Downer Group Executive and Leadership Team

August, 2026

Leadership Overview

Downer Group has 10 executives leading key functions including financial strategy, operational management, energy infrastructure, mining industrial oversight, human capital, and legal governance.

Focused on delivering critical engineering and asset management solutions, Downer Group maintains a commitment to excellence across the transport, power, and water sectors while driving sustainable infrastructure development throughout the Australian market.

Leadership Roles at Downer Group

  • Chief Financial Officer - Michael Ferguson
  • Chief Financial Officer, Mining, Energy & Industrial - Warwick McEvoy
  • Deputy Chief Financial Officer - Phillip Clewett
  • Chief Operating Officer - Jacob Bonisch
  • Chief Operating Officer. Energy and Utilities - Luke Sullivan
  • President - Robert Gregg
  • Chief People Officer - Jan O'Neill
  • Group General Counsel & Company Secretary - Robert Regan
  • Executive Team Assistant - Estelle Germann
  • Executive Team Assistant - Pip Wilson
  • Michael Ferguson - Chief Financial Officer

    Michael Ferguson, the Chief Financial Officer at Downer Group, directs the overarching fiscal strategy and capital allocation for the entire organization. Managing complex financial reporting and investor relations, the Chief Financial Officer ensures transparency and long-term value creation for shareholders. Ferguson oversees the integration of financial systems across diverse sectors like transport and telecommunications, maintaining rigorous compliance standards. By optimizing cash flow and managing debt profiles, the Chief Financial Officer supports the company's expansive engineering and construction projects. This leadership role involves close collaboration with the Board to assess risk and identify growth opportunities within the Australian market. Through disciplined fiscal oversight, Michael Ferguson secures the financial health necessary for large-scale infrastructure delivery. Ultimately, Ferguson drives the economic stability required to sustain the company's competitive position in the global engineering landscape.

    Warwick McEvoy - Chief Financial Officer, Mining, Energy & Industrial

    Warwick McEvoy, the Chief Financial Officer, Mining, Energy & Industrial at Downer Group, manages the financial performance and budgetary control for the company's heavy industrial and mining divisions. Overseeing the fiscal health of complex resource-based projects, the Chief Financial Officer, Mining, Energy & Industrial ensures that capital expenditure aligns with long-term profitability targets. McEvoy evaluates the economic viability of new mining contracts and industrial service agreements, providing critical data to the executive team. By monitoring market fluctuations in the minerals and metals sector, the Chief Financial Officer, Mining, Energy & Industrial mitigates financial risk and enhances operational margins. This role involves coordinating with project leads to ensure cost-effective delivery of industrial engineering solutions. Through rigorous financial analysis, Warwick McEvoy supports the expansion of the company's industrial footprint. Ultimately, McEvoy ensures the financial sustainability of the mining and energy business units.

    Phillip Clewett - Deputy Chief Financial Officer

    Phillip Clewett, the Deputy Chief Financial Officer at Downer Group, supports the executive financial team by managing internal audit processes and corporate accounting standards. Overseeing the accuracy of financial reporting, the Deputy Chief Financial Officer ensures that all fiscal activities comply with regulatory requirements across the diverse sectors of the company. Clewett coordinates with the finance department to streamline budgeting procedures and improve the efficiency of financial data collection. By analyzing operational costs and identifying areas for fiscal improvement, the Deputy Chief Financial Officer provides actionable insights that support the company's broader economic goals. This role involves maintaining strong internal controls and facilitating communication between the finance team and operational managers. Through meticulous attention to financial detail, Phillip Clewett strengthens the company's overall fiscal governance. Ultimately, Clewett ensures the integrity of the financial systems that support the company's engineering and construction operations.

    Jacob Bonisch - Chief Operating Officer

    Jacob Bonisch, the Chief Operating Officer at Downer Group, manages the daily operational efficiency of the company's vast engineering and construction portfolio. Overseeing the execution of large-scale projects in the transport and property sectors, the Chief Operating Officer ensures that all site activities meet strict safety and quality benchmarks. Bonisch coordinates cross-functional teams to streamline resource allocation and improve project delivery timelines across the Australian region. By implementing advanced asset management protocols, the Chief Operating Officer maximizes operational output and reduces overhead costs. This role requires constant interaction with project managers to resolve logistical challenges and maintain high performance standards. Through strategic oversight of field operations, Jacob Bonisch directly impacts the successful completion of critical infrastructure initiatives. Ultimately, Bonisch maintains the operational excellence that defines the company's reputation for reliability and technical precision.

    Luke Sullivan - Chief Operating Officer. Energy and Utilities

    Luke Sullivan, the Chief Operating Officer. Energy and Utilities at Downer Group, directs the strategic deployment of engineering services within the power, water, and oil and gas sectors. Overseeing the technical execution of complex utility projects, the Chief Operating Officer. Energy and Utilities ensures that all energy infrastructure meets modern sustainability and efficiency requirements. Sullivan manages the integration of specialized engineering teams to support the transition toward renewable energy sources across the Australian market. By aligning operational capabilities with the specific demands of the utility sector, the Chief Operating Officer. Energy and Utilities optimizes service delivery and strengthens client relationships. This leadership role involves managing large-scale maintenance contracts and ensuring the resilience of critical power networks. Through focused operational management, Luke Sullivan drives the growth of the company's energy portfolio. Ultimately, Sullivan secures the technical integrity of essential utility infrastructure.

