Former Microsoft Game Studios exec Stuart Moulder has joined the executive team at Wild Tangent. Moulder joins the company as vice president and teams up with another former Microsoft executive, Alex St. John, who founded Wild Tangent in 1998. (St. John was one of the primary architects of DirectX.). Moulder has been put in charge of the company's WildStudio division, a far-flung group of studios that contributes to the Wild Tangent business model, which is built on Web Driver, an "online streaming game platform on the Internet."