Eran is currently heading Open Search development (aka BOSS) at Yahoo. A search and startup veteran, Eran founded Mercado Software in 1993, where he pioneered search for e-commerce. He served as founding CEO and CTO until 2003. He later co-founded Eyecon Technologies and RawSugar where he served as founding CEO, and advised to several companies (among them A9 and PSS-Systems) in technology and strategy in the search area.

As a Vice President of Engineering, Udi is responsible for core search. Before joining Google early in 2006, Udi was CEO of A9.com, a Senior VP at Amazon.com, and Yahoo's Chief Scientist. He started working on search algorithms in 1989 with the invention of Suffix Arrays (with Gene Myers) while he was a professor at the University of Arizona, and he was a co-developer of several search packages, including Agrep, Glimpse, WebGlimpse, and Harvest. He started developing search and other software tools for the web 2 months after Mosaic was announced in 1993, and continued ever since. While in academia, he also worked in the areas of theoretical computer science, computer security, distributed systems, and networks. He won a Presidential Young Investigator Award in 1985. Udi holds a Ph.D. in Computer Science from the University of Washington.