Jul 2, 2026 – 10.49amNorthern Star Resources has chosen an executive from Swiss commodities giant Glencore as its new chief executive, while chairman Michael Chaney will be replaced by his deputy as an activist investor pushes for major changes at the embattled gold miner.Suresh Vadnagra will take the place of Stuart Tonkin, who announced his exit in May after the ASX’s biggest Australian-headquartered gold miner disappointed investors with a spate of production downgrades and sloppy market disclosures.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles