Conan O'Brien is an American television host, comedian, and writer, best known for his late-night talk shows. He began his career as a writer for Saturday Night Live and The Simpsons, where he contributed to some of the show's most memorable episodes. In 1993, he took over as host of Late Night with Conan O'Brien, where he gained popularity for his unique humor and quirky sketches. In 2009, O'Brien became the host of The Tonight Show, but his tenure was short-lived, lasting only seven months. He later launched his own show, Conan, on TBS, which ran until 2021. O'Brien is recognized for his distinctive style and has won several awards throughout his career.