RYAN HOLIDAY is a strategist and expert on stoic philosophy, among many other subjects. He dropped out of college at 19 to apprentice under Robert Greene, author of The 48 Laws of Power, and later served as director of marketing for American Apparel. His company Brass Check has advised clients like Google, Taser, and Complex, as well as many prominent bestselling authors. Holiday has written four previous books, most recently The Obstacle is the Way, which has been translated into 17 languages and has a cult following among NFL coaches, world-class athletes, TV personalities, political leaders, and others around the world. He lives on a small ranch outside Austin, Texas.