Tim Carroll is Senior Director Sound Technology, Advanced Media Systems Group in the Office of the CTO at Dolby Laboratories. Prior to this, he was CTO of the Telos Alliance, comprising Telos, Omnia, 25-Seven Systems, Axia, Minnetonka Audio, and Linear Acoustic, a company he founded. Previously he worked for Dolby in New York mastering films and DVDs, moving to its San Francisco headquarters to manage professional broadcast products. He has been honored with individual and group Prime Time, Technology and Engineering, and Sports Emmy Awards for his work with Dolby E, television Audio Processing, and the Beijing, Vancouver, and London Olympic games. He is a member of AES, IEEE, SBE, is a SMPTE Fellow, and is an active participant in the work of the ATSC. He holds several patents in the fields of audio and data systems and resides in northern California with his patient wife and family.