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

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

Meet the People Taking over Hacker News

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…

Sam Altman for President

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…

New YC Partner Investment Policy

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…

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