Clayton Aldern is an advisor, data scientist, and journalist with expertise in homelessness policy, climate change, machine learning, and neuroscience. A Rhodes Scholar and Reynolds Journalism Institute Fellow, he holds a master's in neuroscience and a master's in public policy—with a focus on climate change and security—from the University of Oxford. His journalism has been published by The Atlantic, The Economist, Scientific American, Logic, and many others. From 2017 to 2019, he led the data analysis and program evaluation team for the homelessness programs at Pierce County, Washington.