Jason Gregory has worked as a software engineer in the games industry since March 1999, and as a professional software engineer since 1994. He got his start in game programming at Midway Home Entertainment in San Diego, where he worked on tools, engine technology and game play code for Hydro Thunder™ 2 (arcade). He also wrote the PlayStation® 2/Xbox animation system for Freaky Flyers™ 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 on the Medal of Honor:™ Airborne project. Jason is currently a Lead Programmer at Naughty Dog Inc., where he is working on Uncharted: The Lost Legacy™ and The Last of Us Part II™ for PlayStation® 4. He also developed engine and gameplay software for Uncharted: Drake’s Fortune™, Uncharted 2: Among Thieves™, Uncharted 3: Drake's Deception™, The Last of Us™ and Uncharted 4: A Thief's End™, and developed and taught courses in game technology at the University of Southern California.