Patrick Lencioni is one of the leading experts on executive team development and the founder and president of the Table Group, Inc., a specialized management-consulting firm focused on organizational health. While coaching and consulting CEOs and executives, Lencioni began to observe fundamental behavioral patterns among his clients and formed his original theories on leadership, which have been the basis of his books.

In addition to his books, Lencioni's leadership theories have appeared in a variety of publications, most notably the Harvard Business Review, which featured his original theory on corporate values. Lencioni's writings are based on his consulting work with numerous companies and national organizations, start-ups, universities and non-profit organizations. His clients cover a broad spectrum of industries, ranging from technology and professional services to retail and manufacturing.