Steven Humphrey is a hydrogeologist and groundwater modeler at Geomega, Inc. in Boulder, Colorado. He has been professionally active for more than 9 years supporting team-oriented regulatory and litigation projects involving groundwater flow and transport modeling (using MODFLOW and FEFLOW), collection, analysis, and interpretation of groundwater and environmental data, and technical writing and presentation. Steven graduated with a Master's degree in Hydrogeology from the University of Nevada, Reno, and a Bachelor's degree in Geology from California State University, Chico.