CBH Group Executive and Leadership Team

August, 2026

Leadership Overview

CBH Group has 4 executives leading key functions including strategy, financial oversight, operational logistics, and group fiscal management.

Focused on empowering grain growers, CBH Group delivers essential infrastructure and market access to ensure the long-term prosperity of the Australian agricultural sector through cooperative excellence.

Leadership Roles at CBH Group

  • Chief Executive Officer - Ben Macnamara
  • Chief Financial Officer - Stewart Hart
  • Group Chief Financial Officer - Lauren Tapping
  • Chief Operating Officer - Michael Daw
  • Ben Macnamara - Chief Executive Officer

    Ben Macnamara, the Chief Executive Officer at CBH Group, directs the overarching strategic vision for the cooperative. Macnamara manages the complex grain supply chain, ensuring that the interests of grain growers remain the primary focus of all corporate initiatives. By overseeing the integration of marketing, transport, and processing divisions, the Chief Executive Officer drives efficiency across the entire Australian network. This leadership role involves constant engagement with the Board to align operational goals with market demands. Ben Macnamara maintains a rigorous focus on sustainable growth, ensuring that the cooperative remains competitive in global grain markets. Through the optimization of internal processes, the Chief Executive Officer secures the financial health of the organization. Ultimately, Macnamara architects the long-term roadmap for the cooperative, fostering innovation in grain handling and logistics to support the diverse needs of the grower membership base.
    Ben Macnamara

    Stewart Hart - Chief Financial Officer

    Stewart Hart, the Chief Financial Officer at CBH Group, manages the capital structure and financial reporting requirements for the cooperative. Hart oversees the allocation of resources across grain handling and transport divisions, ensuring that fiscal discipline supports the core mission of the organization. By monitoring market volatility and commodity pricing, the Chief Financial Officer mitigates financial risk for the grower members. This leadership role involves close collaboration with the executive team to evaluate investment opportunities in infrastructure and technology. Stewart Hart directs the financial planning and analysis functions, providing the data necessary for informed decision-making at the highest levels. Through the implementation of robust accounting standards, the Chief Financial Officer maintains transparency and accountability. Ultimately, Hart ensures the financial stability of the cooperative, enabling the continued expansion of services across the vast Australian grain-producing regions.

    Lauren Tapping - Group Chief Financial Officer

    Lauren Tapping, the Group Chief Financial Officer at CBH Group, oversees the consolidated fiscal strategy and enterprise-wide financial governance. Tapping manages the complex tax, treasury, and audit functions that support the diverse business units within the cooperative. By directing the long-term capital investment strategy, the Group Chief Financial Officer ensures that the organization possesses the liquidity required for large-scale infrastructure projects. This leadership role involves managing relationships with financial institutions and stakeholders to secure the funding necessary for operational growth. Lauren Tapping monitors the financial performance of all subsidiaries, providing the oversight needed to maintain profitability across the entire group. Through the rigorous management of corporate assets, the Group Chief Financial Officer protects the interests of the grower members. Ultimately, Tapping architects the financial framework that allows the cooperative to thrive in a competitive global agricultural environment.

    Michael Daw - Chief Operating Officer

    Michael Daw, the Chief Operating Officer at CBH Group, executes the daily logistics and operational workflows required to move grain from farm to port. Daw manages the extensive network of storage facilities and transport assets, ensuring that the supply chain functions with maximum efficiency. By overseeing the technical aspects of grain processing, the Chief Operating Officer maintains the quality standards expected by international buyers. This leadership role involves coordinating with regional managers to optimize the flow of commodities across the Australian landscape. Michael Daw directs the maintenance and modernization of physical infrastructure, ensuring that the cooperative remains capable of handling record harvests. Through the application of advanced logistics software, the Chief Operating Officer minimizes bottlenecks and reduces operational costs. Ultimately, Daw drives the operational excellence that defines the cooperative, ensuring that grain reaches global markets on time and in optimal condition.

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    Frequently Asked Questions Regarding CBH Group Top Executives and Leadership Team

    Who leads CBH Group?
    CBH Group is led by Ben Macnamara (Chief Executive Officer), along with executives such as Stewart Hart (Chief Financial Officer) and Lauren Tapping (Group Chief Financial Officer).
    Who is part of CBH Group’s executive team?
    The executive team of CBH Group includes leaders such as Ben Macnamara (Chief Executive Officer), Stewart Hart (Chief Financial Officer), Lauren Tapping (Group Chief Financial Officer) and other senior executives.
    How many executives does CBH Group have?
    CBH Group has 4 executives leading key business areas.
    What roles are included in CBH Group’s leadership team?
    The leadership team of CBH Group includes roles such as Chief Executive Officer, Chief Financial Officer, Group Chief Financial Officer, Chief Operating Officer.