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Alexandr Wang

Alexandr Wang is an American entrepreneur who co-founded the AI training data company Scale AI and joined Meta in 2025 to lead its AI work.

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Alexandr Wang is an American entrepreneur. In 2016 he co-founded Scale AI, a company that labels and prepares the data used to train AI models, and served as its CEO.

He joined Meta in 2025, when Meta made a large investment in Scale AI, and has since led Meta's AI research and model development organization.

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…family in an announcement titled "Introducing Muse Wonder and Muse Wonder Full: Frontier Models for Agents," which featured an introduction from Alexandr Wang.

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