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.
