Gordon Grant is a Research Hydrologist with the USDA Forest Service at the Pacific Northwest Research Station in Corvallis, Oregon, USA, and also Courtesy Professor in the College of Earth, Ocean, and Atmospheric Sciences at Oregon State University. Following a decade-long career as a whitewater river guide on western US rivers, in 1985 he began his career with the research branch of the Forest Service with the overarching goal of advancing understanding of how stream networks, watersheds, and entire landscapes respond to changes in streamflow, sediment transport, and wood entrainment. His research has focused on the geomorphic response of rivers to changes in stream flow and sediment transport due to land use, dams and dam removal, volcanic eruptions, and climate change. This work has included extended collaborations with research groups in Japan, China, and Italy. He is a former Deputy and Associate Editor for the journal Water Resources Research, and a Fellow of the Geological Society of America. He also serves on the board of directors of the Consortium of Universities for the Advancement of Hydrologic Sciences (CUASHI) and chairs the National Steering Committee for the US National Science Foundation-sponsored Critical Zone Observatory.