Jason Gregory has worked as a professional software engineer since 1994. He got his start in game programming in 1999 at Midway Home Entertainment in San Diego, where he wrote tools and engine code, including the Playstation 2/Xbox animation system for "Freaky Flyers," "Hydro Thunder 2" and "Crank the Weasel." In 2003, Jason moved to Electronic Arts Los Angeles, where he worked on engine and game play technology for "Medal of Honor: Pacific Assault" and served as a lead engineer during the early phases of the "Medal of Honor: Airborne" project. Jason is currently a lead programmer at Naughty Dog Inc., where he most recently completed work on "The Last of Us Remastered" for PlayStation 4, and is now hard at work on "Uncharted 4: A Thief's End." He also developed engine and gameplay technology for Naughty Dog's "Uncharted: Drake's Fortune," "Uncharted 2: Among Thieves," "Uncharted 3: Drake's Deception" and "The Last of Us" (PlayStation 3), and taught courses in game technology at the University of Southern California.