Gregory Martin Daniels (born June 13, 1963) is an American television comedy writer, producer, and director. He is known for his work on several television series, including Saturday Night Live, The Simpsons, Parks and Recreation, King of the Hill and The Office. All five shows were named among Time's James Poniewozik's All Time 100 TV Shows. Daniels attended Harvard University and he became friends with Conan O'Brien. Their first writing credit was for Not Necessarily the News, before they were laid off due to budget cuts. He eventually became a writer for two long-running series: Saturday Night Live and The Simpsons.
He joined the writing staff of The Simpsons during the fifth season, and he wrote several classic episodes including "Lisa's Wedding," "Bart Sells His Soul" and "22 Short Films About Springfield." He left the series in order to co-create another long-running animated series, King of the Hill, with Mike Judge. The series ran for thirteen years before it was cancelled in 2009, then in 2010. During the series run, he worked on several other series, including the American version of The Office and Parks and Recreation. As of 2016, he is an executive producer on the TBS series People of Earth.