Susan Cain

Susan Cain is an American nonfiction writer and lecturer best known for *Quiet: The Power of Introverts in a World That Can’t Stop Talking* (2012). The book examines introversion and argues that modern culture often undervalues quiet, reflective temperaments. Cain has also written *Bittersweet: How Sorrow and Longing Make Us Whole* (2022), exploring the emotional and creative power of melancholy and longing. She is the creator of the Quiet Revolution, a project associated with her work on introversion and temperament. Cain’s writing and talks have helped popularize research on personality, sensitivity, and the social dynamics of work and education, reaching a wide international audience.