We recognize many managers may not be able to pick and choose their team, but if at all possible, the first practical step in building a collaborative team is selecting team members with the right attitude and complemen- tary skills. Particularly, if the organization has not worked with XP before, the team members should be people who are adaptable and willing to try new ways of working, although having a few non-believers can have its advantages. In theory, XP teams have no experts – all developers work on all aspects. In reality, sometimes experts are needed when the team.