Joshua Geltzer

Fellow, International Security Program

Joshua Geltzer is a fellow in New America's International Security program. He served from 2015 to 2017 as senior director for counterterrorism at the National Security Council staff, having served previously as deputy legal advisor to the National Security Council and as counsel to the assistant attorney general for national security at the Department of Justice.  He also served as a law clerk to Justice Stephen Breyer of the U.S. Supreme Court and, before that, as a law clerk to Chief Judge Alex Kozinski of the Ninth Circuit Court of Appeals.  Josh received his J.D. from Yale Law School, where he served as editor-in-chief of the Yale Law Journal, and his PhD in War Studies from King’s College London, where he was a Marshall Scholar.  Before that, he attended Princeton University, majoring in the Woodrow Wilson School of Public and International Affairs.  He is the author of US Counter-Terrorism Strategy and al-Qaeda: Signalling and the Terrorist World-View, published by Routledge; and his work has appeared in ParametersStudies in Conflict & Terrorism, the Journal of Constitutional Law, and the Berkeley Journal of International Law.

All Work

INTERNATIONAL SECURITY
Judge Bolton Should Let Someone Make the Argument Against Vacating Joe Arpaio's Conviction

Joshua Geltzer wrote for Lawfare on the upcoming hearing for Joe Arpaio's request to have his conviction for criminal contempt vacated.


INTERNATIONAL SECURITY
Blowing the Whistle on Trump's Mistreatment of Civil Servants

Joshua Geltzer co-wrote for the Hill on President Trump's mistreatment of civil servants within the federal government.


INTERNATIONAL SECURITY
Trump's Voter Fraud Commission Must Protect Data from Hackers

Joshua Geltzer wrote for the Hill on the urgent need to protect the sensitive data collected by the President's voter-fraud commission.


INTERNATIONAL SECURITY
Trump's Recycled Afghanistan Policy

Joshua Geltzer wrote for the Atlantic on the lack of new ideas in President Trump's Afghanistan strategy.


INTERNATIONAL SECURITY
Can Trump Refuse to Fill Key Jobs?

Joshua Geltzer co-wrote for the Hill on whether President Trump can refuse to fill key executive-branch positions.


INTERNATIONAL SECURITY
Will IS Losses in Iraq, Syria Boost al-Qaida?

Joshua Geltzer was quoted on a VOA News article about the effects of recent IS losses in Iraq and Syria


INTERNATIONAL SECURITY
Is Closing Guantanamo Still Conceivable?

Joshua Geltzer wrote for the Atlantic on the feasibility of closing on GTMO, and what will happen to the remaining 41 prisoners.


INTERNATIONAL SECURITY
Can President Trump Just Leave Key Executive Branch Offices Unfilled?

Joshua Geltzer co-wrote for Lawfare on the unfilled senior in the Executive Branch, and whether they can remain that way.


INTERNATIONAL SECURITY
Mr. President, Don't Forget Other Americans Held Unjustly Overseas

Joshua Geltzer co-wrote for CNN about Otto Warmbier's release from captivity in North Korea and other Americans still held hostage abroad.


INTERNATIONAL SECURITY
Trump's Message to the World: Do It Yourself

Joshua Geltzer co-wrote for CNN on the maxim underlying President Trump's message to foreign countries: Do it yourself.


INTERNATIONAL SECURITY
What Trump's Qatar Tweets Revealed

Joshua Geltzer wrote for the Atlantic about President Trump's transactionalist approach to dealing with Qatar.


INTERNATIONAL SECURITY
The Only Constant Is Trump

Joshua Geltzer wrote for the Atlantic about the lack of constancy in President Trump's foreign policy: