Pacific National Executive and Leadership Team

August, 2026

Leadership Overview

Pacific National has 5 executives leading key functions including strategy, rail operations, technology, logistics, and legal compliance.

Committed to excellence in logistics, Pacific National delivers essential rail freight solutions across Australia while maintaining a focus on safety, efficiency, and sustainable infrastructure development for bulk and containerized commodity transport.

Leadership Roles at Pacific National

  • Chief Executive Officer - Brett Grehan
  • Chief Operating Officer - Patrick O'Donnell
  • Group Technology Officer & Chief Information Officer - Paul Williams
  • Chief Operations Officer - Frank Casal
  • Chief Legal Officer - Andrew Beck
  • Brett Grehan - Chief Executive Officer

    Brett Grehan, the Chief Executive Officer at Pacific National, directs the overarching strategic vision for the organization. Overseeing the entire rail freight network, the Chief Executive Officer ensures alignment between corporate objectives and the operational demands of transporting bulk commodities across Australia. This leadership role involves managing high-level stakeholder relationships and driving long-term growth initiatives within the competitive transportation sector. By optimizing capital allocation and prioritizing safety standards, Brett Grehan directly impacts the company's market position. The Chief Executive Officer maintains a focus on expanding the reach of rail services to support national supply chains. Through rigorous oversight of performance metrics, Grehan secures the financial health of the enterprise. This executive leadership ensures that the company remains a dominant force in the Australian logistics landscape, consistently meeting the complex requirements of diverse industrial clients while fostering a culture of operational excellence and continuous improvement.
    Brett Grehan

    Patrick O'Donnell - Chief Operating Officer

    Patrick O'Donnell, the Chief Operating Officer at Pacific National, manages the daily execution of rail freight services across the national network. Overseeing the movement of containerized freight, the Chief Operating Officer ensures that logistical workflows remain efficient and reliable. This leadership role involves coordinating with regional managers to maintain high service standards throughout the Australian continent. By streamlining terminal operations and optimizing train scheduling, Patrick O'Donnell directly impacts the company's ability to meet client delivery timelines. The Chief Operating Officer monitors asset utilization to maximize productivity across the fleet. Through constant evaluation of operational bottlenecks, O'Donnell implements solutions that enhance throughput and reduce transit times. This executive leadership supports the broader mission of providing seamless transportation services, ensuring that the company maintains a competitive edge in the rail industry while upholding strict safety protocols and operational integrity across all regional corridors.

    Paul Williams - Group Technology Officer & Chief Information Officer

    Paul Williams, the Group Technology Officer & Chief Information Officer at Pacific National, architects the digital infrastructure supporting rail freight operations. Overseeing cybersecurity and data analytics, the Group Technology Officer & Chief Information Officer ensures that information systems remain resilient and scalable. This leadership role involves integrating advanced tracking technologies to improve visibility for bulk commodity transport across Australia. By modernizing legacy platforms, Paul Williams directly impacts the company's operational efficiency and decision-making capabilities. The Group Technology Officer & Chief Information Officer manages the deployment of software solutions that streamline communication between field teams and corporate headquarters. Through strategic investment in digital transformation, Williams secures the technological foundation necessary for future growth. This executive leadership drives innovation by leveraging data to optimize maintenance schedules and fuel consumption, ensuring that the company remains at the forefront of technological advancement within the national rail transportation sector.

    Frank Casal - Chief Operations Officer

    Frank Casal, the Chief Operations Officer at Pacific National, directs the specialized logistics and supply chain functions for bulk commodity transport. Overseeing the maintenance of rolling stock and infrastructure, the Chief Operations Officer ensures that the physical assets remain in peak condition for heavy-haul operations. This leadership role involves managing the complex interface between rail networks and industrial loading facilities across the country. By refining maintenance protocols and improving equipment reliability, Frank Casal directly impacts the company's capacity to handle high-volume freight demands. The Chief Operations Officer coordinates with engineering teams to implement safety upgrades and operational improvements. Through rigorous oversight of field performance, Casal ensures that the company meets the rigorous demands of the Australian mining and agricultural sectors. This executive leadership supports the company's commitment to operational excellence by ensuring that every aspect of the rail transport process functions with precision and reliability.
    Andrew Beck, the Chief Legal Officer at Pacific National, manages the regulatory and compliance framework governing rail freight operations. Overseeing corporate governance and risk management, the Chief Legal Officer ensures that all business activities align with Australian transportation laws and safety regulations. This leadership role involves navigating complex legal landscapes to protect the company's interests during contract negotiations and infrastructure projects. By providing strategic counsel to the board, Andrew Beck directly impacts the company's ability to mitigate liability and maintain operational continuity. The Chief Legal Officer monitors legislative changes that affect the rail industry, ensuring that the organization remains proactive in its compliance efforts. Through the management of legal disputes and regulatory filings, Beck secures the company's reputation and long-term stability. This executive leadership supports the company's mission by fostering a culture of transparency and legal integrity, ensuring that all logistical operations proceed within a secure and well-defined regulatory environment.
    Andrew Beck

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    Frequently Asked Questions Regarding Pacific National Top Executives and Leadership Team

    Who leads Pacific National?
    Pacific National is led by Brett Grehan (Chief Executive Officer), along with executives such as Patrick O'Donnell (Chief Operating Officer) and Paul Williams (Group Technology Officer & Chief Information Officer).
    Who is part of Pacific National’s executive team?
    The executive team of Pacific National includes leaders such as Brett Grehan (Chief Executive Officer), Patrick O'Donnell (Chief Operating Officer), Paul Williams (Group Technology Officer & Chief Information Officer) and other senior executives.
    How many executives does Pacific National have?
    Pacific National has 5 executives leading key business areas.
    What roles are included in Pacific National’s leadership team?
    The leadership team of Pacific National includes roles such as Chief Executive Officer, Chief Operating Officer, Group Technology Officer & Chief Information Officer, Chief Operations Officer, Chief Legal Officer.