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Entrepreneur, investor, and programmer. Co-founder of Loopt, CEO of OpenAI, and former president of Y Combinator.
Co-author of "Agile Web Development with Rails" and "Getting Real." Co-writer of "Rework," "Remote," and "It Doesn't Have to Be Crazy at Work" with Jason Fried.
Essayist, mathematical statistician, former option trader, risk analyst, and aphorist. Work concerns problems of randomness, probability, and uncertainty.
Upcarta community
Making a living via a portfolio of small bets.