Stephanie Sanok Kostro
Acting President

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Stephanie Kostro became Acting President for PSC in May 2025. Previously, she was Executive Vice President, Policy, and led PSC's policy team that is committed to advocating for and
supporting productive collaboration between the federal
government and services industry. As a recognized
executive, on-air commentator, and policy expert with
more than 20 years of experience in the U.S. Government and industry, she brings
a wealth of knowledge in federal procurement policy and acquisition regulations,
government processes and programs, and public-private partnerships.
Prior to joining PSC in 2021, Kostro was a Principal at a government relations and
consulting firm where she developed and implemented policy, funding, and
business development strategies for a global client base. She worked extensively
with civilian, defense, diplomatic, and intelligence officials, as well as with federal
departments’ oversight committees in Congress.
From 2010-2015, she was a senior fellow and director of the Homeland Security and
Counterterrorism Program at the Center for Strategic and International Studies, a
prominent national security think tank. Kostro served as a State Department
contractor at U.S. Embassy Baghdad for one year, and from 2005-2008, she was a
senior professional staff member and policy director on the House of
Representatives Armed Services Committee. At the Pentagon from 1998-2005, she
worked in a variety of offices within the Office of the Secretary of Defense, on the
Joint Staff, and in embassies and missions overseas.
Kostro holds a master’s degree in public policy from Harvard University’s John F.
Kennedy School of Government and a bachelor’s degree in communication from
Cornell University. She lives in Alexandria, Virginia with her husband, Rich, and their
two daughters. In her free time, she enjoys hiking, gardening, and – when
conditions allow – travel
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