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Casey Dreier

Chief of Space Policy, The Planetary Society

[email protected]


Casey leads The Planetary Society's advocacy and policy efforts to advance planetary exploration, planetary defense, and the search for life. He educates and empowers the organization's members to take political action. He writes, teaches, and speaks to The Society's members, the public, and policymakers to impress upon them the importance, relevancy, and excitement of space exploration.

Casey is committed to demystifying the politics and policy process behind space exploration for all audiences. He is a trusted source for journalists and has been featured in many publications, including The New York Times, The Washington Post, The Atlantic, Scientific American, Vox, and The Verge, to name a few. He also has appeared as an expert on BBC News and both seasons of National Geographic's MARS series as a "MARS Big Thinker".

He also leads the strategic planning of The Planetary Society's space policy and advocacy program. He works closely with The Society's leadership, its Board of Directors, and other policy experts to craft the organization's formal positions and goals for the future of space exploration. He provides trusted analysis of the budgetary, political, and policy decisions relating to space, pursues original research, and works collaboratively to generate policy ideas and guidance for the U.S. space program.

He also hosts the podcast Planetary Radio: Space Policy Edition, which has been published monthly since 2016. And has written the free monthly newsletter, The Space Advocate, since 2015.

Casey has a degree in Physics with a concentration in Astronomy from Oberlin College.

You can contact Casey via email at: [email protected], or find him on Threads @CaseyDreierSpace.

Latest Articles

The U.S. Senate threatens to cancel Mars Sample Return

The House has yet to weigh in. And much can still happen before this threat is realized.

What’s going on with Mars Sample Return?

NASA's biggest science project is undergoing an unprecedented second independent review amidst growing cost estimates and daunting technical and managerial challenges.

2023 Digital Day of Action recap

The Planetary Society's all-virtual advocacy event was a success, with more than 1,500 advocacy actions taken.

Latest Planetary Radio Appearances

Space Policy Edition: Was the Space Shuttle a policy failure?

Though the Space Shuttle program lasted 30 years and built the ISS, it fell short of NASA's goals for cost, reusability, and reliability. Can a program be both a worldly success and a policy failure? In this Space Policy Edition, we dissect a classic space policy paper and debate its relevance today.

Space Policy Edition: What went wrong with Mars Sample Return

NASA's Mars Sample Return mission is both a top priority and seriously troubled. Independent review board chair Orlando Figueroa joins us to talk about the challenges and what must be done.

Space Policy Edition: Why lunar exploration must be of enduring national interest

Scott Pace, the prior executive secretary of the National Space Council, discusses why Artemis is of strategic value to U.S. national interests — and why the Moon is unique as a destination to drive global space exploration.