[keiferski]

You're equating tech entrepreneurs with entrepreneurs on the whole. There's a big business world outside of tech.

Case in point: Richard Branson. Arguably one of the most charismatic entrepreneurs around.

[eladgil]

Agreed, charisma can be a huge asset. But it is not necessarily an indicator of a good entrepreneur, and it is not a pre-requisite. I think the other 2 traits are :)