The general trend that I've seen is that founders in general (successful and not) is that they have a propensity for risk thats out of line with the general pop

The general trend that I've seen is that founders in general (successful and not) is that they have a propensity for risk thats out of line with the general population - frequently (in my anecdotal experience) stemming from a strong sense of security and exposure to possibilities from a wealthy upbringing.