Dennis C. Flanagan is a Research Agricultural Engineer and Lead Scientist with the USDA-ARS National Soil Erosion Research Laboratory (NSERL) in West Lafayette, Indiana. He is also an adjunct full professor with the Purdue University Department of Agricultural & Biological Engineering. His research deals with soil erosion by water mechanics, erosion control, and erosion prediction technology development. He is the leader for the Water Erosion Prediction Project (WEPP) modeling efforts by USDA (since 1999), and works extensively with user agencies (Forest Service, Natural Resources Conservation Service) on implementation and use of this process-based technology.