Jean Bahr is Professor of Hydrogeology in the Department of Geoscience at the University of Wisconsin-Madison, where she has been on the faculty since 1987. She received her Ph.D. and M.S. in Applied Earth Sciences (Hydrogeology) from Stanford University and her B.A. in Geology and Geophysics from Yale University. Her research explores physical, geochemical, and biogeochemical controls on the movement of water and associated solutes in subsurface geologic systems. She served as President of the Geological Society of America in 2009-2010 and is currently a member of the U.S. Nuclear Waste Technical Review Board.