The project team that is responsible for providing flexibility and innovation to this structure in order to enable organizations to remain successful (1). The very nature of the project team's work underpins a collective task much more complex than that assumed by other types of work teams. The aim of this paper is to explore the main factors that determine the project team effectiveness.The research methodology was the literature review. The main finding reveals that the organizational structure of projects and the project team should not be considered as a panacea for all problems of organizational effectiveness.