Conan O'Brien is one of the king's of late night comedy. He has hosted Late Night with Conan O'Brien for over 15 years and is set to take over for Jay Leno on the Tonight Show June of 2009.
O'Brien, a Harvard graduate and former writer for the Harvard Lampoon, started out his comedic career writing for television. He began working as writer for Saturday Night Live and then went on to write and produce for The Simpsons from 1991-1993. His foray into hosting begain in 1993 when took over David Letterman's Late Night spot.
He has had the job ever since, having created a world of memorable sketches, characters, and interviews. He also hosted the 58th Emmy Awards to much acclaim and has done a variety of voice work, guest appearances, and writing along the way.