Barbara Sherwood Lollar CC FRS NAE FRSC FRCGS – University Professor in Earth Sciences, University of Toronto is a Fellow of the American Geophysical Union (2015), the Geochemical Society (2019) and European Association of Geochemistry (2019). She is Co-Director of the Great Ideas CIFAR program Earth 4D – Subsurface Science and Exploration. She is currently a member of the Eni Prize Commission (2013-2021), the American Geophysical Union Honors and Recognition Committee, the United States National Academy of Sciences Space Studies Board, the U.S. National Academy Decadal Survey Steering Committee for Planetary Sciences and Astrobiology, the Fellows Selection Committee for the Royal Society London UK, the International Continental Drilling Program Science Advisory Committee, among others.
Sherwood Lollar’s pioneering work establishing the principles for using isotopic tracers to identify, and most importantly quantify, microbial and chemical transformation of groundwater contaminants has had a global impact in the field of drinking water remediation.