Biography
Halsted Sullivan is an American television writer and producer. A 1989 graduate of the University of Virginia, he began his career writing for series such as All of Us (2003), Second Time Around (2004), Modern Men (2006) and Carpoolers (2007–2008).
He joined the writing staff of The Office (2005) at the end of its fifth season and became a producer on the series. Working frequently with his writing partner Warren Lieberstein, Sullivan co-wrote seven episodes of the show. He has also written for Casual (2015), Difficult People (2015) and Central Park (2020), serving as an executive producer and one of the showrunners on the latter.
Sullivan received Writers Guild of America award nominations for his work on The Office and Emmy nominations as a producer on the series.
