Joshua Stevens was the lead visualizer of NASA’s Earth Observatory from 2015 to 2023. He has researched and taught cartographic design, geovisual analytics, and remote sensing for more than a decade. He was the lead author of the 2012 update to the online geography textbook, Mapping Our Changing World. His work has been featured by a variety of media, including The New York Times, The Washington Post, National Geographic, and the Discovery Channel.