Randy Hunt has worked in the groundwater industry for more than 30 years. His experience includes extensive acquisition and processing of field data, and construction, calibration, and uncertainty analysis of groundwater and surface water models. Hunt currently works for the U.S. Geological Survey; prior to that he served in the private sector. He also conducts courses in groundwater modeling through the University of Wisconsin, Madison, as well as the USGS. Hunt has been an associate editor for the journal Groundwater® since 1997 and currently serves as an advisor to the editor-in-chief. He is coauthor of the popular textbook Applied Groundwater Modeling and is a contributor to the public domain PEST++ software.