A team is a unit of two or more people who interact and coordinate their work to accomplish a specific goal. Teams have become the primary way in which many companies accomplish their work. Good teams can be highly productive, but teams aren’t always successful. In my opinion a successful team is a team that each team member knows their role, individually, and tries to accomplish their goals. The biggest problem in a team is when you have a team member who wants to do other roles that he or she was not pertained to do. The bigger the team, the more responsible the leader of the team has to be. The leader must know whom he or she is dealing with, the team consists of subordinates with different backgrounds, personalities, characteristics.