About this episode

Julia Reichelstein discusses her journey from venture capital to leading a carbon removal company focused on deep well disposal of contaminated organic waste.

What do you do when you're a venture capitalist who can't stop talking about carbon removal at every meeting? You quit and start a carbon removal company, obviously. Three days later you meet the person who's been quietly running one of the largest carbon removal operations nobody's ever heard of. And then you build a company that just signed a nearly 5 million ton deal with Microsoft. That's... a lot of tons. Today's guest is Julia Reichelstein, the co-founder and CEO of Vaulted Deep. They take contaminated organic waste—the stuff nobody else wants, the sludgy, PFAS-laden, moisture-intensive material that's going to landfills or getting spread on land—and they pump it thousands of feet underground where it stays forever. They don't compete for nice clean biomass. They take the actual waste, and they get paid to take it. That's a business model I can get behind. I wanted to talk to Julia because her origin story is unusual. She didn't start with a technology and try to commercialize it. She came from venture capital, from international development in Kenya and Ethiopia, from a place of asking "what actually scales?" And when she found deep well disposal through her now co-founder…

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