A well- known writer, producer, and director Mark G. Steilen is married to popular actress Carrie Yazel. Steilen is known for writing series - Will (2017) and Shameless (2017-18). In 1999 and 2008, he directed The Settlement and Wieners respectively. He has provided his writing skills to various series and movies like Mozart in the Jungle (2014), Your Houses (2017) among others. In 2018, he wrote a screenplay for the feature Tag, he co-produced this movie with Todd Garner. Mark Steilen has also produced other movies including Sleepwalking, Play the Devil, Church of Gay Jesus.