I imagine one reason investors like co-founded start ups is because of the bus factor: http://en.wikipedia.org/wiki/Bus_factor http://en.wikipedia.org/wiki/Bus_

I imagine one reason investors like co-founded start ups is because of the bus factor: http://en.wikipedia.org/wiki/Bus_factor http://en.wikipedia.org/wiki/Bus_factor Or boiled down: less dependency on a single person.