Board
Frank Rambo
Executive Director and Board Chair
Frank Rambo has 20 years of experience working on climate change issues, with a focus on the domestic power sector. He spent six years as an attorney in the Washington, D.C. office of Baker Botts LLP, where he specialized in Clean Air Act requirements for electric generators, followed by 14 at the Southern Environmental Law Center, which houses the country’s third largest legal staff among environmental nonprofits. There, he led SELC’s Clean Energy and Air program, its largest program area, and focused on environmental and economic issues associated with the ways we make, move, and use electric power. In 2022, Rambo launched the Horizon Climate Initiative. He received his J.D. from New York University and holds a B.S. from Sewanee: The University of the South.
Sarah Brennan
Sarah Brennan works on the Funder Collaborative on Oil & Gas, a project of the Rockefeller Family Fund. From 2019-2022, she ran Bloomberg Philanthropies’ Beyond Carbon campaign. Previously, Sarah spent seven years leading the Robertson Foundation’s environmental grantmaking, expanding the portfolio to include long-term support for a number of new areas, including methane leakage from gas infrastructure and restrictions on fossil fuel leasing on public lands. Earlier in her career, Sarah worked at the Earth Institute at Columbia University. She has also served as an economic consultant to the U.S. Environmental Protection Agency, was a case-writer at the Harvard Business School and is on the board of the Institute for Energy Economics and Financial Analysis. Sarah holds an A.B. magna cum laude in History and Public Policy from Brown University, an MPP from the Harvard Kennedy School, and an MBA from Columbia University.
Matt Cox
Matt Cox, Ph.D., is the co-founder and Chief Executive Officer of Greenlink Analytics, a clean energy and equity analysis and research organization that is built upon its award-winning modeling tools and collective knowledge. Greenlink provides the evidence and analysis needed to evaluate the most pressing issues of policy, environmental economics, and climate change. Research performed under his leadership at Greenlink has helped more than 200 cities across every U.S. state and five Canadian provinces find strategies to avoid 9.6 billion tons of CO2 emissions, avoid 32,000 premature deaths from air pollution, enable more than 200 equitable policy processes, and save over $1.2 Trillion. Matt is an energy and climate policy expert with Master’s and Doctoral degrees in public policy. Author of more than 100 scientific articles on energy efficiency and renewable energy, his research has informed policy at the local, state, national, and international levels, with recommendations adopted by several cities and states, the U.S. government, and 12 other nations.