The Williams, Parker, and Turner (2010) article discusses teams that perform proactively. Think about a time when you worked on a proactive team and another time when you worked on a reactive team. What were the prevailing characteristics of the team leader and team members in each of those situations?
Article: Proactively performing teams: The role of work design, transformational leadership, and team composition by Helen M. Williams'* Sharon K. Parker^ and Nick Turner^.