Andrew Fisher is a distinguished professor of earth and planetary sciences at UC Santa Cruz and leads the UCSC hydrogeology group. His research interests include surface water – groundwater interactions; hydrogeology and thermal evolution of oceanic crust, seamounts, ridge flanks, and convergent margins; numerical modeling of coupled flows; groundwater recharge; aquifer characterization, testing, facies controls on hydrologic properties; instrument development for field and laboratory studies; and groundwater aquifer-marine interactions.