<p><strong>Ryan Holiday </strong>is a strategist and writer. He dropped out of college at nineteen to apprentice under Robert Greene, author of <em>The 48 Laws of Power</em>, and later served as the 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. </p><p>Holiday is bestselling author of <em>Growth Hacker Marketing</em>, <em>The Obstacle is the Way</em> and <em>Ego is the Enemy</em>. His books have been translated into 25 languages and his writing has appeared everywhere from the <em>Columbia Journalism Review</em> to <em>Fast Company</em>. He lives on a small ranch outside Austin, Texas.</p><p>Follow Ryan on Twitter @ryanholiday, Facebook/ryanholiday and visit his website www.ryanholiday.net</p>