James Andrew Lewis

Senior Adviser (Non-resident), Economic Security and Technology Department
James Andrew Lewis

James Lewis writes on technology and strategy at the Center for Strategic and International Studies (CSIS). Before joining CSIS, he was a diplomat and a member of the Senior Executive Service. Lewis has a track record of being among the first to identify new tech and security issues and devise polices to address them. He developed groundbreaking policies on cybersecurity, remote sensing, encryption, spectrum management, and high-tech exports to China, including 5G, software, and semiconductors. He also helped create the Wassenaar Arrangement. Lewis was a senior adviser for four UN Groups of Governmental Experts on Information Security, and his work on norms to build stability in cyberspace is foundational. He leads a long-running track 2 dialogue with the China Institutes of Contemporary International Relations. His current work looks at how countries innovate and at digitalization and its political, economic, and security effects. Early in his career, Lewis was a political adviser to two combatant commanders. Lewis has authored numerous publications since coming to CSIS (see the full list here). He is frequently quoted in the media, has served on several federal advisory committees, and has testified numerous times before Congress. He received his PhD from the University of Chicago.

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Active Cyber Defense in the Korean Context

Active cyber defense in the South Korean context reflects a larger strategic adjustment to an increasingly hostile environment. It will require significantly expanded military and intelligence capabilities.

Report by James Andrew Lewis — March 12, 2026

Experts React: Unpacking the Trump Administration’s Plan to Win the AI Race

The Trump administration's launch of its AI Action Plan and accompanying executive orders removes any doubt that global leadership in AI is at the heart of economic competitiveness and national security. Our experts unpack the administration's road map and its prospects for impact.

Commentary by CSIS Scholars — July 25, 2025

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Experts React: Unpacking the Trump Administration’s Plan to Win the AI Race

An audio version of “⁠Experts React: Unpacking the Trump Administration’s Plan to Win the AI Race⁠,” a new Commentary by CSIS’s Navin Girishankar, Kirti Gupta, Matt Pearl, Philip Luck, James Andrew Lewis, Leslie Abrahams, Sujai Shivakumar, Erin L. Murphy, Noam Unger, and Madeleine McLean. This audio was generated with text-to-speech by Eleven Labs.

Podcast Episode by CSIS Scholars — July 25, 2025

Audio Briefs

Criteria for Cyber Situational Awareness

By establishing a comprehensive framework for cyber situational awareness, the United States and South Korea can enhance their ability to detect, analyze, and respond to sophisticated cyber threats targeting their shared strategic interests and critical infrastructure.

Commentary by Julia Brock and James Andrew Lewis — May 22, 2025

Audio Briefs

Criteria for Cyber Situational Awareness

An audio version of “⁠⁠Criteria for Cyber Situational Awareness⁠,” a new commentary by CSIS's Julia Brock and James Andrew Lewis. This audio was generated with text-to-speech by Eleven Labs.

Podcast Episode by Julia Brock and James Andrew Lewis — May 22, 2025

Audio Briefs

CSIS Commission on U.S. Quantum Leadership

This report provides recommendations on how the United States can advance its position in quantum technologies to be a global leader in this critical area.

Report by CSIS Scholars — January 31, 2025