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Entrepreneur, investor, and programmer. Co-founder of Loopt, CEO of OpenAI, and former president of Y Combinator.
Irish billionaire entrepreneur. Co-founder and CEO of Stripe. Winner of the 41st Young Scientist and Technology Exhibition in 2005. Founder of Fast Grants.
Working on @visualizevalue.
Entrepreneur & investor. @atrium
CEO of Y Combinator and co-founder of Initialized Capital. Co-founder of Posterous and Posthaven, and an early employee at Palantir Technologies.