Thomas L. Engdahl

Senior Vice President & General Manager, Radiance Technologies

Thomas L. Engdahl is Senior Vice President & General Manager of Radiance Technologies, a wholly owned business operation of the Comcast Media Center. Based in Santa Clara, Radiance is a leading provider of asset delivery systems for moving and managing large digital assets. Its patented technologies for scheduling and executing data transfers, and for controlling data transfer rates, are currently supporting the asset management and delivery requirements for Fortune 500 companies in the aerospace, automotive and advertising industries, among others. Prior to the CMC's asset purchase of Radiance, Engdahl had served as the company's President and CEO since joining its leadership team in October, 2005. With 30 years of entrepreneurship, engineering, marketing, and management experience, Engdahl has founded and lead six other successful start-up companies: Applied Digital Access (ADAX), Pathfire Inc., Kasenna Inc., Alloptic Inc., Avasta Inc., and Alopa Networks Inc.

In addition, Engdahl has held key positions at companies such as M/A-Com, Northern Telecom, DSC Communications, and Pacific Bell. He holds nine patents for telecommunications and video-cable products and has been active in setting standards in the telecom industry since 1984.

About Radiance Technologies
Radiance Technologies is a leading provider of asset delivery systems for moving and managing large digital assets through any network with speed, security, control and reliability. The company develops and markets asset delivery systems to organizations that need to deliver high-value, collaborative digital assets on time. Radiance TrueDelivery is empowering knowledge workers by simplifying and managing digital asset delivery. Radiance was founded in 2000, and its investors included Levensohn Venture Partners, Vanguard Ventures and Sutter Hill Ventures. More information about the company is available at www.radiance.com.

About Comcast Media Center
Denver-based Comcast Media Center (CMC), a business unit of Comcast Cable, provides centralized content management and distribution solutions for cable systems, video content providers and advertisers "All From The CENTER." CMC's content distribution platforms include its HITS Quantum all-digital portfolio, which consists of over 280 linear HD and SD digital video and audio services that reach more than 2,000 local cable system headends; VOD In a Box, which delivers over 1,200 HD and SD video on demand programs via a centralized content management solution; HITS AxIS, a suite of services that support the development and delivery of iTV applications; and HITS Broadband, a carrier-class IP connectivity service. The CMC's Content Distribution services includes a video on demand (VOD) platform that manages and distributes over 9,000 VOD assets each month; live event and TV network origination; satellite and terrestrial fiber transmission services; disaster recovery; transcoding, hosting and storage for online and mobile video; and a full set of video production and editing capabilities. Its Ad Distribution services includes the Advertising Distribution Network (ADN), a web portal for centrally managing advertising and promotional spots that has 1,100 users at cable MSO, division and system locations. More information is available at www.comcastmediacenter.com