David Keith leads the Climate Systems Engineering Initiative at the University of Chicago. He is also a co-founder of Carbon Engineering, the first carbon removal “unicorn,” which sold more than $1 billion in 2023, and spent more than a decade as a key climate advisor to Bill Gates. His work on geoengineering has been featured in international media; he has delivered viral TED talks and public lectures; and his original writing has been published in The Economist, The New York Times, The Washington Post, The Guardian, The Boston Globe, Project Syndicate, Foreign Affairs, Vice, Slate, Wired, and The Toronto Star. TIME honored him among their Heroes of the Environment. He has testified on geoengineering before the U.S. Congress and British Parliament, and is an avid ice climber, cross country skier, and outdoorsman.
