James Kaufmann is the Standards Specialist for Elevation products for the US Geological Survey's National Geospatial Technical Operations Center (NGTOC). He is responsible for maintaining the specifications for products acquired through the 3D Elevation Program (3DEP) for the National Geospatial Program. This includes maintaining and updating the Lidar Base Specification. Prior to joining NGTOC, James was a Research Physical Scientist for the USGS-EROS center specializing in karst geomorphology and sinkhole hazard research. In this capacity, he made extensive use of lidar in combination with other geospatial datasets.