Michael Hyatt is the CEO of Thomas Nelson Books and is by all accounts, an outstanding leader, as well as an introvert. His blog is one of the top 10 Christian blogs. He has a post this week about how introverts and extroverts can benefit from each other. It's first and foremost about marriage but he is also touches on leadership, community, and a few other topics. I think you'll want to check it out.
How Introverts and Extroverts Can Benefit from One Another - Michael Hyatt