    Robert Gregg - President

    Robert Gregg, the President at Downer Group, provides high-level strategic direction and oversees the execution of the company's long-term business vision. Managing the integration of various business units, the President ensures that the company's engineering and asset management services remain aligned with market demands. Gregg coordinates with the Board and other C-suite leaders to define growth priorities and evaluate new business opportunities in the transport and utility sectors. By fostering a culture of innovation and operational excellence, the President drives the company's expansion across the Australian market. This leadership role involves representing the company to key stakeholders and ensuring that all business activities support the overarching mission of delivering critical infrastructure. Through decisive leadership, Robert Gregg guides the organization toward sustainable success and market leadership. Ultimately, Gregg maintains the strategic focus required to navigate the complexities of the modern engineering and construction industry.

    Jan O'Neill - Chief People Officer

    Jan O'Neill, the Chief People Officer at Downer Group, directs the human capital strategy and organizational development for the entire workforce. Overseeing talent acquisition, employee engagement, and leadership training, the Chief People Officer ensures that the company attracts and retains the skilled professionals necessary for complex engineering projects. O'Neill manages the implementation of workplace safety cultures and diversity initiatives across all regional operations. By aligning human resources policies with the company's business objectives, the Chief People Officer fosters a high-performance environment that supports long-term growth. This role involves collaborating with the executive team to address workforce planning and organizational restructuring needs. Through strategic management of the company's people, Jan O'Neill drives the cultural transformation required to maintain a competitive edge in the construction and infrastructure sectors. Ultimately, O'Neill builds the human foundation that enables the company to deliver on its engineering promises.
    Jan O'Neill

    Robert Regan - Group General Counsel & Company Secretary

    Robert Regan, the Group General Counsel & Company Secretary at Downer Group, manages the legal framework and corporate governance standards for the entire organization. Overseeing contract negotiations, regulatory compliance, and risk management, the Group General Counsel & Company Secretary ensures that all business activities adhere to legal requirements in the engineering and construction sectors. Regan provides critical legal advice to the Board and executive team regarding mergers, acquisitions, and complex project agreements. By maintaining the integrity of corporate records and ensuring transparent governance, the Group General Counsel & Company Secretary protects the company's reputation and assets. This role involves coordinating with external legal counsel to resolve disputes and mitigate potential liabilities. Through proactive legal strategy, Robert Regan supports the company's operational stability and growth. Ultimately, Regan ensures that the company operates within a secure and compliant legal environment while pursuing its strategic objectives.

    Estelle Germann - Executive Team Assistant

    Estelle Germann, the Executive Team Assistant at Downer Group, manages the administrative operations and scheduling requirements for the senior leadership team. Overseeing the coordination of executive meetings and travel logistics, the Executive Team Assistant ensures that the leadership team remains focused on strategic priorities. Germann facilitates communication between the executive office and various departments, ensuring that information flows efficiently across the organization. By managing complex calendars and preparing essential documentation, the Executive Team Assistant supports the daily operational needs of the company's top decision-makers. This role involves maintaining high levels of confidentiality and professionalism while handling sensitive corporate information. Through organized administrative support, Estelle Germann enables the executive team to function effectively in a fast-paced engineering environment. Ultimately, Germann provides the logistical foundation that allows the leadership team to drive the company's mission and operational success.

    Pip Wilson - Executive Team Assistant

    Pip Wilson, the Executive Team Assistant at Downer Group, manages the administrative workflows and organizational support for the senior executive team. Overseeing the preparation of reports and the coordination of high-level meetings, the Executive Team Assistant ensures that the leadership team has the necessary resources to execute the company's strategic initiatives. Wilson manages the flow of correspondence and ensures that all administrative tasks align with the company's governance standards. By providing essential support for project planning and executive communications, the Executive Team Assistant enhances the overall efficiency of the leadership group. This role involves managing complex schedules and facilitating collaboration across different business units. Through dedicated administrative management, Pip Wilson supports the executive team in navigating the challenges of the engineering and construction sectors. Ultimately, Wilson ensures that the leadership team remains organized and prepared to address the company's evolving business needs.

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    Frequently Asked Questions Regarding Downer Group Top Executives and Leadership Team

    Who leads Downer Group?
    Downer Group is led by Michael Ferguson (Chief Financial Officer), along with executives such as Warwick McEvoy (Chief Financial Officer, Mining, Energy & Industrial) and Phillip Clewett (Deputy Chief Financial Officer).
    Who is part of Downer Group’s executive team?
    The executive team of Downer Group includes leaders such as Michael Ferguson (Chief Financial Officer), Warwick McEvoy (Chief Financial Officer, Mining, Energy & Industrial), Phillip Clewett (Deputy Chief Financial Officer) and other senior executives.
    How many executives does Downer Group have?
    Downer Group has 10 executives leading key business areas.
    What roles are included in Downer Group’s leadership team?
    The leadership team of Downer Group includes roles such as Chief Financial Officer, Chief Financial Officer, Mining, Energy & Industrial, Deputy Chief Financial Officer, Chief Operating Officer, Chief Operating Officer. Energy and Utilities.