This chapter introduces public speaking and its benefits. It discusses how public speaking skills can enhance one's career as a student by learning research, analysis, outlining and supporting claims. These skills also apply to civic engagement by allowing one to consider different viewpoints on meaningful topics. The chapter then covers the classical roots of public speaking in ancient Greece and how Aristotle developed the canons of rhetoric. It emphasizes that public speaking is an acquired skill that improves with practice, and draws similarities between public speaking and conversation as well as composition skills. The chapter concludes by framing public speaking as an interactive communication process between a speaker and audience within a given context and rhetorical situation.