Expert Search

Senior Vehicles Analyst
Dave Cooke is a senior vehicles analyst in the Clean Vehicles Program, specializing in both light- and heavy-duty fuel economy.
Marcia DeLonge
Sr. Scientist, Food and Environment
Marcia DeLonge is a senior scientist in the Food & Environment Program at the Union of Concerned Scientists where she conducts scientific research and analyses identifying practices that lead to healthy, sustainable food and farming systems.
Juan Declet-Barreto
Kendall Science Fellow
Juan Declet-Barreto joined UCS in January of 2016 as a joint Kendall Science Fellow for the Climate & Energy program and the Center for Science and Democracy. He partners with environmental...
Director of State Policy and Analysis
As director of state policy and analysis, Jeff Deyette conducts analysis on the economic and environmental costs and benefits of renewable energy and energy efficiency policies. In addition, he serves as assistant director of energy research for the UCS Climate and Energy Program.
Brenda Ekwurzel
Senior Climate Scientist, Director of Climate Science
Brenda Ekwurzel is the director of climate science at UCS, supervising analyses and conducting research linking rising global temperatures to major carbon emitters.
Kendall Science Fellow
Richard Ezike is the Mobility and Equity Kendall Science Fellow with the Clean Vehicles program at the Union of Concerned Scientists. His interests lie in the intersection of equity, accessibility,...
Peter Frumhoff
Director of Science & Policy
Peter Frumhoff, a global change ecologist with expertise in climate change and tropical forest conservation, ensures that UCS brings robust science to bear on our efforts to strengthen public policies.
Paula Garcia
Energy Analyst
Paula Garcia, an energy analyst in the Climate and Energy Program, evaluates energy resource and climate change mitigation options in the electricity sector and works to advance public understanding of renewable and conventional energy technologies, policies, and markets.
Daniel Gatti
Policy Analyst, Clean Vehicles Program
Daniel Gatti is a policy analyst for the Clean Vehicles program at the Union of Concerned Scientists. Gatti’s work is focused on efforts to reduce emissions in the transportation sector in the...
Jamesine Rogers Gibson
Western States Senior Climate Analyst
Jamesine Rogers Gibson is the Western states senior climate analyst for the Climate & Energy program.

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