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Mary Guenther

Head of Space Policy

Mary Guenther is the Head of Space Policy at the Progressive Policy Institute. In this role, Mary focuses on evaluating and developing policy solutions that address how the United States government’s relationship with space actors should evolve and how to best harness the benefits of space for people here on Earth.

Prior to joining PPI, Mary served as the Vice President of Space Policy at the Commercial Space Federation (CSF). In that role, Mary drove consensus on space policy issues amongst roughly 90 member companies representing various facets of the commercial space economy and engaged with lawmakers, executive agencies, and the public to get those policy solutions implemented. 

Prior to CSF, Mary served as a Professional Staff Member at the United States Senate Committee on Commerce, Science, and Transportation focusing on space, science, emerging technology, cybersecurity, and manufacturing policy. In that role, she worked with colleagues to author and pass through the Senate the CHIPS and Science Act as well as a variety of smaller pieces of legislation.

Recent Work

Domain Awareness  |  October 23, 2026

Ukraine Blindsided by Starlink Satellite Restrictions

  • Danielle Steitz Mary Guenther Tamar Jacoby
Blog  |  October 7, 2026

Guenther and Steitz on Radically Pragmatic: Trump’s War on Data Access Has Taken to the Stars

  • Mary Guenther Danielle Steitz
Domain Awareness  |  October 1, 2026

U.S. Military Completes Withdrawal from Iraq

  • Danielle Steitz Mary Guenther
In the News  |  October 1, 2026

Guenther in Satellite Today: FCC Continues Deregulation Push with Environmental Regulations and More Spectrum

  • Mary Guenther
Publication  |  September 29, 2026

An Explainer to the FCC’S Push to Clarify NEPA’s Application to Satellites

  • Mary Guenther
Press Release  |  September 1, 2026

PPI Commends House Subcommittee Advancement of Bipartisan Satellite Streamlining Bill to Help U.S. Win Modern Space Race

  • Mary Guenther
Op-Ed  |  August 11, 2026

Guenther and Ware for Real Clear Science: The Trump Administration’s Most Dangerous Attack on Science Yet

  • Mary Guenther Alix Ware
Press Release  |  August 5, 2026

New Playbook Gives Governors and Mayors a Blueprint for Winning the $1.8 Trillion Space Race with China

  • Mary Guenther

Related Projects

Making Space Work for Us

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