Conan Christopher O'Brien (born April 18, 1963) is an American television host and comedian.<br /><br />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.<br /><br />Prior to his hosting career, O'Brien was a writer for Saturday Night Live and the animated series The Simpsons.