R. Srinivasan, Ph.D. is a professor at Texas A&M University and director of the Spatial Sciences Laboratory at Texas A&M. He has become known and respected throughout the world for his developmental work with spatial sciences and computer-based modeling, especially the Soil and Water Assessment Tool or SWAT model. His research and its applications have contributed to long-lasting changes in natural resource assessments and development of management system options, currently being used in more than 90 countries.