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Dan Hammer is co-founder of LGND, which builds AI infrastructure that makes Earth observation data searchable and actionable for people and AI agents, and co-founder of Clay, the open-source foundation model for Earth, where he now serves as Creative Technologist focused on public-interest applications. He is a Fellow at Renaissance Philanthropy and co-founder of Ode, a design and technology agency for environmental organizations whose work has earned multiple Webby and Anthem Awards.
Earlier, Dan served as Chief Data Scientist at the World Resources Institute, where he helped build the first versions of Global Forest Watch, as a Senior Policy Advisor in the White House Office of Science and Technology Policy, as a Presidential Innovation Fellow at NASA, and as a Senior Advisor at Google X. He has taught as an adjunct at UC Berkeley and Georgetown.
Dan is a National Geographic Explorer, winner of the inaugural Pritzker Emerging Environmental Genius Award, and recipient of UC Berkeley’s Mark Bingham Award. He holds a PhD and an MS in environmental economics from UC Berkeley and a BA with high honors in mathematics and economics from Swarthmore College, where he was a Lang Scholar and Watson Fellow.