He is also a faculty affiliate at the International Ground Water Modeling Center and in the Department of Soil and Crop Science at Colorado State University. He holds a B.S. degree in electrical engineering from West Virginia University, an M.S. in Environmental Engineering from Clemson University, and a Ph.D. in Hydrology from the University of Arizona. His current research includes field, laboratory, and modeling work related to transport and remediation of contaminants in groundwater and vadose-zone systems.