John L. Wilson is Professor of Hydrology in the Department of Earth and Environmental Science at the New Mexico Institute of Mining and Technology in Socorro, New Mexico. He has a BS from Georgia Institute of Technology, and MS, CE and PhD degrees from the Massachusetts Institute of Technology (MIT). His experience includes teaching groundwater hydrology at MIT and consulted on groundwater issues with CDM in Boston. His current consulting is mainly as an expert witness on groundwater and related issues. Wilson is a current or former member of many professional society, university and government science advisory panels and committees.