A supervisor is anyone who oversees a team to ensure they are performing tasks effectively. Working as a supervisor allows you to contribute to your company while helping employees advance in their careers. If you're considering applying for a supervisor position or pursuing other leadership roles, reading tips can help you develop the skills to guide others. In this article, we discuss what a supervisor does in their role, what their responsibilities are, what it takes to become one, what you can expect in an interview for the role, and how you can be a good supervisor.