Attended Northwestern University, where he studied theater and political science.
Dunn enjoys playing several sports and is a devoted fan of Major League Baseball.
He also remains a student of history and politics.
Attended Phillips Academy Andover, a preparatory high school.
Involved in theater while at Andover: played the role of Jerry in "Zoo Story."
Guest appearance on Gilmore Girls (2000) was supposed to become a recurring role and he was going to become a love interest for Rory in the show's 5th season. When Veronica Mars (2004) got picked up, he was no longer available, so the writers recast Rory's new love interest with Matt Czuchry as Logan Huntzberger.
Taking a break from shooting "Veronica Mars". [November 2004]
Dunn graduated cum laude from Boston College Law School in 2013. He had legal internships with the Office of the Prosecutor for the International Criminal Tribunal for the Former Yugoslavia and the Attorney General of Massachusetts, Criminal Bureau. Dunn passed the notoriously difficult New York Bar Exam, and (as of 2015) is an Associate at the New York branch of the international law firm Dechert LLP, focusing on general litigation matters.