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Paul Graham

Founder, Retired

Paul Graham 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 i...

Roles at Y Combinator

  • Founder, Retired

    Current role

Org chart

Board & Advisors

Robert Morris

Founder, Retired

Trevor Blackwell

Founder & Expert

Sam Altman

Advisor
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Related people

Robert Morris

Y Combinator

Bob Hammond

Resonant

Greg Armstrong

Plains All American
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