Yahoo! Appoints Renowned Database Systems Expert Dr. Raghu Ramakrishnan as Research Fellow

Business Wire, July 25, 2006

SUNNYVALE, Calif. -- Yahoo! Inc. (NASDAQ:YHOO), a leading global Internet company, today announced the appointment of Dr. Raghu Ramakrishnan as Vice President and Yahoo! Research Fellow. In his new role, Ramakrishnan will help define and execute the strategy behind Yahoo!'s social search platform and contribute his extensive experience in database systems to Yahoo! Research and the company's ongoing development of trusted community technology. He will be based in Sunnyvale, CA, where he will report to the Head of Yahoo! Research, Dr. Prabhakar Raghavan.

"Raghu is a world-renowned expert in database systems and data mining with a passion for social search that perfectly aligns with Yahoo!'s vision for the future," said Raghavan. "The combination of Raghu's expertise and Yahoo!'s huge user base and data assets will provide tremendous insight into new ways to create value for our users."

Ramakrishnan joins Yahoo! from the University of Wisconsin-Madison where he served as a professor of computer science and a co-founder of the Data Mining Institute. Ramakrishnan will apply his experience in privacy, data mining and the online community systems he has developed over the course of his career to further ensure the high-quality, safe online experience trusted by hundreds of millions of Yahoo! users.

"We are proud and excited to have someone of Raghu's academic caliber and entrepreneurial approach to help Yahoo! Research with our commitment to building the new science of the Internet," said Usama Fayyad, chief data officer and senior vice president. "Raghu joins a rapidly growing assembly of the leading thinkers and scientists in key fields of this new emerging science who have chosen to join Yahoo! to deliver on this ambitious goal and to help build innovative products and services that are essential to consumers' lives."

Ramakrishnan co-founded and served as chairman and chief technology officer of QUIQ, a company that pioneered online question-answering communities as well as online collaborative customer support and knowledge management communities for companies like Business Objects, Compaq, and Sun. He is co-author of the widely-read text Database Management Systems (WCB/McGraw-Hill) and has published over 150 research papers throughout his career.

"Yahoo! fosters an open environment for innovation, engaging the top thinkers in data mining, microeconomics and other fields to shape the future of the Web," said Ramakrishnan. "This is the perfect opportunity to apply my interests and experiences in social search and database management to help people connect to other people and to the information they need, making the Web a natural extension of their everyday communities."

Ramakrishnan is the chair of the Association for Computing Machinery (ACM) Special Interest Group on Management of Data (SIGMOD) and serves on the boards of the Very Large Data Base (VLDB) Endowment and ACM Special Interest Group on Knowledge Discovery and Data Mining (SIGKDD). Ramakrishnan is a Fellow of the ACM, and recipient of the David and Lucile Packard Foundation Fellowship in Science and Engineering, a National Science Foundation Presidential Young Investigator Award, and an ACM SIGMOD Contributions Award. He is an associate editor of ACM Transactions on Database Systems and was recently editor-in-chief of the Journal of Data Mining and Knowledge Discovery.

Ramakrishnan holds a Bachelor of Technology from IIT Madras and a Ph.D. from the University of Texas at Austin.

About Yahoo!

Yahoo! Inc. is a leading Internet brand globally and one of the most trafficked Internet destination worldwide. Yahoo! seeks to provide online products and services essential to consumers' lives, and offers a full range of tools and marketing solutions for businesses to connect with Internet users around the world. Yahoo! is headquartered in Sunnyvale, Calif.

Yahoo! and the Yahoo! logos are trademarks and/or registered trademarks of Yahoo! Inc.

All other names are trademarks and/or registered trademarks of their respective owners.