This thesis research was based on studying the factors of team building and its different stages. With the information provided by already existing data the goal is to discover different factors that affects to team building processes. By understanding the different stages and factors organization can build a high-performance and cohesive team with best possible outcome.

Theoretical part describes two models: Tuckman’s mode of team development (1965) and model of Team building introduced by William G. Dyer in Team Building: Proven Strategies for Improving Team Performance (2007). Models describes the stages team is going to through from beginning to end, the different factors that affects team development and possible ways that team leader, manager or a team member can make an impact for building an effective team. Also, the thesis takes in consider the fact that multicultural teams are becoming more common in organizations and teams, which is why the thesis covers subjects like conflicts and diversity as separate.

In the models is discussed the team building phases from starting point until task is finished. During the explanation of phases there are studies and views established by different scientists and professionals based on the subject. Research is gathered from the field business, psychology, and sports.

With understanding the factors and stages of team building practices and development organization has opportunity to build a highly successful team. By also understanding why multicultural and global teams are increasing, what possibilities and threats it includes, and how they should be managed, increases the possibility to successful outcome.