Professor of Electrical Engineering at Tel Aviv University. Before joining Tel Aviv University, he worked for four years at the Networking Center of Bell Labs, Holmdel, NJ. Has published seminal papers in the fields of caching, routing, security, and network measurements.
In 2004 he incepted the DIMES project for mapping the Internet infrastructure using thousands of lightweight software agents, which revolutionized the field of Internet measurement and mapping. Data gathered by DIMES is used by academians worldwide. In 2014 he established BGProtect, a company that uses the DIMES approach to protect nations and large organizations against IP hijack attacks.