The National Security Institute (NSI) at George Mason University has announced its Fall 2025 class of Visiting Fellows.
As members of the Fellows network, they will advance NSI’s mission by contributing to national security debates, publishing scholarship and commentary, and engaging in events that connect policymakers, experts, and the public.
Alice Borene – Senior Advisor, Lexpat Global Services
David Bray – Principal & CEO, LeadDoAdapt (LDA) Ventures, Distinguished Chair of the Accelerator, Stimson Center
Scott Claffee – Managing Director, Complex Matters, Guidepost Solutions LLC
Maggie Dougherty – Senior Fellow, Harvard Carr-Ryan Center for Human Rights
Karina Lipsman – Head of Government Relations, Victims of Communism Memorial Foundation
Jeanette McMillian – Strategic Advisor, Socialife Designs LLC and Former Assistant Director for Supply Chain and Cyber Directorate, National Counterintelligence and Security Center (NCSC)
Lartease Tiffith – Principal, Amalfi Global Group
Nate Walton – Principal, Sachem Strategies
NSI also added to its roster of CTC Visiting Fellows whose expertise spans technology, cybersecurity, and national security. These Fellows will play a key role in advancing the CTC’s mission by providing leadership, supporting actionable solutions to today’s cyber challenges, and engaging with policymakers on emerging technology issues.
Tatyana Bolton – Principal, Head of Cyber Practice, Monument Advocacy
David Cook – National Security Advisor, Congressman Darrell Issa (R-CA-48)
Tristan Coughlin – Director and Senior Attorney, Data Privacy and Cybersecurity, American Airlines
Col. Byron Owen – Director of Intelligence, Marine Corps Forces Cyberspace Command
Sean Singleton – Managing Principal, Oglethorpe Capital LLC and U.S. Venture Partner, Beaten Zone Venture Partners (BZV)
“NSI is thrilled to welcome these outstanding leaders to our Fellows Program,” said Jamil N. Jaffer, NSI Founder and Executive Director. “Their expertise and practical experience will enrich NSI’s work and help drive forward key policy discussions on the pressing national security challenges facing our nation and its allies.”
The original announcement can be found here.