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.
Casey has a degree in Physics with a concentration in Astronomy from Oberlin College.
You can contact Casey via email at: [email protected].
Latest Articles
The Save NASA Science Day of Action drew nearly 300 people from across the United States to Washington, D.C., to promote space science and exploration.
In a milestone that reflects our expanding advocacy and outreach presence in Washington, D.C., Ari Koeppel will join The Planetary Society as the organization's first AAAS Science & Technology Policy Fellow.
NASA's science budget is under threat. Here's what that could mean to the human endeavor of exploration.
Latest Planetary Radio Appearances
After DOGE cuts, mass staff departures, and a blink-and-you-missed-it pivot to Mars, how much did NASA actually change in 2025? Space Policy Online founder Marcia Smith returns to assess a turbulent year.
As NASA faces unprecedented proposed cuts to its science programs, Planetary Radio looks back at a pivotal year for U.S. space policy and advocacy. The Planetary Society’s space policy team unpacks what happened, why funding uncertainty matters, and what comes next for space science.
Why do we explore space? In this Space Policy Edition rerun, Casey Dreier speaks with philosopher Dr. J. S. Johnson-Schwartz about why space science is a moral obligation, beyond economics or prestige.


