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Co-Director, Global Security Program
Lisbeth Gronlund, co-director of the UCS Global Security Program and senior scientist, is an expert on technical and policy issues related to nuclear weapons, ballistic missile defenses, and space weapons.
Rachel Licker
Senior Climate Scientist
Rachel Licker is a senior climate scientist with the Climate & Energy Program at the Union of Concerned Scientists. In her role, Dr. Licker communicates climate science to policymakers, the...
Acting Director of the Nuclear Safety Project
Edwin Lyman, a senior scientist in the UCS Global Security Program, is an expert on nuclear weapons policy, nuclear materials, and nuclear terrorism.
Senior Scientist and Director of Fuels Policy
Jeremy Martin, a senior scientist in the Clean Vehicles Program, evaluates the impact of biofuels and fuel policy.
Senior Climate Scientist
Geeta Persad is a senior climate scientist with the Climate & Energy Program at the Union of Concerned Scientists.
Senior Vehicles Engineer
Cecilia Moura, senior vehicles engineer in the Clean Vehicles program, conducts research on transportation energy and emissions in support of regional policy campaigns that aim to reduce oil use and mitigate vehicle emissions.
Director, Center for Science and Democracy
Andrew Rosenberg, director of the UCS Center for Science and Democracy, leads our efforts to advance the essential role that science, evidence-based decision making, and constructive debate play in American policy making.
Director, Food & Environment Program
Ricardo Salvador, an expert in sustainable agriculture practices, is a senior scientist and director of the UCS Food & Environment Program.
Fellow (Solar Geoengineering Research, Governance and Public Engagement)
Shuchi Talati is a UCS Fellow on solar geoengineering research governance and public engagement with the Climate & Energy program at the Union of Concerned Scientists.
Co-Director, Global Security Program
David Wright, co-director of the UCS Global Security Program, is an established expert on the technical aspects of arms control, particularly those related to missile defense systems, missile proliferation, and space weapons.

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