Dr. Bradley received his B.S. and M.S in Applied Biology from the Georgia Institute of Technology, USA. He received his Ph.D. in physiological ecology from the University of South Carolina in 1991. He has been a Research Scientist with the United States Geological Survey since 1988 and an Adjunct Professor in the Department of Biological Sciences at the University of South Carolina since 1991. He has published over 150 journal articles and book chapters focused on the hydrology and ecology of pristine and contaminated groundwater and surface-water systems. His current research focuses on fate and transport of mercury and contaminants of emerging concern in surface-water and shallow groundwater environments.