Connect with your passion. If people are working on projects they enjoy, they will be more creative, says Fregger
Think like a boss. "We encourage our employees to think like owners ... It frees up a lot of the boundaries," says Wendy Miller, chief marketing officer for Bain & Co.
Embrace diversity. Miller says Bain recruits people from top business schools as well as concert violinists and top athletes. "That diversity is very helpful in not getting too narrow and bogged down," she says.