Alexandr Wang is an American entrepreneur. He has been the chief AI officer of Meta Platforms since 2025 and leads its Superintelligence Labs. He is the co-founder and former CEO of Scale AI, an artificial intelligence company that provides data labeling and large language model evaluation services to develop AI applications. In 2021, Wang became the world's youngest self-made billionaire at age 24. Forbes estimated his net worth at $3.6 billion as of April 2025.