Most consulting teams differentiate individual roles within the team. In this way they get the best out of a team effort. The exact profile of roles varies. Often the following roles make an appearance:

These roles are discussed more fully in Section 10.1.
Discuss, as a group, how each role might contribute to each stage of the consulting process. You may care to set up a grid summarising your ideas (stages vertically and roles horizontally). Retain this for planning individual involvement in the project when the project charter is developed.