Nathan F. Raciborski co-founded Limelight Networks in 2001. Nathan is the named inventor on over forty issued US patents related to the acceleration of Internet content, the scalability of Internet platforms, and the enhancement of content delivery. He has served on the Board of Directors and as CTO at Limelight. Currently, his focus is on system architecture and strategic initiatives including key commercial relationships. Starting in 1993, prior to Limelight, Nathan founded several companies including Aerocast (acquired by Motorola), Entera (acquired by Blue Coat Systems/Cacheflow) and Primenet Services for the Internet (merged with Globalcenter, later acquired by Level3/Global Crossing).