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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

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
Publication  |  August 5, 2026

Leading in the Space Economy: A Strategic Playbook for Governors and Mayors

  • Mary Guenther
Op-Ed  |  July 27, 2026

Guenther and Mandel for Florida Today: Florida’s space play offers a roadmap for beating China

  • Mary Guenther Michael Mandel
Op-Ed  |  July 8, 2026

Guenther for The Hill: NASA Should Remember How It Helped SpaceX Become What It Is Today

  • Mary Guenther
Op-Ed  |  June 4, 2026

Guenther and Perez Quinn for the Baltimore Sun: Proposed cuts to satellite funding are a threat to science

  • Mary Guenther Susie Perez Quinn
Press Release  |  March 19, 2026

PPI Lays Out Strategy to Protect Earth While Powering America’s Booming Space Economy

  • Mary Guenther Susie Perez Quinn
Publication  |  March 19, 2026

Space for Progress, Earth for Keeps: An Integrated Framework for Space and the Environment

  • Mary Guenther Susie Perez Quinn

Related Projects

Making Space Work for Us

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