Our Advocates

Jason Barbose

Senior Policy Manager (Western States)

Jason advocates for UCS’s policy priorities in California and other western states. He meets with government officials, builds partnerships with allies, and helps manage legislative and regulatory campaigns to advance UCS priorities on climate change, energy, and transportation issues. Prior to...

National Campaign Coordinator
Katherine Catalano is the Campaign Coordinator for the Clean Vehicles program at the Union of Concerned Scientists.
Kate Cell

Climate Campaign Manager
Kate works with UCS members, supporters, activists, and experts to build support for the campaign efforts of the Climate and Energy program.
Nancy Cole

Senior Strategist and Corporate Campaign Advisor
Nancy Cole is senior strategist and corporate campaign advisor for the Climate and Energy Program at the Union of Concerned Scientists.
Jessica Collingsworth

Lead Midwest Energy Policy Analyst/Advocate
Jessica Collingsworth is the lead energy policy analyst with expertise in state-level policies that curb global warming emissions through greater use of renewable energy and energy efficiency.

Midwest Campaign Coordinator

David Combs is the Midwest Outreach Coordinator for the Global Security Program at the Union of Concerned Scientists (UCS). He builds coalitions and partnerships among UCS members and other groups to push for United States leadership on nuclear weapons issues. Prior to joining UCS David...

Director of Government Affairs, Climate & Energy Program
Rob Cowin is director of government affairs for the Climate & Energy program at the Union of Concerned Scientists.

Science Network Sr. Outreach Coordinator
Shreya Durvasula is the Science Network senior campaign coordinator for the Union of Concerned Scientists.

Campaign Coordinator

Camilo Esquivia-Zapata is an outreach coordinator with the Climate...

Danielle Fox

Campaign & Science Network Manager, Center for Science & Democracy
Danielle Fox is a campaign manager and manager of the Science Network for the Center for Science and Democracy at the Union of Concerned Scientists.


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to Make Change Happen

We can ensure that decisions about our health, safety, and environment are based on the best available science—but not without you. Your generous support helps develop science-based solutions for a healthy, safe, and sustainable future.