Gregory Martin Daniels was born on June 13, 1964, in New York City, New York. He is an American television comedy writer, director, and producer. His mother, Judy, worked at the New York Public Library, while his father, Aaron Daniels, served as a president of ABC Radio Network.

Daniels attended Phillips Exeter Academy and went on to graduate from Harvard University in 1984. While at Harvard, he wrote for The Harvard Lampoon, the university's long-standing humor publication founded in 1876.

Early Career and 'Saturday Night Live'

Following his graduation, Daniels began his professional writing career on the HBO sketch comedy show Not Necessarily the News. Though he was laid off due to budget cuts, his talent soon led him to NBC’s Saturday Night Live (SNL) in 1987. At SNL, Daniels became part of the writing staff and earned his first Emmy Award for Outstanding Writing for a Variety, Music or Comedy Program.

Daniels remained at SNL until 1990. In 1992, he wrote an episode for the acclaimed sitcom Seinfeld, further establishing his reputation in television comedy writing.

'The Simpsons' and Breakthrough Success

In 1993, Daniels joined the writing and producing team of The Simpsons, serving as a writer, co-producer, producer, and co-executive producer until 1996. During his time with the landmark animated series, he wrote eight episodes, several of which remain fan favorites. Notable episodes include "Homer and Apu" (1994), "Secrets of a Successful Marriage" (1994), "Bart Sells His Soul" (1995), and "Lisa’s Wedding" (1995). The latter earned Daniels an Emmy Award for Outstanding Animated Program.

After briefly writing an episode for The Dana Carvey Show in 1996, Daniels turned his efforts to co-developing King of the Hill in 1997. In this role, he helped shape numerous characters and storylines. The show went on to receive critical acclaim, including an Emmy Award for Outstanding Animated Program in 1999.

'King of the Hill' and 'The Office'

Daniels remained with King of the Hill as co-creator, executive producer, and writer until 2009. Beginning in 2005, he undertook a new challenge by developing the American adaptation of The Office for NBC. In this project, he served as developer, showrunner, executive producer, director, and writer.

The first season of The Office faced mixed reviews, but subsequent changes in tone and character development led to increased critical and audience appreciation. The series became a cultural phenomenon and won numerous awards. Daniels received the 2006 Emmy Award for Outstanding Comedy Series along with the cast and production team. The following year, he won an Emmy for Outstanding Writing for a Comedy Series.