That would be Josh Mosqueira, who's largely credited with being the driving force behind turning Diablo 4 about in the Reaper of Souls, Loot 2.0 era. Sure, it was a group effort, but it was under his direction, and just like so many other people, he has left Blizzard. And if you wish to go further back, the director of Diablo 4 Gold, David Brevik, hasn't been Blizzard since 2003. Diablo 4's...