He is an IEEE senior member and a member of the OpenGIS Catalogue Service Standards Working Group. He received his Ph.D. degree in Cartography and GIS from the Institute of Remote Sensing Applications, Chinese Academy of Science in 2003. Formerly, he was the task leader of the Global Earth Observation System of Systems Component and Service Registry, and the Committee on Earth Observation Satellites WGISS Integrated Catalogue. He is leading efforts in the CESS on establishing Cyberinfrastructure for Global Change studies. He has published more than 50 scientific papers in the area of geo-information science. His research interests include large-scale geospatial data integration and system interoperability, geospatial semantic and ontology, and high-performance and high-throughput geospatial computing.