Northern Star Resources Executive and Leadership Team

Stuart Tonkin, the Managing Director & Chief Executive Officer at Northern Star Resources, directs the global gold mining strategy across all operational assets. Tonkin oversees the integration of open-pit and underground mining techniques to maximize production efficiency within established Australian and North American regions. By aligning corporate objectives with exploration goals, the Managing Director & Chief Executive Officer ensures consistent growth in gold output. This leadership role involves constant engagement with the Board to refine capital allocation and long-term development plans. Stuart Tonkin maintains a rigorous focus on operational safety and environmental standards, which remains critical for maintaining the company's social license to operate. Through the optimization of mining portfolios, Tonkin secures the competitive market position of the organization. Ultimately, the Managing Director & Chief Executive Officer drives the overarching vision for sustainable resource extraction and shareholder value creation.

Ryan Gurner, the Chief Financial Officer at Northern Star Resources, manages the fiscal health and capital structure of the global gold mining enterprise. Gurner oversees financial reporting, treasury functions, and tax compliance across all Australian and North American operations. By implementing robust internal controls, the Chief Financial Officer ensures accurate forecasting and budget adherence for complex mining projects. This leadership role requires close collaboration with the executive team to evaluate investment opportunities in high-quality mining assets. Ryan Gurner directs the allocation of capital to support exploration and production initiatives, directly impacting the company's ability to scale operations. Through the management of financial risk and liquidity, Gurner provides the necessary stability for long-term growth. Ultimately, the Chief Financial Officer maintains the fiscal integrity required to support the strategic objectives of the organization within the competitive global gold market.

Phillip Coetzer, the Acting Chief Financial Officer at Northern Star Resources, executes financial oversight and accounting functions during the current transition period. Coetzer oversees the integrity of financial statements and ensures compliance with regulatory requirements across the company's international mining footprint. By monitoring cash flow and expenditure, the Acting Chief Financial Officer supports the operational needs of both Australian and North American mining sites. This leadership role involves providing critical financial analysis to the Board to assist in decision-making regarding asset development and exploration funding. Phillip Coetzer directs the finance department to maintain accurate reporting standards while supporting the broader strategic goals of the organization. Through the management of financial systems and internal audits, Coetzer ensures the continued stability of the company's balance sheet. Ultimately, the Acting Chief Financial Officer provides the necessary fiscal continuity to maintain momentum in gold production and exploration activities.

Simon Jessop, the Chief Operating Officer - Kalgoorlie at Northern Star Resources, directs all extraction and production activities within the Kalgoorlie region. Jessop oversees the daily performance of underground and open-pit mining assets, ensuring that production targets align with corporate output goals. By optimizing site-level workflows, the Chief Operating Officer - Kalgoorlie improves operational efficiency and reduces unit costs across the regional portfolio. This leadership role involves managing technical teams and site managers to maintain high safety standards and consistent gold recovery rates. Simon Jessop coordinates with the broader executive team to integrate regional production data into the company's global strategy. Through the application of advanced mining technologies, Jessop drives continuous improvement in site productivity. Ultimately, the Chief Operating Officer - Kalgoorlie secures the operational success of the company's most significant Australian assets through disciplined management and technical expertise.