Justin was born and raised in Woburn, Massachusetts, a suburb of Boston. He graduated with a BSA in Film from Full Sail University. His first short, an independent pilot titled Rolling, was a film festival favorite and honored with the "Best Director" award at the 2010 New York Television Festival. The success of Rolling led to Lazy Me, a web series starring YouTube sensation Kevjumba that received over 7 million views. His collaboration with Kevjumba continued with the viral short Boats, a Hollywood satire that was featured all over the web. Dec has two Vimeo Staff Picks, an addy award winning commercial campaign, and over 10 million views online. His feature film debut Countdown was the #1 new movie opening weekend at the domestic box office, taking in a haul of 9 million dollars against a production budget of 6.5 million.
Justin is represented by United Talent Agency and the Law Firm of Morris Yorn Barnes Levine Krintzman Rubenstein Kohner & Gellman.