Title and Institution: Distinguished Professor, University of California, Santa Cruz, CA, USA

Andrew Fisher has been a professor at the University of California since 1995, where he runs the Hydrogeology research group in the Department of Earth and Planetary Sciences, and is affiliated with the Departments of Ocean Sciences, Environmental Studies, and Microbiology and Environmental Toxicology. Fisher’s group specializes in measuring and modeling water-sediment-rock interactions, and especially the use of heat as a tracer to map patterns and rates of fluid flow. Fisher was a Co-PI with the Center for Dark EnergySet featured image Biosphere Investigations and is currently a Co-PI with the Crustal Ocean Biosphere Research Accelerator (COBRA), and a NASA project exploring hydrothermal processes on Ocean Worlds. He holds a B.S. in Geology from Stanford University and a Ph.D. in Marine Geology and Geophysics from the Rosenstiel School for Marine and Atmospheric Sciences (University of Miami). Fisher is a Fellow of the American Association for the Advancement of Science, the American Geophysical Union, and the Geological Society of America.