AI Startup Founder Becomes Billionaire By Building "ChatGPT For Doctors"

Daniel Nadler, cofounder and CEO of OpenEvidence, has joined the billionaire ranks by developing an AI tool designed to help doctors stay on top of medical research, Forbes Daily reported.

Since launching in 2022, OpenEvidence has signed up 40% of U.S. doctors—over 430,000—and is growing by 65,000 users per month. I Photo: The Founding College of the University of Toronto 

OpenEvidence scans millions of peer-reviewed publications—including The New England Journal of Medicine and JAMA—to provide physicians with fast, citation-backed answers.

The platform is free for verified doctors and generates revenue through advertising, much like Google’s business model.

Since launching in 2022, OpenEvidence has signed up 40% of U.S. doctors—over 430,000—and is growing by 65,000 users per month. The startup has an annualized ad revenue of $50 million and recently raised $210 million in new funding at a $3.5 billion valuation.

Investors include GV (Google Ventures), Kleiner Perkins, Coatue, Conviction, and Thrive Capital. Nadler owns roughly 60% of the company, putting his estimated net worth at $2.3 billion.