Donald Phan currently work as a freelance character artist, before that he worked for ArenaNet. The studio is part of NCSoft and best known for Guild Wars series. Other than Guild Wars 2, Donald also contribute to Warhammer Online: Age of Reckoning, another massively multiplayer online role-playing game, as a character artist.
Here are some of Donald Phan character art work for Guild Wars 2
All images copyrighted to their respective owner
Source – http://runswithpencils.tumblr.com/