Biography

Professor in the Department of Earth Sciences at the University of Connecticut and Director of the Center for Environmental Science and Engineering (CESE). His research integrates geochemistry, environmental science, and organic chemistry, using stable isotope and organic molecular tracers to investigate interactions among climate, ecosystems, and the environment. As Director of CESE, he brings together researchers across disciplines to advance understanding of environmental change, contaminants, and risks to communities and infrastructure. Dr. Hren joined UConn in 2012. He served as Associate Department Head of Earth Sciences from 2019 to 2025 and currently serves as an Editor of the American Journal of Science. He earned his bachelor's and master's degrees at Dartmouth College and his doctorate at Stanford University in 2007, followed by fellowships at Yale University and the University of Michigan.