Lead game designer behind the popular Blizzard video game Hearthstone. Throughout his long career with Blizzard, he also worked on numerous World of Warcraft games.
He began his game design career as a night crew game tester. He first joined Blizzard in 2003 game testing Warcraft III.
He is represented as an NPC in the Warlords of Draenor World of Warcraft expansion pack.
He has lived in Lake Forest, California.
Both he and Chris Metzen are game designers primarily known for their work with Blizzard Entertainment.