Ministry for the Environment Executive and Leadership Team

July, 2026

Leadership Overview

Ministry for the Environment has 4 executives leading key functions including technology, operations, finance, and advisory.

Dedicated to making New Zealand the most liveable place in the world, Ministry for the Environment drives environmental stewardship and sustainable development through strategic leadership and operational excellence.

Leadership Roles at Ministry for the Environment

  • Principal Advisor To the Chief Financial Officer - Sam De Costa Acma
  • Principal Advisor To the Chief Financial Officer - Sam De Costa
  • Chief Information Officer - Mike Porter
  • Chief of Staff - Martin Workman
  • Sam De Costa Acma - Principal Advisor To the Chief Financial Officer

    Sam De Costa Acma, the Principal Advisor To the Chief Financial Officer at Ministry for the Environment, provides critical financial analysis and strategic guidance to support the organization's fiscal health. This position involves developing financial models, forecasting budgetary needs, and ensuring compliance with governmental financial regulations. Overseeing complex financial projects, De Costa Acma supports the Chief Financial Officer in managing resource allocation and optimizing financial performance to advance the Ministry's mission of making New Zealand the most liveable place in the world. By delivering insightful financial counsel, Sam De Costa Acma plays a vital part in ensuring the sustainable funding of environmental initiatives and operational expenditures. The Principal Advisor's expertise is crucial for informed decision-making regarding investments in environmental protection and conservation efforts.

    Sam De Costa - Principal Advisor To the Chief Financial Officer

    Sam De Costa, the Principal Advisor To the Chief Financial Officer at Ministry for the Environment, offers specialized expertise in financial strategy and operational efficiency. This role focuses on enhancing the financial frameworks that underpin the Ministry's environmental programs and administrative functions. Overseeing the development of financial policies and procedures, De Costa ensures fiscal integrity and accountability across all departments. By providing strategic financial insights, Sam De Costa supports the Chief Financial Officer in navigating complex economic landscapes and securing resources necessary for achieving the goal of making New Zealand the most liveable place in the world. The Principal Advisor's contributions are essential for driving financial sustainability and maximizing the impact of public funds allocated to environmental stewardship and conservation.

    Mike Porter - Chief Information Officer

    Mike Porter, the Chief Information Officer at Ministry for the Environment, directs the organization's technology strategy and digital transformation initiatives. Overseeing all IT infrastructure, cybersecurity measures, and data management systems, Porter ensures robust and secure technological operations that support the Ministry's mission. This leadership role involves architecting scalable IT solutions to enhance environmental monitoring, data analysis, and public service delivery across New Zealand. By optimizing digital platforms, Mike Porter drives efficiency and innovation in how the Ministry achieves its goal of making New Zealand the most liveable place in the world. The Chief Information Officer's focus extends to fostering a culture of technological advancement and ensuring compliance with all relevant data protection regulations, thereby safeguarding sensitive environmental information and improving accessibility for stakeholders.

    Martin Workman - Chief of Staff

    Martin Workman, the Chief of Staff at Ministry for the Environment, provides strategic operational support and drives key initiatives across the organization. This role involves coordinating high-level projects, managing interdepartmental communications, and ensuring alignment with the Ministry's overarching objectives. Overseeing the efficient functioning of executive operations, Workman facilitates the implementation of strategic plans and monitors progress against key performance indicators. By streamlining workflows and enhancing organizational effectiveness, Martin Workman directly contributes to the Ministry's mandate of making New Zealand the most liveable place in the world. The Chief of Staff's responsibilities include advising senior leadership on operational matters, managing special assignments, and ensuring that executive decisions are translated into actionable plans that advance environmental policy and sustainability goals.

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    Frequently Asked Questions Regarding Ministry for the Environment Top Executives and Leadership Team

    Who leads Ministry for the Environment?
    Ministry for the Environment is led by Sam De Costa Acma (Principal Advisor To the Chief Financial Officer), along with executives such as Sam De Costa (Principal Advisor To the Chief Financial Officer) and Mike Porter (Chief Information Officer).
    Who is part of Ministry for the Environment’s executive team?
    The executive team of Ministry for the Environment includes leaders such as Sam De Costa Acma (Principal Advisor To the Chief Financial Officer), Sam De Costa (Principal Advisor To the Chief Financial Officer), Mike Porter (Chief Information Officer) and other senior executives.
    How many executives does Ministry for the Environment have?
    Ministry for the Environment has 4 executives leading key business areas.
    What roles are included in Ministry for the Environment’s leadership team?
    The leadership team of Ministry for the Environment includes roles such as Principal Advisor To the Chief Financial Officer, Principal Advisor To the Chief Financial Officer, Chief Information Officer, Chief of Staff.