Reto Gieré is a Professor of Earth and Environmental Science at the University of Pennsylvania. He received his Ph.D. from ETH Zürich, Switzerland, and has held appointments at Purdue University, the Australian Nuclear Science & Technology Organization, Albert-Ludwigs-Universität in Freiburg, and the Carnegie Institution for Science, amongst others.
Gieré's broad research interests involve environmental geochemistry, energy and waste, mineralogy and petrology, and health impacts of atmospheric pollution. Reto is a member of the University of Pennsylvania’s Center for Excellence in Environmental Toxicology (CEET). Additionally, Reto is an Editor of the Journal of Petrology and Chief Editor of the European Journal of Mineralogy.