Warren Lieberstein. Producer: Das Büro. Warren Lieberstein was born on 20 September 1968 in Westport, Connecticut, USA. He is a producer and writer, known for Das Büro (2005), Back in the Game (2013) and Hit the Road (2017). He has been married to Audrey Wauchope since 3 July 2016. They have two children. He was previously married to Angela Kinsey.