Dan Bigman is the president of Bigman Geophysical, a company that provides a full suite of near-surface geophysical solutions to engineers, contractors, utilities, municipalities, and government agencies. Dan received his PhD from the University of Georgia, and his research has focused on the application of geophysics and non-destructive testing to archaeological, forensic, and civil/structural engineering problems. The results of this research have been published in the *Journal of Archaeological Sciences, Archaeological Prospection, Remote Sensing*, and *Case Studies in Construction Materials*. Dan has conducted geophysical investigations, structural inspections, and technical workshops across North America, Europe, Asia, and Australia, and he is currently an associate editor for the *Journal of Environmental and Engineering Geophysics*.