This project delves into the realm of organizational behavior and its impact on team development. It begins by exploring methods for building effective teams, emphasizing the importance of communication, employee involvement, and fostering teamwork. The project then analyzes various team development theories, including Tuckman's stages of team development and Deutsch's theory of competition and cooperation, offering insights into their application in real-world scenarios. Furthermore, it examines the philosophies of organizational behavior, such as motivation, individual differences, and the whole person concept, and how they influence employee behavior both positively and negatively. The relevance of team development theories is analyzed in relation to organizational behavior, highlighting how these theories can be utilized to improve team performance and achieve organizational goals. The project concludes by underscoring the significance of understanding employee behavior and implementing strategies to foster a positive work environment.