#3
Alexandr Wang — Billionaire at 25 (Scale AI)
$14B Scale AI. Used by OpenAI and Pentagon. Picks-and-shovels of AI.
Alexandr Wang dropped out of MIT at 19 to co-found Scale AI, which became essential AI infrastructure for clients like OpenAI, Meta, and the U.S. Department of Defense. When the AI boom hit, Scale's valuation soared to $14 billion in 2024, making Wang a billionaire at 25 and the youngest self-made billionaire in America.
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