William Petras is the art director of Overwatch at Blizzard Entertainment. He was previously art director on World of Warcraft (credited 2004), and also worked on games in the StarCraft franchise (1998). He was a part of Team 4.
- ^ 2015-05-27, BlizzCon 2014 – Overwatch Origins Panel Transcript. Blizzplanet, retrieved on 2015-05-28