I have been aware of this important insight into team management and motivation for years, but I need to use it as part of a presentation I am building. I say,

Strong Teams are based on a balanced blend of imperfect players.

And I found these links

• Google Search on “Belbin team”
• Team Roles at belbin.com
• belbin.com
• Someone’s been iconising the team roles, this is a google images hit