Irvine-based Specific Media said today that it has appointed Brian Burdick as Senior Vice President of Engineering at the firm. Specific Media operates an independent online advertising network which targets consumers based on demographic information. Specific Media said that Burdick joins the firm from Microsoft subsidiary AdECN, where he was Chief Technical Officer. According to Specific Media, Burdick was a founding member of Microsoft adCenter prior to his time at AdECN. Burdick will oversee engineering, product management, quality assurance, and technical operations at Specific Media.