* His confidence can make him charismatic and persuasive.
* He is also prone to making enemies and feels he is persecuted by those who do not accept his vision and mission."
hm, this reads like the next line should be "he is the most interesting man in the world"...
In the real world, this means the visionary plans and energy levels experienced during hypomania are most likely to be washed away in a tide of depression, or lead to the sufferer doing something irrational like joining a pyramid marketing scheme. There will be exceptions, particularly in creative fields or environments where the sufferer is able to coast or be supported through the negative cycles. Ever work with one of those people who slacks off and fails to meet their schedule most of the time, but occasionally delivers something incredible out of nowhere in the space of a few days?
So, are entrepreneurs hypomanic? The real lesson of this article is to beware of how easy it is to confuse DSM-style bullet point symptom lists with medical diagnoses.