This document provides an overview of leadership theories and approaches. It begins by defining leadership as the ability to influence people toward organizational goals. It then distinguishes between leadership and management, noting that leaders focus on vision and change while managers focus on stability and problem-solving. Several behavioral approaches to leadership are discussed, including consideration/initiating structure, employee-centered vs job-centered styles, and Blake and Mouton's leadership grid. Contingency theories are also summarized, such as Fiedler's contingency theory linking leadership style to situational favorability. Overall, the document reviews key concepts in understanding the nature of leadership.