Marti A. Hearst is a Professor in the School of Information at the University of California, Berkeley. She received B.A., M.S., and Ph.D. degrees in Computer Science from the University of California, Berkeley and was a Member of the Research Staff at Xerox PARC from 1994 to 1997. A primary focus of Hearst's research is user interfaces for search. She has invented or participated in several well-known search interface projects including Scatter/Gather clustering of search results, TileBars query term visualization, BioText search over the bioscience literature, and the Flamenco project that investigated and promoted the use of faceted metadata for collection navigation. She has published extensively on this and other topics. Hearst has advised more than fifty masters-level interface design projects, from problem formation and needs assessment through three rounds of evaluation. She has also taught Information Organization and Retrieval and a course called Search Engines: Technology, Society, and Business, which includes a set of popular video lectures.