Congressional Affairs at CSIS
As a bipartisan think tank, CSIS strives to provide a platform for leaders in Congress to engage with the broader policy community on issues affecting U.S. national security and foreign affairs.
Expert Support for Congress
For more than 50 years, CSIS has prioritized outreach to Members of Congress and their staff to provide in-depth, strategic analysis and guidance from the world’s leading experts in defense and security policy, global challenges, and regional studies. More recently, CSIS has also prioritized outreach on issues related to economic security and technology.
Through speaking events, topical briefing series, participation in policy conferences, and membership on commissions and task forces, CSIS helps leaders in Congress effectively engage the broader policy community.
CSIS’s expertise in providing grounded, actionable, and bipartisan policy solutions uniquely positions CSIS to help Congress address the national security, development, and foreign policy challenges facing the United States.
CSIS Provides:
- A bipartisan platform from which members of Congress can powerfully engage the wider policy community
- In-office briefings from top policy experts with government, academic, and field experience
- Staff-focused policy discussions
- Hill briefs, short digests of key issues for congressional staff
- Commentaries, Critical Questions, and other timely analysis on current issues
- In-depth reports with realistic policy recommendations
- Testimony
- Opportunities for Members and staff to participate in CSIS events, projects, and initiatives
Are you a congressional staff wanting to contact a CSIS expert? Are you interested in CSIS public or private events for Members of Congress and staff? Connect with our team!
Featured Testimony
Photo: CSIS
From Production to Procurement: How Europe and Ukraine are Transforming Defense Supply Chains
Congressional Testimony by Kateryna Bondar — December 10, 2025
All Congressional Affairs at CSIS Content
Filter by
U.S. Cyber Capabilities to Deter and Disrupt Malign Foreign Activity Targeting the Homeland
Congressional Testimony by Emily Harding — January 13, 2026
Strengthening the U.S.-India Partnership: A Fireside Chat with Reps. Rich McCormick and Ami Bera
Event — January 12, 2026
Critical Minerals: 2025 Year in Review & Looking Ahead to 2026
Event — December 15, 2025
From Production to Procurement: How Europe and Ukraine are Transforming Defense Supply Chains
Congressional Testimony by Kateryna Bondar — December 10, 2025
Framing a U.S. Approach to the West Bank
Congressional Testimony by Jon B. Alterman — December 10, 2025
Strategic Trajectories Assessing China’s Space Rise and the Risks to U.S. Leadership
Congressional Testimony by Clayton Swope — December 4, 2025
Operation of the Agreement Between the United States of America, the United Mexican States, and Canada
Congressional Testimony by Diego Marroquín Bitar — December 3, 2025
Countering China’s Challenge to American AI Leadership
Congressional Testimony by Gregory C. Allen — December 2, 2025
Lebanon’s Path Forward: A Fireside Chat with Congressman Darin LaHood (R-IL)
Event — December 1, 2025
President Trump’s Redesignation of Nigeria as a “Country of Particular Concern—CPC”: A Serious, Well-founded Wake-up Call
Congressional Testimony by Oge Onubogu — November 20, 2025