The Five Dysfunctions of a Team; A Leadership Fable, 20th Anniversary Edition, 1st Edition

The Bestselling Guide to Team Leadership for Modern Managers and Organizations

For over two decades, The Five Dysfunctions of a Team has captivated readers with its compelling leadership fable and actionable insights.

When Kathryn Petersen steps in as CEO of DecisionTech, she quickly realizes her biggest challenge isn’t the competition—it’s her own team. Dysfunctional, divided, and on the brink of collapse, the leadership team threatens to take the entire company down with it. Tasked with turning things around, Kathryn must navigate resistance, tension, and deep-rooted conflicts to build a team that can truly work together.

Blending storytelling with practical business strategies, Patrick Lencioni identifies five core dysfunctions that undermine even the most talented teams. Through Kathryn’s journey, readers discover a powerful framework for fostering trust, accountability, and commitment—key ingredients for a high-performing organization.

More relevant than ever, this special anniversary edition includes a new foreword from the author reflecting on the book’s enduring impact. Whether you're a CEO, manager, or team leader, The Five Dysfunctions of a Team remains an essential roadmap for transforming group dynamics and achieving lasting success.