According to Adam Grant, professor at Wharton, introverts make good leaders when the people they are leading
So if you have really passive employees — people wait for direction from higher ups, need being told what to do — extroverts provide a vision and a strategy and energize followers to step up and contribute. He found indeed that extroverts, “when they had passive employees, their stores were about 16% more profitable than introverts’ stores.”
But with proactive employees who take initiative to bring new ideas, to make suggestions, to come up with better ways of getting work done? Under those circumstances, introverts brought in 14 percent higher profits.” Figure that out. Read his book to find out why.