Milker has played Blizzard games since The Lost Vikings. He joined the company itself in/around 2002. He began in Quality Assurance for Warcraft III. Later he was a recruiter for the company's World of Warcraft team and the cinematics team. Since c. 2005, he worked almost exclusively with Team 1, which is/was responsible for StarCraft II and Heroes of the Storm, of which he is now senior game producer of.