Jim Jefferies retired from AT&T and Lucent Technologies following 33 years in engineering and executive positions including fiber optic cable development and manufacturing, quality assurance, and supply chain management. He managed the engineering teams that delivered the first commercial fiber optic cables for AT&T. He served as logistics vice president, responsible for worldwide supply chain and export planning. He has led teams in major technology transfers, transitions of information technology, and organizational change. He has also worked in the entrepreneurial sector as Chief Operating Officer for USBuild.com in San Francisco, CA, USA.
Jim served two separate terms on the IEEE Board of Directors, as well as the 2015 IEEE-USA President. As President of IEEE-USA, Jim supported the expanded focus on public visibility, young professionals, and humanitarian outreach.
He received his BS in Electrical Engineering from the University of Nebraska and an MS in Engineering Science from Clarkson University. He attended the Stanford University Graduate School of Business as a Sloan Fellow and earned an MS in Management.
Jim is a member of the IEEE Eta Kappa Nu honorary society and a licensed professional engineer (Emeritus).
Kyungwhoon Cheun received his B.S. degree in Electronics Engineering from Seoul National University in 1985. He earned his M.S. and Ph.D. degrees from the University of Michigan, Ann Arbor in 1987 and 1989, respectively.
He served as a professor at the University of Delaware from 1989 to 1991 and then at the Pohang University of Science and Technology (POSTECH) from 1991 to 2014. While at POSTECH, he headed the national ITRC center for Broadband OFDM Multiple Access (BrOMA), an eight-year research program supported by the Korean Ministry of Knowledge and Economy.
Aside from his academic achievements, he, as an engineering consultant, has contributed to many break-through innovations in diverse industry areas of wireless communications and audio signal processing. He was on leave at Witechs and NSystems in San Diego where he developed efficient receiver algorithms for WLANs and WCDMA. From 2004 to 2011, he served as the Chief Technical Officer (CTO) of Pulsus Technologies Inc., taking the lead of developing sound processing algorithms and sigma-delta modulation based full digital audio amplifier SoCs.
Since 2012, he has been with Samsung Electronics leading research and development for next generation cellular and Wi-Fi networks. Currently he is an Executive Vice President and head of R&D in Network Business, Samsung Electronics.
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