Daniel "Dan" Greaney is an American television writer. He has written for The Simpsons and The Office. He was hired during The Simpsons‍ '​ seventh season after writing the first draft of the episode "King-Size Homer", but left after season eleven. He returned to the Simpsons staff during the thirteenth season. He attended Harvard College, where he was president of Harvard Lampoon and editor of the Harvard Lampoon's nationally distributed parody of USA Today.