Bush is at least the 6th CEO to lose the job amid pressure from the activist hedge fund. :
Everyone who knows Jonathan Bush—Athenahealth’s CEO and co-founder, who resigned Wednesday following reports of inappropriate behavior—knows he says (and does) things public company CEOs aren’t supposed to say (or do). Still, they probably wouldn’t have cost Bush his job had it not been for Elliott Management, the activist hedge fund that a month ago made a hostile takeover bid for Athenahealth—and which has an unprecedented knack for toppling leaders, corporate and political.