Hari Balakrishnan is the Fujitsu Professor of Computer Science and a Director of MIT's Center for Wireless Networks and Mobile Computing. His research is in networked computer systems, with current interests in networking, data management, and sensing for a world of truly mobile devices. He is known for his contributions to overlay and peer-to-peer networks, Internet routing and congestion control, wireless and sensor networks, network security, and distributed data management. He is an ACM Fellow, a Sloan Fellow, an ACM dissertation awardee, and was awarded MIT's Harold Edgerton prize. He has received many best-paper awards, including the IEEE Bennett Prize and the SIGCOMM "Test of Time" award. He founded and is CTO of Cambridge Mobile Telematics, makers of software to draw inferences from mobile sensor data. Previously, he co-founded StreamBase Systems (acquired by TIBCO), advised Meraki Networks from its inception (acquired by Cisco), and developed technologies for Sandburst Corporation (acquired by Broadcom). He received a PhD from UC Berkeley and a B.Tech. from IIT Madras.