This chapter discusses leadership philosophy and styles. It explains that a leader's philosophy is based on assumptions about human nature and work, such as Theory X and Theory Y. Theory X assumes people dislike work while Theory Y assumes work can be natural. The chapter also examines three common leadership styles: authoritarian, democratic, and laissez-faire, and discusses their implications and outcomes. It emphasizes that understanding one's own philosophy and how it influences leadership style is important for becoming a competent leader.