A choreographer is a person who creates and arranges dance movements for performances. They work with dancers to develop routines that express emotions or tell a story through movement. Choreographers often collaborate with other artists, such as musicians and costume designers, to bring their vision to life on stage. In addition to creating dance pieces for theater, a choreographer may also work in various settings, including film, television, and even fitness classes. They need a strong understanding of different dance styles, such as ballet, hip-hop, or contemporary, to effectively communicate their ideas and inspire dancers to perform at their best.