John Wilson is a research microbiologist for U.S. EPA. He has a B.S. in Biology from Baylor University, an M.A. in Microbiology from the University of California at Berkeley, and a PhD. in Microbiology from Cornell University. He has worked at the R.S. Kerr Environmental Research Center in Ada, Oklahoma since 1978. Currently, he conducts research on in-situ bioremediation of chlorinated solvents, and on natural attenuation of BTEX compounds, fuel additives, and chlorinated solvents. In addition to his research activities, he provides training and technical assistance to the EPA regions and to state agencies on natural attenuation of chlorinated solvents, fuel additives and BTEX compounds in ground water.