Conan Christopher O'Brien is an American television host, comedian, actor, writer, podcaster, and producer. He is best known for having hosted late-night talk shows for almost 28 years, beginning with Late Night with Conan O'Brien (1993–2009) and The Tonight Show with Conan O'Brien (2009–2010) on the NBC television network, and Conan (2010–2021) on the cable channel TBS. Prior to his hosting career, he was a writer for Saturday Night Live (1987–1991) and The Simpsons (1991–1993).