Forbes January 21, 2026
Daniel Nadler, the 42-year-old CEO and cofounder of OpenEvidence is worth $7.6 billion as his AI search tool gains popularity among U.S. doctors.
Three years ago, Daniel Nadler launched OpenEvidence, an AI-based search tool that helps doctors get answers to complicated clinical questions quickly and easily. Now, the startup’s latest $250 million fundraise, which doubled its valuation to $12 billion, has made Nadler twice as rich. Forbes estimates that the Miami-based AI founder is now worth $7.6 billion, up more than 100% from his $3.6 billion net worth in late October.
OpenEvidence has quickly become one of the hottest AI startups in the healthcare sector. Today some 740,000 physicians — about 45% of doctors in the United States — use...
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