He is an astronomer specializing in the structure, morphology and dynamics of galaxies and their dark matter halos. He is involved in three major projects. The first of these is the Arkansas Galaxy Evolution Survey (AGES), a collaborative effort, which involves all the astronomers in the Space Center, and is currently focussed on conducting a census ofsupermassive black holes in the Universe. He is also involved in the Carnegie-Irvine Nearby Galaxies Survey (CINGS) and the Large Synoptic Survey Telescope (LSST).