The Five Dysfunctions of a Team by Patrick M. Lencioni (Author)

After her first two weeks observing the problems at DecisionTech, Kathryn Petersen, its new CEO, had more than a few moments when she wondered if she should have taken the job. But Kathryn knew there was little chance she would have turned it down. After all, retirement had made her antsy, and nothing excited her more than a challenge. What she could not have known when she accepted the job, however, was just how dysfunctional her team was, and how team members would challenge her in ways that no one ever had before.