---
name: "Warren Lieberstein"
canonical: "https://film.one/person/warren-lieberstein"
fi1m_id: "warren-lieberstein"
imdb_id: "nm0509426"
tmdb_id: 1225604
wikidata_id: "Q7970355"
roles: ["Writer"]
born: "20 September 1968"
reviewed_on_fi1m: 1
average_as: "writer"
average_over: 1
updated: "2026-09-17T23:05:44.324689+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Warren Lieberstein

## Identity

Warren Lieberstein

- **Canonical:** https://film.one/person/warren-lieberstein
- **Type:** Person
- **Fi1m ID:** warren-lieberstein
- **IMDb ID:** nm0509426
- **TMDB ID:** 1225604
- **Wikidata ID:** Q7970355
- **Same entity:** https://en.wikipedia.org/wiki/Warren_Lieberstein, https://www.wikidata.org/wiki/Q7970355, https://www.imdb.com/name/nm0509426/, https://www.themoviedb.org/person/1225604

Writer. Born 20 September 1968 in Westport, Connecticut, USA.

## Details

- **Work:** Writer
- **Born:** 20 September 1968, Westport, Connecticut, USA
- **Elsewhere:** https://en.wikipedia.org/wiki/Warren_Lieberstein, https://www.wikidata.org/wiki/Q7970355, https://www.imdb.com/name/nm0509426/, https://www.themoviedb.org/person/1225604

## Streaming the US now

- **Peacock:** [*The Office*](https://film.one/tv/the-office-2005.md) (77)

For United States; add `?region=XX` for another country.

## Biography

Warren Lieberstein is an American television writer and producer. Born on 20 September 1968 in Westport, Connecticut, he began writing for television in the late 1990s and early 2000s on series including the sketch comedy *Hype* (2000) and *All of Us* (2003). He contributed episodes to *Second Time Around*, *Modern Men* and *Carpoolers*.

Lieberstein joined the writing staff of *The Office* (2005) at the end of its fifth season and later served as a producer. He co-wrote several episodes with Halsted Sullivan, including "Cafe Disco" (2009), "Koi Pond" (2009), "Whistleblower" (2010), "China" (2010), "After Hours" (2012), "Turf War" (2012) and "Paper Airplane" (2013). He received a Writers Guild of America award nomination for his work on the series. He has also written for *Back in the Game* (2013) and *Hit the Road* (2017).

He is the brother of writer and actor Paul Lieberstein and of producer Susanne Daniels, who is married to *The Office* creator Greg Daniels.

*Sources: en.wikipedia.org, imdb.com.*

## On Fi1m (1)

- *The Office* (2005), Fi1m 77, Writer — [page](https://film.one/tv/the-office-2005.md)

## Complete filmography (9)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Lucky Hank* (2023), series, Consulting Producer
- *Back in the Game* (2013), series, Writer
- *Carpoolers* (2007), series, Writer
- *The Office* (2005), series, as Rory Flenderson · Writer, Producer, Consulting Producer, Supervising Producer, Co-Executive Producer, Co-Producer — Fi1m 77, [page](https://film.one/tv/the-office-2005.md)
- *Second Time Around* (2004), series, Writer
- *All of Us* (2003), series, Writer
- *Hype* (2000), series, Writer
- *King of the Hill* (1997), series, as (voice) — Fi1m 82, [page](https://film.one/tv/king-of-the-hill-1997.md)
- *Sleepover* (1995), as Justin

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/warren-lieberstein