u201cTeamwork remains the one sustainable competitive advantage that has been largely untapped.u201dPatrick Lencioni
Katzenbach and Smith in their book u201cThe Wisdom of Teamsu201d (1993) defined a real team as u201ca small number of people with complementary skills who are committed to a common purpose, performance goals, and approach for which they hold themselves mutually accountable.u201d u00a0Katzenbach and Smith went on to identify three critical categories for complementary skills for teams to be high-performing teams: