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Dustin A. Lewis

Associate Senior Researcher

Dustin A. Lewis

Dustin A. Lewis

Dustin Lewis is an Associate Senior Researcher in SIPRI’s Armament and Disarmament programme. Dustin is the Research Director for the Harvard Law School Program on International Law and Armed Conflict (HLS PILAC). With a focus on public international law sources and methods, he leads research into several wide-ranging contemporary challenges related to securing peace, protecting civilians, regulating hostilities, safeguarding the environment, and ending armed conflicts. Dustin has served as a principal organizer for a series of senior workshops — on detention at Guantánamo Bay, military activities in outer space, artificial intelligence in war, partnered warfare, and urban sieges — co-convened by HLS PILAC, the International Committee of the Red Cross Washington Delegation, and military institutions.

Dustin regularly briefs governments, U.N. system actors, scholars, members of the media, and non-governmental organizations. In addition to conducting peer review for academic and policy publishers, he also takes part in select expert initiatives. Dustin’s previous positions have included serving as a Visiting Professional in chambers at the International Criminal Court, as a project manager and technical lead at the Berkman Klein Center for Internet and Society at Harvard University, and as a program associate at the Program on Humanitarian Policy and Conflict Research (HPCR).

Subject expertise

International humanitarian law; international criminal law; jus ad bellum; terrorism and counter-terrorism; humanitarian action; autonomous weapon systems; artificial intelligence; U.N. Security Council; environmental protection


LL.M., International Law of Human Rights and Criminal Justice, Utrecht University; A.B. History (International Relations subfield), Harvard College

United States
External publications