Congressional Engagement - National Security Institute About NSI’s Mission, Approach, Vision, and Values NSI’s Commitment to Diversity NSI Experts Advisory Board Faculty Fellows Staff Career Opportunities and Job Board Donations Give a Donation Donations Policy Impact Report Cyber and Tech Center CTC’s Vision, Philosophy and Focus Areas CTC Publications NSI CTC Tech Education, AI & Cybersecurity Hub (TEACH) NSI CTC TEACH Cybersecurity + AI Clinic CTC Experts Tech Leaders & Innovators Council Cyber & Tech Security Council CTC Fellows Public Policy NSI Policy Papers Congressional Engagement Opinion Pieces Publications Education 2026 Summer Program: National Security & Separation of Powers National Security Law & Policy Program National Security Law & Policy Concentration Cyber Law National Security Law Journal Mason Veterans and Servicemembers Legal Clinic Cyber, Intelligence, & National Security LL.M. Events Upcoming Events Past Events News & Media The SCIF NSI Podcasts Fault Lines Podcast CTRL+F NSI at RNDF Coffee & Conflict NSI Live Media Appearances Print Podcast Radio Video Appearances Press Releases George Mason University Antonin Scalia Law School Contact Us 703-993-5620 Congressional Engagement About   The National Security Institute regularly engages with Congress, supporting members and their staffs, as well as executive branch officials, on critical national security topics ranging from technology and innovation policy issues to a diverse spectrum of global security challenges. NSI and our robust network of experts provide actionable policy recommendations and insightful nonpartisan policy analysis to various government stakeholders in a variety of ways.  Learn more about us below.   Our Offerings         Our Experts & Staff     NSI has a bipartisan group of over 250 experts who bring decades of experience from public service, including from a wide range of counterterrorism, defense, and intelligence agencies, as well as those who have held senior positions across Congress, private industry, and the technology community. NSI’s experts are available and excited to share their insights with the policymaking community. See our full list of experts here.   Featured Experts     Gen. Keith Alexander (Ret.) Former Director, NSA Commander, USCYBERCOM Dmitri Alperovitch Co-Founder and Chairman Silverado Policy Accelerator Sue Gordon Strategic Advisor Insight Partners Paul Rosenzweig Former Deputy Assistant Secretary for Policy U.S. Department of Homeland Security   Recent Congressional Testimony May 20, 2026 Jamil N. Jaffer House Permanent Select Committee on Intelligence: Twenty-Five Years After 9/11 – Reviewing the 9/11 Commission & Intelligence Reform Impacts April 26, 2026 Mark Montgomery House Committee on Homeland Security’s Subcommittee on Cybersecurity and Infrastructure Protection: Data Centers, Telecommunications Networks, and Space-Based Systems: Modernizing DHS’s SRMA Role for the Communications and IT Sectors April 21, 2026 Megan Stifel House Committee on Homeland Security’s Subcommittee on Border Security and Enforcement and Subcommittee on Cybersecurity and Infrastructure Protection: Online Scams, Crypto Fraud, and Digital Extortion: An Examination of How Transnational Criminal Networks Target Americans April 16, 2026 Dmitri Alperovitch House Select Committee on Strategic Competition Between the U.S. and the CCP: China’s Campaign to Steal America’s AI Edge March 25, 2026 Stewart Baker U.S. Congress Joint Economic Committee: The Rising Global Scam Economy: Modernizing Federal Approaches to Protect Americans from Foreign Fraudsters   See all previous Congressional testimony from NSI experts here. STAY INFORMED Get the latest updates from the National Security Institute. subscribe The National Security Institute (NSI) at the Antonin Scalia Law School at George Mason University is dedicated to finding practical answers to national security law and policy questions. Read More Important Links Public Policy Education Media Events Resources Contact us The National Security Institute Antonin Scalia Law School George Mason University 3301 Fairfax Dr. Arlington, VA 22201 703-993-5620 Contact Us The National Security Institute © All Rights Reserved.2017