Alexandr Wang, the former Scale AI co-founder, has been leading Meta Superintelligence Labs since June 2025, when Meta invested $14.3 billion in Scale AI for a 49% stake. In April 2026, MSL launched the Muse Spark model family, followed by the Muse AI app in September 2026, which climbed to No. 1 in the Apple App Store. Meta’s stock rose by nearly 20% after the app’s debut. A post on X has offered fresh endorsement of Wang, citing his strategic thinking and obsession with talent.
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