Paul Graham

Paul is a cofounder of YC. He is the author of On Lisp (1993), ANSI Common Lisp (1995), and Hackers & Painters (2004). In 1995, he and Robert Morris started Viaweb, the first SaaS company, which in 1998 became Yahoo Store. In 2002 he discovered a simple spam filtering algorithm that inspired the current generation of filters. He has an AB from Cornell and a PhD in Computer Science from Harvard.

The Airbnbs

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To celebrate Airbnb’s IPO and to help future founders, I thought it might be useful to explain what was special about Airbnb.

Dec 10, 2020

Meet the People Taking over Hacker News

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I did several different things while I was working on Hacker News, and these will now be taken over by different people. Kevin Hale (HN id kevin) will…

Mar 29, 2014

Sam Altman for President

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I’m delighted to announce that Sam Altman has agreed to become president of Y Combinator starting next batch.  I’ll continue to do office hours with startups, but Sam…

Feb 21, 2014

New YC Partner Investment Policy

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As of this batch we’re introducing a new policy for investments by YC partners in the companies we fund. YC partners have invested in the startups we fund…

Jan 31, 2014
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