Mercor acquires Deeptune, which builds reinforcement learning environments for AI agents, three months after CEO Brendan Foody backed Deeptune's $43M Series A (Lily Mae Lazarus/Fortune)

<a href="https://fortune.com/2026/07/09/ai-unicorn-mercor-acquires-deeptune-brendan-foody-investor-a16z-openai-anthropic/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260709/i39.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260709/p39#a260709p39" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Lily Mae Lazarus / <a href="http://www.fortune.com/">Fortune</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://fortune.com/2026/07/09/ai-unicorn-mercor-acquires-deeptune-brendan-foody-investor-a16z-openai-anthropic/">Mercor acquires Deeptune, which builds reinforcement learning environments for AI agents, three months after CEO Brendan Foody backed Deeptune's $43M Series A</a></b></span>&nbsp; &mdash;&nbsp; Brendan Foody started Mercor when he was 19 years old.&nbsp; Now he's 23, worth billions on paper, and running one of the fastest-growing companies in AI history.</p>