He has been working in GIS and remote sensing applications for sustainability for over 15 years. He has been PI/Co-PI for a dozen grants funded from NASA, NSF, DOE, USGS, and private foundations. He has authored over 50 peer-reviewed journal publications, one book chapter, and presented more than 40 conference papers and workshops. At Saint Louis University, he is teaching a number of classes in remote sensing, GIS, and unmanned aerial systems.