Brendan Foody started Mercor when he was 19 years old. Now he’s 23, worth billions on paper, and running one of the fastest-growing companies in AI history. On Thursday, his $10 billion business acquired startup Deeptune, a company Foody quietly helped fund months before buying it, Fortune learned exclusively.
Deeptune, an Andreessen Horowitz-backed startup, builds simulation environments where AI agents practice real-world tasks before touching production systems—think a flight simulator, but for AI agents learning how to use Excel, Salesforce, and Slack. Financial terms weren’t disclosed. And according to Mercor, Deeptune’s team will joining Mercor’s team in New York.
