaders to align financial resources with operational priorities and strategic initiatives. Lachlan Harris is responsible for maintaining strong relationships with financial institutions and investors, providing critical insights into the company's financial performance and outlook. Harris's expertise is essential for navigating market fluctuations and optimizing profitability in the energy sector.
    Lachlan Harris

    Brett Darley - Chief Operating Officer, & Png Upstream (Australia)

    Brett Darley, the Chief Operating Officer, & Png Upstream (Australia) at Santos, directs all upstream operations within Australia. Darley oversees the exploration, development, and production of oil and gas resources, ensuring efficient and safe execution of projects. This executive manages the operational infrastructure and teams responsible for maximizing output from Santos's Australian assets. The Chief Operating Officer's responsibilities include implementing best practices in field operations and driving technological advancements to enhance productivity. Brett Darley works closely with the executive team to align operational strategies with the company's overall business objectives. Darley's leadership is critical for maintaining high standards of performance and achieving production targets in the Australian energy market.
    Brett Darley

    Dumal Yuke - Permit Coordinator and Chief Revenue Officer

    Dumal Yuke, the Permit Coordinator and Chief Revenue Officer at Santos, drives revenue generation and manages critical permitting processes. Yuke oversees strategies to maximize income from Santos's oil and gas assets, ensuring compliance with all regulatory requirements for operational permits. This executive directs the sales and marketing functions, focusing on expanding market reach and securing profitable contracts. The Chief Revenue Officer's role involves close coordination with operational teams to ensure seamless project execution and revenue realization. Dumal Yuke is instrumental in optimizing the revenue streams derived from the company's exploration and production activities. Yuke's dual focus on revenue growth and regulatory adherence is vital for Santos's sustained commercial success and operational continuity.

    Philip Byrne - Executive VP, Marketing & Trading

    Philip Byrne, the Executive VP, Marketing & Trading at Santos, leads the company's commercial activities in marketing and trading. Byrne directs strategies for the sale and distribution of Santos's oil and gas products, optimizing market positioning and revenue. This executive oversees the trading operations, managing risk and identifying opportunities in volatile energy markets. The Executive VP's role involves building and maintaining strong relationships with customers and trading partners globally. Philip Byrne is responsible for developing innovative marketing approaches to enhance the value proposition of Santos's energy resources. Byrne's expertise in market dynamics and commercial negotiations is crucial for driving profitability and ensuring competitive advantage for Santos.

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    Frequently Asked Questions Regarding Santos Top Executives and Leadership Team

    Who leads Santos?
    Santos is led by Ross Adler (Managing Director & Chief Executive Officer), along with executives such as Kevin Gallagher (Managing Director & Chief Executive Officer) and Lachlan Harris (Chief Financial Officer).
    Who is part of Santos’s executive team?
    The executive team of Santos includes leaders such as Ross Adler (Managing Director & Chief Executive Officer), Kevin Gallagher (Managing Director & Chief Executive Officer), Lachlan Harris (Chief Financial Officer) and other senior executives.
    How many executives does Santos have?
    Santos has 6 executives leading key business areas.
    What roles are included in Santos’s leadership team?
    The leadership team of Santos includes roles such as Managing Director & Chief Executive Officer, Managing Director & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, & Png Upstream (Australia), Permit Coordinator and Chief Revenue Officer.