The document discusses building effective teams and the role of managers in that process. It defines a team and what it means to build an effective one. Managers should help teams become cohesive, mediate conflicts, and act as coaches by understanding management styles. Managers build teams by planning for uncertainties, identifying individual contributions, encouraging creativity, questioning processes, and being decisive while empowering the team. Barriers to success include organizational, managerial, and interpersonal issues that managers must address.