Marcus Buckingham, senior vice president of The Gallup Organization, is coauthor of the bestselling book First, Break All the Rules. A featured speaker at the Washington Speakers Bureau, he has appeared on CNN International, CNBC's Power Lunch, and NPR's Morning Edition, among other programs. He and his wife, Jane, live in New York City. Donald O. Clifton was named the Father of Strengths Psychology by the American Psychological Association and is the chief designer of the StrengthsFinder profile. He lives in Lincoln, Nebraska.Donald O. Clifton is the author of 'Now, Discover Your Strengths', published 2001 under ISBN 9780743201148 and ISBN 0743201140.