Modern Mining November 2025

MINING NEWS

Barrick appoints Mark Hill as interim CEO as Bristow departs

major projects across the world, and was also integral in the initial decision to undertake exploration at the Fourmile gold project in Nevada. The Search Committee of the Board, chaired by Brett Harvey, has embarked on a process to identify a permanent President and CEO. Bristow is stepping down as CEO after nearly seven years having joined Barrick following Barrick’s merger with Randgold in 2019. n

Global mining company, Barrick Mining Corporation has appointed Mark Hill as Group COO and and Chief Executive Officer, effective immediately, following the departure of Mark Bristow. Hill, who is currently responsible for Barrick’s Latam and Asia Pacific regions, is a seasoned mining executive with 30 years of experience. He joined Barrick in 2006 and has experience in strategy, corporate development and leading

Mark Bristow departs Barrick.

Newmont names Natascha Viljoen as next CEO Newmont Corporation has announced, as part of the company’s long-term leadership succession planning, that Tom Palmer, who has served as CEO since 2019, will resign from its Board of Directors and as CEO on December 31, 2025. Natascha Viljoen, Chief Operating Officer (COO), will succeed Palmer as President and CEO and will also join the Board of Directors on January 1, 2026. Palmer will serve as Strategic Advisor until his retirement on March 31, 2026, to support a seamless leadership transition. Viljoen joined Newmont in 2023 as EVP and COO, bring- ing with her more than three decades of global leadership experience across multiple commodities and continents. Prior to joining Newmont, she served as CEO of Anglo American Platinum (now Valterra), the world’s largest primary producer of platinum. n

Orion Minerals underground operations at the Prieska Copper-Zinc Project.

Orion appoints Johan van Dyk as Project Director

capacity within the executive leadership at the operations supporting enhanced operational delivery. Before joining Orion, Van Dyk worked at Palabora Mining Company for the past 26 years. Prior to that he worked for the South African Iron & Steel Corporation (ISCOR), the South African Oil from Coal Corporation (Sasol) and Rio Tinto’s North Parkes Mines in NSW Australia. n

ASX-listed Orion Minerals has appointed Johan van Dyk as Orion’s Project Director. The appointment is in support of the operational readiness activities currently underway. Van Dyk is a strategic executive leader with more than 40 years’ experience in coal and base metals, high volume production, projects and ESG environments. He has led large multi- disciplined teams and built

Natascha Viljoen is Newmont’s next CEO.

4  MODERN MINING  www.modernminingmagazine.co.za | NOVEMBER2025

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