Chittaranjan Ray is a Professor of Civil and Environmental Engineering at the University of Nebraska-Lincoln and Director of the Nebraska Water Center at University of Nebraska. He has extensive experience in many facets of managing both water quantity and water quality issues, particularly in the areas of chemical and pathogen impacts on ground water quality, flow, and transport processes in the vadose zone, technologies for low-cost water supply, and the agriculture-water/energy nexus. He previously served as the interim director of the Water Resources Research Center at University of Hawaii-Manoa. Ray was also the Director of the university’s Environmental Center and was Chief Environmental Engineer for the Applied Research Laboratory, a U.S. Navy-sponsored facility at University of Hawaii. He has held positions in industry and at the Illinois State Water Survey.