TROY, Mich.--(BUSINESS WIRE)--Kelly Services®, a leading provider of workforce solutions (NASDAQ: KELYA; KELYB), is pleased to announce its participation in the Drug Information Association DIA 2012 Annual Meeting: Collaborate to Innovate at the Pennsylvania Convention Center, Philadelphia from June 24-28. The DIA 2012 is the largest international multidisciplinary event that brings together a network of more than 7,000 professionals in the biotechnology industry along with industry-leading investor and partnering meetings held around the world.