Primary Job Title Group VP of 5G and Telco Cloud Primary Organization Juniper Networks
Location San Francisco, California, United States Regions San Francisco Bay Area, West Coast, Western US Gender Male
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Constantine Polychronopoulos is the Group VP of 5G and Telco Cloud at Juniper Networks. Previously, he served as Vice President and CTO, at Citrix Systems responsible for the Bytemobile product line, the SDN/NFV strategy, and for the expansion of the Netscaler ADC, into the service provider markets. In 2000 he founded Bytemobile, Inc., the
global leader in wireless network optimization and data services, which he grew to about 350 employees and over 160 mobile network operator customers, before it was acquired by Citrix Systems in 2012. At Bytemobile he served on the BOD and was the CTO, responsible for all products (establishing and leading development teams in four sites), expansion strategy, M&A, go-to-market planning and led sales in several strategic accounts. Among his many innovations were the first streaming video optimization platform, deployed in more than 100 operator networks world-wide, novel analytics solutions, and a framework that enabled Bytemobile to optimize encrypted traffic. Before founding Bytemobile he was Professor of Electrical and Computer Engineering at the University of Illinois at Urbana-Champaign, and director of the Center for Supercomputing R&D, where he directed the research of more than 70 PhD and MS students, and conducted research that produced novel solutions for compilers, operating systems and networking protocols, including the first cloud computing platform in 1999, the Computational Network Federations. Dr. Polychronopoulos’ research results have been used in commercial software and hardware systems by Intel, Cray, Silicon Graphics, Convex, HP, and other high performance software and networking system vendors.
He holds 10 patents and has published more than 160 research papers on multithreading compilers, OS, distributed and cloud computing, wireless networks and mobile computing. Seven of his publications have received “Best Paper” awards at ACM and IEEE conferences. He has consulted extensively for many software and hardware companies including Intel, IBM, Silicon Graphics, HP, Kubota, NKK etc.
Dr. Polychronopoulos has received various awards and recognitions including the 1989 National Science Foundation Presidential Young Investigator Award by President George Bush, the 1998 Bodossaki Foundation Award in Engineering, and was named a Pascal Chair at the University of Leiden in 2000 and a Fijitsu Endowed Professor at the University of Tokyo in 1992. In 2015 he was named one of the 50 innovators of the Computer Science Dept. of the University of Illinois, and in 2010 was named among the “Power 50” in wireless industry by Wireless Today magazine in the UK.
He received his PhD in Computer Science from the University of Illinois, his MS in Computer Science from Vanderbilt University and his BSc in Math/CS from the University of Athens.

