The document discusses habits of highly effective team members. It identifies three key habits: (1) being proactive by taking initiative and going above expectations; (2) beginning with the end in mind by planning thoroughly and considering alternatives; and (3) synergizing by working well with others on cross-functional teams. Effective team members understand the skills needed for their roles, communicate goals clearly, and work together towards shared goals. The best managers lead by example and have fully committed teams.