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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

Press Release  |  August 1, 2025

New PPI Report Warns that the U.S. Rocket Launch Market is Heading Toward a Monopoly

  • Mary Guenther
Publication  |  July 31, 2025

Reigniting Rocket Competition: The Case for Refocusing on Domestic Competition in the Launch Sector

  • Mary Guenther
Press Release  |  July 28, 2025

PPI Calls on FCC to Update Satellite Rules for Faster, Cheaper Internet

  • Mary Guenther
Op-Ed  |  July 24, 2025

Guenther for Florida Today: When will NASA get a permanent leader and why is it taking so long?

  • Mary Guenther
Op-Ed  |  July 15, 2025

Guenther for The Hill: Houston, We Have a Problem: Scrapping the Space Station Harms the U.S.

  • Mary Guenther
Op-Ed  |  June 17, 2025

Guenther for The Oklahoman: Cuts to NASA Space Program will Hurt Oklahoma and Help China

  • Mary Guenther
Op-Ed  |  May 19, 2025

Guenther for Payload Space: Democrats Have Ceded Leadership on Space Policy

  • Mary Guenther
Op-Ed  |  May 1, 2025

Guenther for Real Clear Science: The Devastating Risks of Trump’s NOAA Cuts

  • Mary Guenther
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