Belbin’s Team Roles Model is the most popular model for understanding team dynamics. It has been used in over 100 different countries and has been translated into more than 20 languages. Belbin’s Team Roles Model is a tool that helps leaders to understand the strengths and weaknesses of their teams and create a successful team. The model was developed by John D. Belbin, who was an industrial psychologist in the UK. The model consists of four roles - leader, follower, supporter and challenger - which can be combined with four styles - directive, democratic, autocratic, authoritative.