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- Want to start a startup?  Get funded by
 
- Y Combinator.
 
- October 2010
 
- (I wrote this for Forbes, who asked me to write something
 
- about the qualities we look for in founders.  In print they had to cut
 
- the last item because they didn't have room.)1. DeterminationThis has turned out to be the most important quality in startup
 
- founders.  We thought when we started Y Combinator that the most
 
- important quality would be intelligence.  That's the myth in the
 
- Valley. And certainly you don't want founders to be stupid.  But
 
- as long as you're over a certain threshold of intelligence, what
 
- matters most is determination.  You're going to hit a lot of
 
- obstacles.  You can't be the sort of person who gets demoralized
 
- easily.Bill Clerico and Rich Aberman of WePay 
 
- are a good example.  They're
 
- doing a finance startup, which means endless negotiations with big,
 
- bureaucratic companies.  When you're starting a startup that depends
 
- on deals with big companies to exist, it often feels like they're
 
- trying to ignore you out of existence.  But when Bill Clerico starts
 
- calling you, you may as well do what he asks, because he is not
 
- going away.
 
- 2. FlexibilityYou do not however want the sort of determination implied by phrases
 
- like "don't give up on your dreams."  The world of startups is so
 
- unpredictable that you need to be able to modify your dreams on the
 
- fly.  The best metaphor I've found for the combination of determination
 
- and flexibility you need is a running back.  
 
- He's determined to get
 
- downfield, but at any given moment he may need to go sideways or
 
- even backwards to get there.The current record holder for flexibility may be Daniel Gross of
 
- Greplin.  He applied to YC with 
 
- some bad ecommerce idea.  We told
 
- him we'd fund him if he did something else.  He thought for a second,
 
- and said ok.  He then went through two more ideas before settling
 
- on Greplin.  He'd only been working on it for a couple days when
 
- he presented to investors at Demo Day, but he got a lot of interest.
 
- He always seems to land on his feet.
 
- 3. ImaginationIntelligence does matter a lot of course.  It seems like the type
 
- that matters most is imagination.  It's not so important to be able
 
- to solve predefined problems quickly as to be able to come up with
 
- surprising new ideas.  In the startup world, most good ideas 
 
- seem
 
- bad initially.  If they were obviously good, someone would already
 
- be doing them.  So you need the kind of intelligence that produces
 
- ideas with just the right level of craziness.Airbnb is that kind of idea.  
 
- In fact, when we funded Airbnb, we
 
- thought it was too crazy.  We couldn't believe large numbers of
 
- people would want to stay in other people's places.  We funded them
 
- because we liked the founders so much.  As soon as we heard they'd
 
- been supporting themselves by selling Obama and McCain branded
 
- breakfast cereal, they were in.  And it turned out the idea was on
 
- the right side of crazy after all.
 
- 4. NaughtinessThough the most successful founders are usually good people, they
 
- tend to have a piratical gleam in their eye.  They're not Goody
 
- Two-Shoes type good.  Morally, they care about getting the big
 
- questions right, but not about observing proprieties.  That's why
 
- I'd use the word naughty rather than evil.  They delight in 
 
- breaking
 
- rules, but not rules that matter.  This quality may be redundant
 
- though; it may be implied by imagination.Sam Altman of Loopt 
 
- is one of the most successful alumni, so we
 
- asked him what question we could put on the Y Combinator application
 
- that would help us discover more people like him.  He said to ask
 
- about a time when they'd hacked something to their advantage—hacked in the sense of beating the system, not breaking into
 
- computers.  It has become one of the questions we pay most attention
 
- to when judging applications.
 
- 5. FriendshipEmpirically it seems to be hard to start a startup with just 
 
- one
 
- founder.  Most of the big successes have two or three.  And the
 
- relationship between the founders has to be strong.  They must
 
- genuinely like one another, and work well together.  Startups do
 
- to the relationship between the founders what a dog does to a sock:
 
- if it can be pulled apart, it will be.Emmett Shear and Justin Kan of Justin.tv 
 
- are a good example of close
 
- friends who work well together.  They've known each other since
 
- second grade.  They can practically read one another's minds.  I'm
 
- sure they argue, like all founders, but I have never once sensed
 
- any unresolved tension between them.Thanks to Jessica Livingston and Chris Steiner for reading drafts of this.
 
 
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