Halo 4 principal engine programmer Corrinne Yu recently departed from Microsoft's Halo team to join Naughty Dog.
According to her LinkedIn profile, Yu's current duties include coding on the PlayStation 4. Specific titles or projects are not listed.
Yu worked as the principal engine programmer for 343 Industries for five years. Prior to that, she served as Gearbox Software's director of technology. While there, Yu programmed titles such as Borderlands and Aliens: Colonial Marines.