For over twenty-five years, Marcus Buckingham has been the world's leading researcher on strengths, engagement, and human performance. He began his career at Gallup and was the cocreator, with Donald O. Clifton, of StrengthsFinder. He is the New York Times–bestselling author or coauthor of many books, including First, Break All the Rules; Now, Discover Your Strengths; StandOut 2.0; Nine Lies about Work; and Love + Work.