Michael has a post about the best characters of an Entrepreneur. I think that other qualities matter.
To start this adventure in the first place you will need a load of curiosity and a passion to learn.
You need to have an adventurous nature and the courage to go on this journey to the unknown.
You must keep on the journey and not turn back, this requires drive to keep on when things look bleak.
You must know by now that I am an integrity freak
You will be meeting and needing other people on the way and must respect them help them.