The purpose of the study is to investigate the relationship between Managers Emotional Intelligence and Team Effectiveness. Team effectiveness are measured in two ways, cohesiveness and goal attainment while Managers Emotional Intelligence as has its dimensions as self-management, self-awareness and social-awareness. The methodology here is based on theoretical & conceptual literature review. It regards emotions and the conditions that might contribute to team effectiveness. Findings revealed that there is a strong and positive significant relationship between the study variables. The study then recommends that management should implement strategies that will encourage emotional intelligence and its dimension such as self-awareness, self-management, and social-awareness in order to achieve organizational goals.