Mader Group Executive and Leadership Team

October, 2026

Leadership Overview

Mader Group has 5 executives leading key functions including corporate strategy, operational efficiency, financial management, regional financial oversight, and North American market expansion.

Driven by a commitment to industrial excellence, Mader Group delivers specialized maintenance and technical support to the global mining and civil sectors through a relationship-based service model.

Leadership Roles at Mader Group

  • Chief Executive Officer & Director - Justin Nuich
  • Chief Financial Officer - Paul Hegarty
  • Chief Financial Officer (North America) - Martin Devine
  • Chief Operating Officer - Martin Willard
  • American Operations Chief Operating Officer & President (North) - John Greville
  • Justin Nuich - Chief Executive Officer & Director

    Justin Nuich, the Chief Executive Officer & Director at Mader Group, directs the overarching corporate strategy and long-term vision for the organization. Overseeing the expansion of technical services across Australia, Africa, Asia, and North America, the Chief Executive Officer & Director ensures alignment between operational capabilities and the evolving needs of the global mining industry. This leadership role involves constant engagement with the Board to drive sustainable growth and maintain the company's reputation as a premier provider of industrial machinery tooling. By fostering strong relationships with major mining partners, Justin Nuich secures the competitive positioning of the firm within international markets. The Chief Executive Officer & Director prioritizes the delivery of high-quality workshop services, ensuring that all regional operations adhere to the rigorous standards expected by industrial clients. Through strategic decision-making, the executive maintains the firm's trajectory as a leader in specialized trade services.

    Paul Hegarty - Chief Financial Officer

    Paul Hegarty, the Chief Financial Officer at Mader Group, oversees the global financial health and fiscal strategy of the organization. Managing capital allocation and financial reporting, the Chief Financial Officer ensures that the company maintains the necessary resources to support its international expansion into mining and civil markets. This leadership role involves analyzing market trends to inform investment decisions regarding industrial machinery tooling and workshop infrastructure. Paul Hegarty works closely with the executive team to align financial goals with the broader corporate mission of delivering superior technical services. By implementing robust financial controls, the Chief Financial Officer mitigates risk and supports the long-term stability of the firm. The executive monitors revenue streams across multiple continents, ensuring that fiscal performance remains strong. Through precise financial planning and analysis, the Chief Financial Officer provides the foundation for the company's continued growth and operational success.

    Martin Devine - Chief Financial Officer (North America)

    Martin Devine, the Chief Financial Officer (North America) at Mader Group, directs the financial operations and fiscal compliance specifically within the North American market. Overseeing regional budgeting and resource management, the Chief Financial Officer (North America) ensures that the company's expansion into this territory remains profitable and sustainable. This role involves tailoring financial strategies to meet the unique regulatory and economic demands of the North American mining and civil sectors. Martin Devine collaborates with local leadership to optimize the cost structure of technical service delivery and equipment maintenance. By providing detailed financial insights, the Chief Financial Officer (North America) supports the strategic scaling of operations across the region. The executive manages regional cash flow and investment priorities to ensure that the company maintains a competitive edge. Through diligent financial oversight, the Chief Financial Officer (North America) secures the fiscal foundation for the firm's growth in this critical market.

    Martin Willard - Chief Operating Officer

    Martin Willard, the Chief Operating Officer at Mader Group, manages the daily execution of industrial maintenance services and workshop operations. Focusing on the optimization of technical service delivery, the Chief Operating Officer coordinates the deployment of skilled tradespeople across diverse international sites. This role involves streamlining internal processes to enhance efficiency in machinery tooling and equipment support. Martin Willard monitors operational performance metrics to ensure that service quality remains consistent across all global regions. By collaborating with regional managers, the Chief Operating Officer maintains the integrity of the company's service model, which relies on deep technical expertise and rapid response times. The executive drives initiatives to improve workforce productivity and equipment reliability for mining and civil clients. Through rigorous oversight of operational workflows, the Chief Operating Officer sustains the high standards of service that define the company's market presence.
    Martin Willard

    John Greville - American Operations Chief Operating Officer & President (North)

    John Greville, the American Operations Chief Operating Officer & President (North) at Mader Group, leads the strategic development and operational execution of services across the North American region. Overseeing the deployment of specialized tradespeople and workshop services, the American Operations Chief Operating Officer & President (North) ensures that the company meets the complex maintenance requirements of local mining and civil clients. This role involves building a robust service network and fostering partnerships with major industrial operators. John Greville drives the implementation of operational best practices to ensure consistent service quality throughout the region. By focusing on market penetration and operational excellence, the American Operations Chief Operating Officer & President (North) strengthens the company's footprint in North America. The executive coordinates with global leadership to align regional activities with the overarching corporate mission. Through active management of regional operations, the American Operations Chief Operating Officer & President (North) ensures the successful delivery of technical expertise.

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    Frequently Asked Questions Regarding Mader Group Top Executives and Leadership Team

    Who leads Mader Group?
    Mader Group is led by Justin Nuich (Chief Executive Officer & Director), along with executives such as Paul Hegarty (Chief Financial Officer) and Martin Devine (Chief Financial Officer (North America)).
    Who is part of Mader Group’s executive team?
    The executive team of Mader Group includes leaders such as Justin Nuich (Chief Executive Officer & Director), Paul Hegarty (Chief Financial Officer), Martin Devine (Chief Financial Officer (North America)) and other senior executives.
    How many executives does Mader Group have?
    Mader Group has 5 executives leading key business areas.
    What roles are included in Mader Group’s leadership team?
    The leadership team of Mader Group includes roles such as Chief Executive Officer & Director, Chief Financial Officer, Chief Financial Officer (North America), Chief Operating Officer, American Operations Chief Operating Officer & President (North).