William Smith is an educator and researcher with expertise in ecosystem ecology, remote sensing, the carbon and water cycle, and high performance computing. He is the PI of the Ecosystem Climate Dynamics (ECD) Lab in the School of Natural Resources and the Environment at the University of Arizona. The research focus of the lab is on understanding the complex responses of the terrestrial biosphere to rising atmospheric CO2, climate change, and land-use change across broad temporal and spatial scales through the application of satellite observations, field network data, and ecosystem process models.