n our outgoing, Type-A business culture, introverts can feel excluded, overlooked or misunderstood, their reticence mistaken for arrogance or even lack of intelligence. And their inconsistent people skills often cause their careers to plateau. But Jennifer Kahnweiler shows that not only can introversion be managed, it can even be a source of strength. Ask Bill Gates or Warren Buffett, leaders she cites as shy introspectives who have developed ways to thrive in a challenging environment.