Junghoo (John) Cho is an assistant professor in the Department of Computer Science at University of California, Los Angeles. He received his Bachelors degree in Physics from Seoul National University in 1996 and his Computer Science Ph.D. from Stanford University in 2002. His research interests are in databases and Web technologies. He is particularly interested in information discovery, integration and search on the Web. He has published many technical papers on databases and Web technologies in leading conferences and journals.