Mark Stephan Kondracki was a dialogue engineer for Gravity Falls.
Kondracki attended Hunter College High School in Upper East Side, Manhattan from 1986 to 1990 and Columbia University in the City of New York from 1996 to 2000, where he earned his BA in English. In 2004, Kondracki became principal of Outloud Audio. Though he occasionally works with Gravity Falls, he is officially working for Outloud Audio, which includes doing jobs for various shows. He has worked on various, notable programs, including Once Upon a Time, 12 Monkeys, Orange is the New Black, Empire and TRON: Uprising.
Kondracki has also gotten two shared Golden Reel Award nominations for Best Sound Editing - Sound Effect, Foley, Dialogue and ADR Animation in Television, one in 2014 for the TRON: Uprising episode "Terminal," and one in 2015 for the Penn Zero: Part-Time Hero episode "Penn Zero: Part-Time Hero: North Pole Down (2014)."