Our Advocates

Senior Policy Analyst, Clean Vehicles Program
Joshua leads legislative and regulatory campaigns in support of the organization’s national transportation policy agenda.
Michael Halpern

Deputy Director, Center for Science and Democracy
As deputy director of the Center for Science and Democracy, Michael Halpern works to promote solutions that ensure government decisions are fully informed by scientific information and that the public understands the scientific basis for those decisions.
Jonna Hamilton

Senior Manager of Government Affairs
Jonna Hamilton is senior Washington representative for the Clean Vehicles Program.

Emily Heffling

Major Gift Officer

Campaign Associate

Tiffany Hsieh is a campaign associate with the Center for Science and Democracy. In her role, she works closely with members of the UCS Science Network: 25,000 scientists and other experts who wish to use their skills and training to make a difference in their communities.

Yogin Kothari

Senior Manager of Government Affairs
Yogin Kothari is a Washington representative with the Center for Science and Democracy.
Mike Lavender

Senior Manager of Government Affairs
Mike Lavender is the senior manager of government affairs for the Union of Concerned Scientists’ Food & Environment program.

Climate Research & Engagement Associate

Nick Mailloux is a climate research and engagement associate with the Climate & Energy program at the Union of Concerned Scientists.

Manager, Strategic Campaigns

Prior to re-joining UCS in January, 2007, Sean Meyer served as Project Director for the Security Policy Working Group, a consortium of defense and security policy analysts and think tanks. Before that, he served for over 5 years in senior marketing and communications positions for a Western, MA...

Western States Senior Campaign Manager
Deborah Moore is the Western States Senior Campaign Manager at the Union of Concerned Scientists.

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We Need Your Support
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.