Christopher Olston is a senior research scientist at Yahoo! Research, on leave from a faculty position at Carnegie Mellon University. His research interests include data stream management and Web search. Olston received his Ph.D. in 2003 from Stanford University, where he was supported by dual fellowship awards from the National Science Foundation and the Stanford Graduate Fellowship program. Prior to attending graduate school, he received the 1998 Computing Research Association Award for Outstanding Undergraduates.