The effectiveness of teams was one of the most important developments of the project management uprising during the 1970s. The critical significance of the effective project team has since been considered intrinsic to overall project management and organizational performance. Effective teams are essential for the successful delivery of an organisation’s overall strategic objectives. Research tells us that effective teams will almost always outperform people working individually. Building and managing effective teams is both an art and a science, and is one of the most important responsibilities a manager has. Growing and managing effective teams requires commitment and continuous input from managers. Without an understanding of the role leadership plays in building and managing successful teams, or an understanding of the stages of team development, the different work styles of employees and how to empower and nurture the individual as well as group capabilities, potentially successful teams can fall short of success. An understanding of how teams function effectively is invaluable for building and managing effective Teams.