John Hopson is a sixteen year veteran of the games industry, having been the lead researcher for blockbuster games such as Halo, Age of Empires, Destiny, World of Warcraft, Overwatch, Hearthstone. and Guild Wars. He has a Ph.D. in experimental psychology from Duke University and is the author of a number of articles on the intersection of psychology and games, including the infamous "Behavioral Game Design." John is the former chair of the IGDA Games Research and User Experience SIG and is currently the Head of Analytics for ArenaNet. You can follow me on twitter @jwhopson.