Susan Cain is an American writer and lecturer widely recognized as an authority on introversion and personality. An honors graduate of Princeton and Harvard Law School, she spent years as a corporate lawyer and negotiations consultant before publishing her record-breaking bestseller, “Quiet: The Power of Introverts in a World That Can’t Stop Talking.” Her extensive research, viral TED Talk, and founding of the Quiet Revolution have redefined global perceptions of the value and strengths of introverted individuals.