Dennis C. Flanagan is a Research Agricultural Engineer and Lead Scientist with the USDA-Agricultural Research Service (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 of the Water Erosion Prediction Project (WEPP) modeling efforts by the USDA-ARS (since 1999), and works extensively with user agencies (Forest Service, Natural Resources Conservation Service, etc.) and others on implementation and use of this process-based technology. He has authored or co-authored over 300 publications including 143 refereed journal articles and 15 book chapters, and has edited 4 books. Dr. Flanagan has made frequent presentations at the American Society of Agricultural & Biological Engineers (ASABE) international meetings, was Chair of the 10th International Symposium on Agriculture and the Environment (AgroEnviron 2016), and was Chair of the 2023 ASABE Soil Erosion Research under a Changing Climate international symposium. He is a life member and Fellow of ASABE, and also a member of the Soil and Water Conservation Society (SWCS) and the American Geophysical Union (AGU).