Timothy "Tim" mcHale is a Senior Science Advisor and Executive Council member in the United States Geological Survey (USGS) Office of the Associate Director for Water Resources Mission Area. He has held numerous leadership roles within USGS, focused on coordination of regional to national science initiatives with an emphasis on workforce development and enhancing workplace culture. Prior to USGS, McHale was the Director of Environmental Training for the U.S. navy, executing over 200 course offerings and more than 5,000 graduates a year. He held prior leadership and technical management roles with the Naval Facilities Engineering Command, Air Force Research Laboratory, ManTech Environmental, and consulting firms focusing on environmental restoration and hydrology. McHale held a unique role as the manager of the Dover National Environmental Technology Test Site, a facility designed to conduct research on the fate, transport, and remediation of chlorinated solvents in groundwater. This facility maintained a permit to release up to 100 liters of chlorinated solvents into test areas within an otherwise uncontaminated surficial aquifer for the sole purpose of study; the only permit of its kind in the United States. mcHale has bachelor's and master's degrees in Geological Sciences with an emphasis on contaminant hydrogeology from the State University of New York at Buffalo, and he is a registered Professional Geologist in the State of Delaware.