Active duty in the Signal Corps of the U.S. Army, former Chief of Plans & Strategy at U.S. Army Cyber Command.

Award-winning journalist whose work has appeared in New York Times Magazine, Foreign Policy, The Economist, and The New Yorker, author of The Wall Dancers: Searching for Freedom and Connection on the Chinese Internet, 2021 ASU Future Security Fellow at New America.

Journalist, and author of New York Times best-seller Without You, There Is No Us: Undercover Among the Sons of North Korean Elite, recipient of Guggenheim fellow, Fulbright fellow, 2019 ASU Future of War Fellow at New America. 

Former Chief Strategist in the State Department’s Counterterrorism Bureau and Senior Counterinsurgency Advisor to General David Petraeus, author of multiple best-selling books including The Dragons and the Snakes: How the Rest Learned to Fight the West and Blood Year: The Unraveling of Western Counterterrorism, Founding Future of War Senior Fellow 2014-2018.

Journalist, and author of The Big Truck That Went By: How the World Came to Save Haiti and Left Behind a Disaster, awarded the Medill Medal for Courage in Journalism, 2019 ASU Future of War Fellow at New America.

Staff writer at The Atlantic and formerly at the Washington Post, where he covers national security, author of @War: The Rise of the Military-Internet Complex, 2015 ASU Future of War Fellow at New America. 

Contributing writer for the New York Times Magazine, author of From Life Itself: Turkey, Istanbul, and a Neighborhood in the Age of Erdoğan and Notes on a Foreign Country: An American Abroad in a Post-American World, which was a finalist for the 2018 Pulitzer Prize, 2020 ASU Future Security Fe

Journalist, and writer focused on war, terrorism, and national security, working on the growing political influence of U.S. militant groups, 2022 ASU Future Security Fellow at New America.

Former Special Assistant to the President and Special Advisor to the Homeland Security Advisor on Countering Domestic Violent Extremism, former Executive Director, Institute for Constitutional Advocacy and Protection, Georgetown University Law Center, 2018 ASU Future Security Fellow at New America.

Contributing opinion writer for The New York Times writing on women’s rights in conflict zones, author of The H-Spot: The Feminist Pursuit of Happiness, ASU Future of War Fellow at New America 2018-2019