Brendan Foody joins the #ForbesBillionaires list at just 22 years old, making him one of the world’s youngest self-made billionaires.⁣ ⁣ He cofounded Mercor in 2023, building the startup into a fast-growing recruiting platform for AI labs. Private investors valued the company at $10 billion in 2025, and Foody holds an estimated 22% stake while serving as CEO.⁣ ⁣ See the full list at the link in our bio. ⁣ 📸: Cody Pickens for Forbes