Jay Clausen is a Senior Scientist with the US Army Corps of Engineers, Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory (CRREL) in Hanover, New Hampshire. Since 2005, Dr. Clausen has conducted research on the application of the Incremental Sampling Methodology (ISM) to military ranges containing energetics and metals. Prior to joining CRREL, Dr. Clausen worked for 14 years in the environmental consulting field for AMEC as a Senior Hydrogeologist/Project Manager and Lockheed Martin focused on Department of Defense and Department of Energy issues. Dr. Clausen earned a bachelor's degree in Geology from the University of Nebraska at Omaha, a master's degree in Geoscience from the University of Maine, and Ph.D. in the Natural Resources and Earth System Science program at the University of New Hampshire. His Ph.D. focused on the application of ISM techniques to soils from military ranges containing metals. Dr. Clausen is a Certified Professional Geologist in the states of Kentucky, New Hampshire, Texas, and Washington, and a Certified Professional Hydrogeologist in the state of Washington.