John Apostolopoulos

Vice President & Chief Technology Officer

Enterprise Networking Business & Innovation Labs

John Apostolopoulos is CTO/VP of Cisco’s Enterprise Networking Business, which is Cisco’s largest business, where he drives the technology and architecture direction in strategic areas for the business.

He also founded Cisco’s Innovation Labs, whose mission is to drive technology innovation aligned with Cisco’s strategic directions. This covers the broad Cisco portfolio including Intent-based Networking (IBN), Internet of Things (IoT), wireless (ranging from WiFi to emerging 5G), application-aware networking, multimedia networking, indoor-location-based services, connected car, machine learning and AI applied to the aforementioned areas, and deep learning for visual analytics.

Previously, John was at HP Labs from 1997 to 2012 where he was a Distinguished Technologist and then Lab Director for the Mobile & Immersive Experience Lab at HP Labs. The MIX Lab’s goal was to create compelling networked media experiences that fundamentally change how people communicate, collaborate, socialize and entertain. The MIX Lab conducted research on novel mobile devices and sensing, mobile client/cloud multimedia computing, immersive environments, video & audio signal processing, computer vision & graphics, multimedia networking, glasses-free 3D, next-generation plastic displays, wireless, and user experience design. His personal technical work includes mobile and immersive communication systems, innovative mobile device capabilities & experiences, networked media, multimedia client/cloud computing, robust & secure video communication, and mobile streaming media content delivery networks for all-IP (4G) wireless networks. John also had exciting internships at Jet Propulsion Laboratory on deep-space optical communication and at AT&T Bell Labs on very-low-bit-rate video communication.

John has received a number of honors and awards including IEEE Fellow, IEEE SPS Distinguished Lecturer, named “one of the world’s top 100 young (under 35) innovators in science and technology” (TR100) by MIT Technology Review, received a Certificate of Honor for contributing to the US Digital TV Standard (Engineering Emmy Award 1997), and his work on media transcoding in the middle of a network while preserving end-to-end security (secure transcoding) was adopted in the JPSEC standard. He has published over 100 papers, including receiving 5 best paper awards, and has about 75 granted US patents. John also has strong collaborations with the academic community and was a Consulting Associate Professor of EE at Stanford (2000-09), and frequently lecturers at MIT. He received his B.S., M.S., and Ph.D. in EECS from MIT.


March 11, 2020


5 Challenges for the Future of Wireless Networking

Learn about interesting development challenges for wireless networking, including how machine learning and machine reasoning can lead to "self-healing" wireless networks.

June 5, 2019


Improving Networks with Artificial Intelligence

Find out how the advancement of AI will impact network operations as we move forward, as well as enhancing intent-based networking.

April 9, 2019


Why Wi-Fi 6 and 5G Are Different: Physics, Economics, and Human Behavior

Amidst Wi-Fi 6 and 5G, there are three key dimensions that influence wireless design: physics, economics, and human behavior. Let's explore these factors to help leverage the evolving wireless landscape.

September 20, 2018


The “what”, “why”, and “how” of intent-based networking

Your questions answered. How an intent-based approach to networking enables IT and networking teams to address their top operational challenges. #IntentBasedNetworking

July 2, 2018


Why Your Campus Network Needs Intent

In this blog, we look at the campus network, where IT professionals have traditionally required intricate, expert knowledge and extensive configuration expertise. #CiscoDNA