This document summarizes several theories of leadership, including trait theories that identify personality and intellectual traits that differentiate leaders, behavioral theories that examine specific leader behaviors, and contingency theories that propose effective leadership depends on situational factors. It discusses traits like intelligence, responsibility, competence. behavioral styles of concern for tasks vs people, and directive vs participative leadership. Contingency theories covered include Fiedler's model linking leader style to situation control, path-goal theory focusing on assisting followers, and situational leadership theory proposing the right style depends on follower readiness. It contrasts managers who do things right with leaders who do the right things and produce change.