John Wilson recently retired from the position Research Microbiologist for EPA’s Ground Water and Ecosystems Restoration Research (GWERD) Subsurface Remediation Branch. He holds a B.S. in Biology from Baylor University, an M.A. in Microbiology from the University of California at Berkeley, and a Ph.D. in Microbiology from Cornell University. Wilson led research dealing with biological and non-biological processes that destroy contaminants in groundwater and provided training and technical assistance to EPA’s regions and to state agencies on natural attenuation of hydrocarbon components in groundwater.