The mission of Yahoo! Research is to develop the world-class science that will deliver the next generation of businesses to the company.

Our scientists focus on data-driven analysis, high-quality search, algorithms and economic models. Yahoo! manages many of the largest and richest data repositories in the world, and our researchers mine insights from these giant collections, individually and collectively, maintaining the privacy of our users while setting new standards for user value.

We believe in an open culture of collaboration with peers from academic and research institutions. We provide an academic setting with a focus on simultaneously publishing scientific work of the highest standard while driving a research agenda with significant impact on the company. At the same time, we follow the Yahoo! tradition of a great work environment with first-rate benefits and amenities, the freedom to exercise creativity in pursuit of a goal, and a fun, focused setting with world-class colleagues.

Yahoo! Research Leadership

Ron Brachman

Chief Scientist and Head of Yahoo! Labs

Ricardo Baeza-Yates

VP of Yahoo! Research Europe and Latin America

Rajeev Rastogi

Vice President &
Head of Yahoo! Labs Bangalore

Prabhakar Raghavan

Head of Yahoo! Labs

Prabhakar Raghavan is the head of Yahoo! Labs. Raghavan's research interests include text and web mining, and algorithm design. He is a consulting professor of Computer Science at Stanford University and editor-in-chief of the Journal of the ACM. He has co-authored two textbooks, on randomized algorithms and on information retrieval. Raghavan received his PhD from Berkeley and is a member of the National Academy of Engineering and a fellow of the ACM and of the IEEE. Prior to joining Yahoo!, he was the chief technology officer at Verity and has held a number of technical and managerial positions at IBM Research.

Andrei Broder

Research Fellow & Vice President, Search & Computational Advertising

Andrei Broder is a Yahoo! Fellow and Vice President for Computational Advertising. He also serves as Chief Scientist for Search and Advertising.


Previously he was an IBM Distinguished Engineer and the CTO of the Institute for Search and Text Analysis in IBM Research.


From 1999 until 2002 he was Vice President for Research and Chief Scientist at the AltaVista Company. He was graduated Summa cum Laude from Technion, the Israeli Institute of Technology, and obtained his M.Sc. and Ph.D. in Computer Science at Stanford University under Don Knuth. His current research interests are centered on computational advertising, context-driven information supply, and randomized algorithms. Together with Vanja Josifovski he has recently taught Introduction to Computational Advertising at Stanford University.


Broder is co-winner of the Best Paper award at WWW6 (for his work on duplicate elimination of web pages) and at WWW9 (for his work on mapping the web). He has authored over hundred papers and was awarded twenty five patents. He is a member of the National Academy of Engineering, a fellow of ACM, and of IEEE, and past chair of the IEEE Technical Committee on Mathematical Foundations of Computing.

Ron Brachman

Chief Scientist and Head of Yahoo! Labs

Ron Brachman is Chief Scientist and Head of Yahoo! Labs. Ron joined Yahoo! in 2005; he was one of the original leaders who helped to define and build Yahoo! Research. He helped lay the foundation for Yahoo! Labs and led the creation of all operational processes for the worldwide organization. He also created the company-wide Academic Relations unit.

Prior to joining Yahoo!, Ron was the Director of the Information Processing Technology Office at DARPA. At DARPA he defined the agency's overall Cognitive Systems agenda, and created the Personalized Assistant that Learns (PAL) program, which led to the technology that now powers Apple's Siri. Before DARPA Ron held various research leadership and management positions at AT&T, both at Bell Laboratories and AT&T Labs.

Ron holds a B.S.E.E. degree from Princeton University (summa cum laude) as well as the S.M. and Ph.D. degrees in Applied Mathematics from Harvard University. He is a Fellow of the Association for Computing Machinery, a Fellow of IEEE, and a Founding Fellow of the Association for the Advancement of Artificial Intelligence (AAAI). He has won IJCAI's Donald E. Walker Distinguished Service Award and AAAI's Distinguished Service Award. He served as President of AAAI from 2003 to 2005. He also edits the Synthesis Artificial Intelligence and Machine Learning series of online publications for Morgan & Claypool.

Ricardo Baeza-Yates

VP of Yahoo! Research Europe and Latin America

Born in Chile, studied in Chile & Canada, previously full professor at Univ. of Chile and ICREA research professor at UPF in Barcelona. Co-author of Modern Information Retrieval (Addison-Wesley, 1999) among other books and publications. Member of the ACM, AMS, IEEE (Senior), SIAM and SCCC, as well as the Chilean Academy of Sciences.

Awards from American Organization States, Institute of Engineers of Chile, and COMPAQ. Main hobby: applied geography.

Rajeev Rastogi

Vice President &
Head of Yahoo! Labs Bangalore

Previously Rajeev was a Bell Labs Fellow and the founding Director of the Bell Labs Research Center in Bangalore, India. Rajeev worked at Bell Labs from 1993 until 2008. During the period, he led a number of research projects that were incorporated into Lucent products and services. These include the Datablitz main-memory database system, the Fellini multimedia storage server, and the NetInventory auto-discovery engine. His research interests include database systems, data mining, and network management. His most recent research has focused on the areas of network monitoring and security, network graph compression and analysis, and video content dissemination.

Rajeev is active in the fields of databases, data mining, and networking, and has served on the program committees of several conferences in these areas. He currently serves on the editorial board of the CACM, and has been an Associate editor for IEEE Transactions on Knowledge and Data Engineering in the past. He has published over 125 papers, and filed over 70 patents of which 40 have been issued. Rajeev received his B. Tech degree from IIT Bombay, and a PhD degree in Computer Science from the University of Texas, Austin.