Wang Wei
Wang Wei, AKA Glowie, is a Blizzard artist who has contributed artwork to all three of their ongoing gaming worlds. His Diablo 3 contributions came to light[1] primarily when he was added to the Blizzard Artist SonsOfTheStorm.com website; even though he had only 5 pieces of Diablo art at the time, all were very high quality and much admired by fans.
Additional Resources
Wang Wei's personal website is under development.
His art can also be seen at the CG Society.
His profile page at SonsoftheStorm.com features his artwork for Diablo, Warcraft, Starcraft, and quite a bit of personal art as well.