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February 7, 2025

Bill Gates bets on stealthy French startup racing to uncover buried hydrogen: ‘It could be gigantic.’

“Natural hydrogen is magic,” says Mantle8 founder Emmanuel Masini

Freya Pratty

3 min read

French geologist Emmanuel Masini knew nothing about venture capital and wasn’t trying to raise a round when he landed term sheets from three big-time investors — including Bill Gates.

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Freya Pratty

Freya Pratty is Sifted's associate editor. She covers UK tech and leads Sifted's investigations. Follow her on X , LinkedIn and Bluesky

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