Lencioni’s passion for organizations and teams is reflected in his writing, speaking and executive consulting. Lencioni is the author of ten best-selling books with over three million copies sold. After ten years in print, his book The Five Dysfunctions of a Team continues to be a fixture on national best seller lists. His latest book, The Advantage: Why Organizational Health Trumps Everything Else in Business, was released in March and became an immediate national best seller.