Alexandre Sorokine is an R&D research member in the Computational Sciences and Engineering Division at Oak Ridge National Laboratory. He received his bachelor's and master's degrees in physical geography at Moscow State University and his Ph.D. in geography at the State University of New York at Buffalo. His experience and major research interests are in the fields of geographic databases and data models, parallel processing of geographic data, geospatial ontology and environmental modeling. His industrial expertise is concentrated in the areas of GIS application design and programming. He has done academic, government and private sector work in the United States, Japan, Germany and countries of the former Soviet Union.