Extraverts influence coworkers best by working in teams. Introverts influence coworkers best by doing their own thing and setting an example.
“In this age, and this country, public sentiment is every thing. With it, nothing can fail: against it, nothing can succeed. Whoever moulds public sentiment, goes deeper than he who enacts statues, or pronounces judicial decisions. He makes possible the inforcement of these, else impossible.”
– Abraham Lincoln