Susan Cain

Susan Cain is an American author, speaker, and former corporate lawyer. She graduated from Princeton University and Harvard Law School before leaving her legal career to explore psychology and human behavior. Her groundbreaking book Quiet: The Power of Introverts in a World That Can’t Stop Talking became an international bestseller, translated into over 40 languages, and inspired the global “Quiet Revolution.” Cain’s TED Talk, The Power of Introverts, has been viewed over 40 million times and is among the most popular ever recorded.

She later founded Quiet Revolution, an organization dedicated to empowering introverts in education, leadership, and culture. Cain’s subsequent work—including her book Bittersweet: How Sorrow and Longing Make Us Whole—continues her mission to help people embrace emotional depth and authenticity. Her writing and speaking have transformed how companies, schools, and individuals perceive personality, proving that the quiet among us are often the ones who move the world forward.