Jennifer McIntosh is a Professor and University Distinguished Scholar in the Department of Hydrology and Atmospheric Sciences at the University of Arizona (UA), and a Joint Faculty member in the UA Geosciences Department. She also held an Adjunct Research Geologist position with the United States Geological Survey from 2007-2017, and is currently an Adjunct Professor at the University of Saskatchewan in the Department of Civil and Geological Engineering. McIntosh is a fellow of the Geological Society of America and the Canadian Institute for Advanced Research (CIFAR) Earth 4D: Subsurface Science and Exploration Program. McIntosh received a BA in geology-chemistry from Whitman College, a MS and a PhD in Geology from the University of Michigan (2004), and the Morton K. and Jane Blaustein Postdoctoral Fellowship at Johns Hopkins University in Earth and Planetary Sciences. McIntosh is a hydrogeochemist who works at the interface of hydrology, geochemistry, and microbiology to understand micro (pore) to macro (continental scale) processes throughout the earth’s crust. She has received numerous awards for her research, teaching, and student mentoring, including the USGS Star Award, UA Distinguished Scholar Award, and Blitzer Award for teaching physics-related sciences. She regularly serves as a technical expert for the US EPA, National Academies of Sciences and Engineering, and Nuclear Waste Technical Review Board. Her students and postdocs have gone on to positions in academia, government agencies and environmental consulting.