New Zealand Treasury Executive and Leadership Team

July, 2026

Leadership Overview

New Zealand Treasury has 4 executives leading key functions including operations, finance, people, and central agency services.

Driven by a commitment to economic stability, New Zealand Treasury focuses on lifting living standards for all New Zealanders through expert financial management and economic policy.

Leadership Roles at New Zealand Treasury

  • Chief Financial Officer - Glenn McStay
  • Deputy Chief Financial Officer, Central Agencies Shared Services, The Treasury - John Toomath
  • Chief Operating Officer - Cath Atkins
  • Chief People Officer - Fiona Foster
  • Glenn McStay - Chief Financial Officer

    Glenn McStay, the Chief Financial Officer at New Zealand Treasury, spearheads the financial strategy and fiscal management critical to supporting government economic policy. Glenn McStay oversees all financial operations, ensuring robust budget forecasting, sound fiscal strategy implementation, and effective investment management. This role is pivotal in maintaining the integrity of public finances and driving the Treasury's mission to lift living standards for all New Zealanders. The Chief Financial Officer's responsibilities include managing financial risk, optimizing resource allocation, and providing essential financial guidance to government agencies and policymakers. By ensuring financial accountability and transparency, McStay reinforces the Treasury's role as a trusted advisor and steward of public funds, directly impacting the nation's economic well-being and long-term prosperity.

    John Toomath - Deputy Chief Financial Officer, Central Agencies Shared Services, The Treasury

    John Toomath, the Deputy Chief Financial Officer, Central Agencies Shared Services, The Treasury at New Zealand Treasury, supports the overarching financial strategy and operational efficiency of key government functions. John Toomath focuses on the delivery of shared financial services to central agencies, ensuring seamless budget execution, fiscal reporting, and investment oversight. This critical role directly supports the Treasury's mandate to enhance public sector performance and uphold financial accountability across government operations. The Deputy Chief Financial Officer's expertise is vital in managing complex financial interdependencies and providing reliable financial data to policymakers. By driving efficiency within shared services, Toomath contributes significantly to the effective allocation of public resources and the achievement of the Treasury's objective to lift living standards for all New Zealanders.

    Cath Atkins - Chief Operating Officer

    Cath Atkins, the Chief Operating Officer at New Zealand Treasury, directs the operational framework supporting the government's financial management and economic policy objectives. Overseeing internal functions, Cath Atkins ensures the efficient delivery of services such as budget forecasting, fiscal strategy, and investment management, directly contributing to the goal of lifting living standards for all New Zealanders. This leadership role involves optimizing public sector performance guidance and enhancing governance and accountability across the organization. The Chief Operating Officer's strategic oversight extends to managing resources and driving operational excellence to meet the needs of government entities, policymakers, and the public. By streamlining processes and fostering a culture of continuous improvement, the Chief Operating Officer solidifies the Treasury's capacity to provide critical economic and financial insights.

    Fiona Foster - Chief People Officer

    Fiona Foster, the Chief People Officer at New Zealand Treasury, architects the human capital strategy essential for executing the government's financial management and economic policy initiatives. Fiona Foster directs all aspects of talent acquisition, development, and retention, ensuring the Treasury possesses the skilled workforce necessary to provide expert budget forecasting, fiscal strategy, and public sector performance guidance. This leadership position is fundamental to fostering a high-performing organizational culture that supports the mission of lifting living standards for all New Zealanders. The Chief People Officer's focus includes cultivating an environment of collaboration, accountability, and continuous learning, thereby enhancing the Treasury's capacity to engage effectively with stakeholders and deliver on its mandate. Foster's strategic approach to people management strengthens the organization's ability to navigate complex economic challenges and maintain public trust.

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    Frequently Asked Questions Regarding New Zealand Treasury Top Executives and Leadership Team

    Who leads New Zealand Treasury?
    New Zealand Treasury is led by Glenn McStay (Chief Financial Officer), along with executives such as John Toomath (Deputy Chief Financial Officer, Central Agencies Shared Services, The Treasury) and Cath Atkins (Chief Operating Officer).
    Who is part of New Zealand Treasury’s executive team?
    The executive team of New Zealand Treasury includes leaders such as Glenn McStay (Chief Financial Officer), John Toomath (Deputy Chief Financial Officer, Central Agencies Shared Services, The Treasury), Cath Atkins (Chief Operating Officer) and other senior executives.
    How many executives does New Zealand Treasury have?
    New Zealand Treasury has 4 executives leading key business areas.
    What roles are included in New Zealand Treasury’s leadership team?
    The leadership team of New Zealand Treasury includes roles such as Chief Financial Officer, Deputy Chief Financial Officer, Central Agencies Shared Services, The Treasury, Chief Operating Officer, Chief People Officer.