Cory Stockton is the Lead Content Designer for World of Warcraft through the Cataclysm and Mists of Pandaria expansions and beyond. He is responsible for overseeing the design and implementation of all exterior zones, dungeons, Battlegrounds, Arenas, and cities. He is also involved with many other aspects of the game, including quest implementation and the Pet Battle System. He is known as "Mumper" on the Official forums.