Susan Cain started the Quiet Movement, which revolutionized how the world sees introverts—and how introverts see themselves. She is also the author of Bittersweet: How Longing and Sorrow Make Us Whole. Her writing has appeared in The New York Times, The Atlantic, The Wall Street Journal, and elsewhere, and her TED Talk has been viewed more than 40 million times. She was named one of the world’s top 50 Leadership and Management Experts by Inc., and one of LinkedIn’s top ten influencers.