Jasper Oshun is a hydrogeologist motivated to understand the relationships between landscapes, land use, and water resources. His expertise lies at the intersection of geology, hydrology, geophysics, ecohydrology, and critical zone science. Jasper earned his PhD from UC Berkeley in 2016. Prior to joining GDCS, Jasper was a faculty member of geology at Humboldt State University, a Fulbright Scholar at the Universidad de Ingeniería y Tecnología in Lima, and a research scientist at Rutgers University – Newark. His teaching and research draw on multiple disciplines and emphasize inclusive and community-based approaches to science. Since 2018, he has led interdisciplinary water resources research in development in the Peruvian Andes. He joins GDCS to study water resources and water quality from ridge to reef on the Big Island of Hawai’i.