Fred W. Ellersick Prize
Mark E. Perkins is a principal technical staff member at AT&T Laboratories where he manages standards activities for quality of service and architectural issues for IP-based services. He has been active in subjective performance evaluation of speech signal processing equipment. He serves as rapporteur in ITU-T Study Group 12 for a new project on speech transmission quality in IP networks. He earned a B.A from the University of California, Riverside and M.A and Ph.D. degrees from New York University.
Charles A. Dvorak has been with AT&T since 1982. He heads the strategic standards division, which manages AT&T participation in telecommunications standards organizations. He has also supervised the Voice Quality Assessment Lab of Bell Laboratories. He was the chair of standards body T1A1 for four years and is currently the Vice-Chairman of ITU-T Study Group 12. He received M.E.E and Ph.D. degrees from the University of Delaware in 1975 and 1978.
Barry H. Lerich is a project director in the data communications and transport integration organization of Telcordia Technologies (formerly Bellcore) where he develops performance requirements for voice and data communications services. He has been active in telecommunications standards activities of T1A1.7. Signal Processing and Network Performance for Voice and Voiceband Data and T1M1.3 OAM&P Testing. He currently serves as a chair of Working Group T1A1.7. He earned a B.S. from Purdue University and an M.S. from the Naval Postgraduate School, Monterey California.
Joseph A. Zebarth is an associate director at Bell Canada. He earned a B.A. Sc. from the University of Waterloo. He has held positions in standards development, transport system design, network planning, outside plant engineering, and equipment provisioning. Currently he is responsible for the development of strategic Internet and multimedia transmission performance standards. He is a rapporteur in ITU-T Study Group 12 for projects on the introduction of ATM technology into networks and the impact of delay and echo on Internet and multimedia services.
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