Conan Christopher O'Brien (born April 18, 1963) is an American television host and comedian.
He served as host of Late Night with Conan O'Brien from 1993 to 2009, followed by the short-lived The Tonight Show with Conan O'Brien from 2009 to 2010.
Prior to his hosting career, O'Brien was a writer for Saturday Night Live and the animated series The Simpsons.