About Us - Tom Damassa

Tom Damassa
Associate Director, Global Climate Solutions

Tom Damassa is an associate director of global climate strategies, bringing his breadth of expertise across sectors and geographies to help philanthropists identify critical climate solutions with meaningful impact.

Before CLI, Tom led the climate change department at Oxfam America, where he directed climate justice initiatives and managed a team of policy experts advocating for climate action in the public and private sectors. He also established an Oxfam campaign to reduce short-lived pollutants like methane to address challenges at the intersection of climate, health, and equity. Previously, he spent a decade at the World Resources Institute where he led foreign and domestic policy research and created climate data products. Tom has worked on climate at the state and federal level within the U.S. and has collaborated with experts around the world on research, policy analysis, and advocacy.

Tom holds a BS in geological sciences and environmental studies from Tufts University and an MS in geosciences from the University of Arizona. Based in Washington, DC with his family, he is committed to promoting structural changes at scale and contributing to a more sustainable future for all global citizens.