Dantong Yu received the BS degree in Computer Science from Beijing University, China in 1995 and the Ph.D. degree in Computer Science from State University of New York at Buffalo, USA, in 2001. He joined Brookhaven National Lab in 2001, and coordinated the Grid computing group at BNL. He currently leads the computer science group at the Computational Science Center. His research interests include high-speed network performance, network qualify of service, cluster/grid Computing, information retrieval, data mining, database, and data warehouse. He designed and implemented a novel high-dimensional indexing algorithm (termed ClusterTree) using the semantics of datasets. He has published papers in leading technical journal and conferences. He served in the review Panels of NSF CDI, DOE Early Career Principle Investigator for networking research and DOE Small Business Innovative Research (SBIR) and co-chair of several DOE Advanced Networking Workshops for Distributed Petascale Science.