Ryan Holiday is one of the world's foremost thinkers and writers on ancient philosophy and its place in everyday life. He is a sought-after speaker, strategist, and the author of many bestselling books including The Obstacle Is the Way; Ego Is the Enemy; The Daily Stoic; and the #1 New York Times bestseller Stillness Is the Key. His books have been translated into over 30 languages and read by over two million people worldwide. He lives outside Austin, Texas, with his family.

Stephen Hanselman has worked for more than three decades in publishing as a bookseller, publisher and literary agent. He is a graduate of Harvard Divinity School, where he received a master's degree while also studying extensively in Harvard's philosophy department. He lives with his family in South Orange, New Jersey.