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Sasha Milston
Co-founder and CEO of Transition Metal Solutions, focused on improving copper extraction by applying additive 'prebiotics' to boost microbial performance in heap leach operations.
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Jan 16, 2026
• 7min
How one startup is using prebiotics to try and ease the copper shortage
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Sasha Milston, Co-founder and CEO of Transition Metal Solutions, is on a mission to tackle the copper shortage by innovating copper extraction through prebiotics. She dives into how microbes naturally release copper from ore and critiques traditional methods that rely on isolated strains. Sasha introduces a community-focused approach using low-cost additives to enhance microbial performance, paving the way for more efficient extraction. She also shares promising lab results and plans for real-world validation, highlighting the future of sustainable copper mining.
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