Alexandr Wang’s run at Meta Superintelligence Labs draws a fresh endorsement

Alexandr Wang is getting another public vote of confidence. A post on X this week endorsed him as the right person to lead Meta Superintelligence Labs, singling out his strategic thinking and his obsession with talent. How Wang ended up running Meta’s AI ambitions Meta Superintelligence Labs, or MSL, launched on June 30, 2025. CEO Mark Zuckerberg unveiled it in an internal memo that reorganized the company’s AI efforts under one roof. Wang was named Chief AI Officer and head of MSL that same day. The appointment came alongside a deal that made it hard to miss. Meta invested $14.3 billion in Scale AI, the data company Wang co-founded. That money bought a 49% stake and valued Scale AI at approximately $29 billion. Wang stepped down as Scale AI’s CEO to take the job. He still sits on the company’s board. MSL includes several subgroups, among them TBD Lab, which focuses on frontier models. In July 2025, MSL named Shengjia Zhao as Chief Scientist. The results that make the praise stick In April 2026, MSL launched the Muse Spark model family, the first of its Muse models. In September 2026, Meta rolled out the Muse AI app. It climbed to No. 1 in the Apple App Store. Meta’s stock rose by ...