One of the terms of Meta's $14.3 billion investment in Wang's company, Scale AI, was that he joins Meta in a leadership role. Alexandr Wang is leaving Scale AI, the startup he founded in 2016 — that made him the world's youngest self-made billionaire — to join Meta. Related: Meta Is Reportedly Offering Up to Nine-Figure Pay for Researchers on Its New Superintelligence AI TeamWho Is Alexandr Wang? The idea for Scale AI came to Wang when he was still an MIT student, he told El País. Scale AI now works with the likes of OpenAI, Meta, and Microsoft, according to its site.