Trivia

Was arrested for a bar brawl while out with Vince Vaughn and Steve Buscemi, the latter of which was stabbed three times during the scuffle. (April 2001)

Runs a production company called "Midnight Radio" with Jeff Pinkner, Josh Appelbaum, and André Nemec.

He was one of several screenwriters that did rewrites on Spider-Man (2002).

Attended Boston University.

In February 2007, Variety Magazine reported that Rosenberg was writing a screenplay adaption of the Charlie Huston novel "Already Dead" for Phoenix Pictures.

Turned down an offer to rewrite The Fast and the Furious (2001).

He has often performed uncredited script rewrites, they include films such as: Armageddon (1998), The General's Daughter (1999), Domestic Disturbance (2001), Spider-Man (2002), Runaway Jury (2003), Pain & Gain (2013), and Kristy (2014) among others.

In October 2003, Variety Magazine reported that Rosenberg was rewriting The Expendables", a "Dirty Dozen"-like drama originated by screenwriter Scott Marshall Smith.

Early in his career, he had written an adaption of Michael Connelly's novel "The Black Ice" for producer Mace Neufeld.