Northern Star Resources Executive and Leadership Team

Stuart Tonkin, the Managing Director & Chief Executive Officer at Northern Star Resources, directs the overarching corporate strategy for the global gold mining portfolio. Tonkin oversees the integration of open-pit and underground mining assets across Australia and North America to maximize production efficiency. By aligning operational goals with long-term shareholder value, the Managing Director & Chief Executive Officer ensures consistent growth in gold output. This leadership role involves constant engagement with the Board to refine exploration priorities and capital allocation. Stuart Tonkin maintains a focus on safety standards and environmental compliance across all mining sites. Through rigorous oversight of the entire organizational structure, Tonkin drives the company toward becoming a premier gold producer. The Managing Director & Chief Executive Officer fosters a culture of operational excellence, ensuring that every asset contributes effectively to the broader corporate mission of sustainable resource development and financial stability.

Ryan Gurner, the Chief Financial Officer at Northern Star Resources, manages the fiscal health and capital structure of the global gold mining enterprise. Gurner directs financial planning, treasury operations, and investor relations to support the company's expansion in Australia and North America. By optimizing the balance sheet, the Chief Financial Officer ensures sufficient liquidity for ongoing exploration and development projects. This role involves close collaboration with the executive team to assess the economic viability of new mining assets. Ryan Gurner monitors market trends in gold pricing to mitigate financial risks and enhance profitability. Through precise financial reporting and rigorous cost management, Gurner supports the strategic objectives of the organization. The Chief Financial Officer maintains transparency with stakeholders while driving initiatives that improve operational margins. Ultimately, Gurner secures the financial foundation necessary for the company to maintain a competitive position within the global gold mining industry.

Phillip Coetzer, the Acting Chief Financial Officer at Northern Star Resources, executes critical financial controls and accounting functions during the current transition period. Coetzer oversees internal audits, tax compliance, and the preparation of financial statements for the diverse portfolio of mining assets. By managing the day-to-day cash flow requirements, the Acting Chief Financial Officer ensures that operational teams receive the necessary funding for extraction and production activities. This role involves coordinating with external auditors and regulatory bodies to maintain strict adherence to financial standards. Phillip Coetzer provides essential data analysis to support the executive leadership in making informed decisions regarding capital expenditure. Through diligent monitoring of regional financial performance in Australia and North America, Coetzer stabilizes the fiscal environment. The Acting Chief Financial Officer facilitates seamless communication between the finance department and other operational units, ensuring that all fiscal activities align with the broader corporate strategy for sustainable growth.

Simon Jessop, the Chief Operating Officer - Kalgoorlie at Northern Star Resources, directs all extraction and production activities within the Kalgoorlie region. Jessop oversees the technical performance of underground and open-pit mines, ensuring that production targets meet the company's high-quality standards. By implementing advanced mining technologies, the Chief Operating Officer - Kalgoorlie improves operational efficiency and safety across the regional asset base. This role involves managing the workforce and supply chain logistics to maintain continuous output in a challenging mining environment. Simon Jessop collaborates with the executive team to integrate regional production data into the global strategy for Northern Star Resources. Through proactive maintenance and resource management, Jessop minimizes downtime and maximizes the recovery of gold. The Chief Operating Officer - Kalgoorlie drives the implementation of best practices in mining engineering, ensuring that the regional operations remain a cornerstone of the company's overall production success and long-term profitability.