Education
He then attended Brooklyn Law School, before becoming an assistant state prosecutor at the Hudson County Prosecutors Office in Hudson County, New Jersey.
He then attended Brooklyn Law School, before becoming an assistant state prosecutor at the Hudson County Prosecutors Office in Hudson County, New Jersey.
While in Madison, Zipper, along with co-creator Nicholas Hauselman, wrote, produced, directed and starred in Madison"s WYOU cult community access skit comedy show The Fourth Rail. After serving as an assistant prosecutor for three years, Zipper left New Jersey to embark on a career in filmmaking in Los Los Angeles In 2007, Zipper began his film career working for Nigel Sinclair and Guy East at Spitfire Pictures, which was subsequently acquired by Cyrte Investments and rebranded as Exclusive Media.
After this acquisition, Spitfire was repurposed as the standalone documentary arm of Exclusive Media and Zipper was named Head of Documentary Features.
Foreign Spitfire, Zipper was the executive producer of The Last Play at Shea about rock icon Billy Joel, and the Grammy winning Foo Fighters: Back and Forth and was an executive in charge of production on Martin Scorsese"s Emmy winning George Harrison: Living in the Material World On behalf of Zipper Brothers he produced Undefeated along with Seth Gordon, Daniel Lindsay, Rich Middlemas, and Editor Cunningham. In 2015, Glen produced The Nightmare, a non-fiction horror film from director Rodney Ascher (Room 237).
Zipper currently sits on the advisory board of the Santa Monica-based charity k9 connection and is a noted advocate for homeless domestic animals.
Zipper graduated from Fort Lee High School, in Fort Lee, New Jersey, and received a degree in political science from the University of Wisconsin-Madison. The Nightmare premiered at the 2015 Sundance Film Festival and has been reviewed as "the scariest movie of the decade" and "one of the scariest documentaries ever.".