Tammie Childs, Senior Vice President of Engineering, is a founding member of Pathfire. Tammie is responsible for design and development of Pathfire's Digital Media Gateway™ line of software and hardware products, including News, Ads, and Syndication workflow engines, a multicast transmission system, station integration products and a point-to-point transmission product. Tammie joined Pathfire from Digital Video, Inc., which developed one of the first digital ad insertion servers for cable headends. She joined the company in its first month of existence and lead the development of the first-generation ad inserter. Before Digital Video, Inc., Tammie spent 7 years at Bellcore, leading architecture development teams on planning and call processing systems in the Advanced Intelligent Network. Tammie received a B.S. in Computer Science from the University of Virginia and a M.S. in Computer Science from the University of Southern California.