Genghis Khan knew something all leaders should know. To be highly effective, the size of a team matters. In Khan’s military system, a fighting force was built from units of 10 (aravt), 100 (zuut), 1,000 (mingghan) and 10,000 (tumen), each with a leader reporting to the next highest level. The building blocks of 10 allowed Khan to create highly cohesive and skilled teams where flexibility and innovation thrived when tested in battle.
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We are trying to implement the Team of Teams Model in smaller organization where most teams will have 3 to 5 people.