Grey Nearing is a Research Scientist at Google. He holds a PhD in Hydrology from the University of Arizona and has worked on global hydrological modeling at NASA, the National Center for Atmospheric Research, and NOAA. Before joining Google, he was a professor at the University of Alabama, and the University of California Davis. Dr. Nearing and colleagues developed early implementations of machine learning flood forecasting models that are now used at Google and in the NOAA Next-Generation National Water Model.