Conan O'Brien is a talk show host.
Conan O'Brien . Afterwards , O'Brien relocated from New York to Los Angeles to host his own incarnation of The Tonight Show for seven months until network politics prompted a host change in 2010 . The Tonight Show with Conan O'Brien was an American late-night talk show that featured Conan O'Brien as host from June 1 , 2009 , to January 22 , 2010 , as part of NBC 's long-running Tonight Show franchise .