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Thomas Joscelyn

Senior Fellow

Areas of Impact:

Sub-Saharan Africa, North Africa, Sudan, Global War on Terrorism, Somalia, Terrorist Detainees, Iraq, Al Qaeda, Afghanistan

Biography:

Thomas Joscelyn is a senior fellow at the Foundation for Defense of Democracies and senior editor of FDD's Long War Journal, a widely read publication dealing with counterterrorism and related issues. Much of his research focuses on how al Qaeda and its affiliates operate around the globe. Mr. Joscelyn was the senior counterterrorism adviser to Mayor Giuliani during the 2008 presidential campaign. He has testified before Congress on numerous occasions, including before the Senate Foreign Relations Committee, House Homeland Security Committee, House Foreign Affairs Committee, and House Judiciary Committee.  Mr. Joscelyn is also a frequent contributor to The Weekly Standard. His work has been published by a variety of other publications and cited by the Associated Press, Reuters, The Washington Post, USA Today, TIME, Foreign Policy, and many others, and he makes regular appearances on television and radio programs.

Thomas Joscelyn is a senior fellow at the Foundation for Defense of Democracies and senior editor of FDD's Long War Journal, a widely read publication dealing with counterterrorism and related issues. Much of his research focuses on how al Qaeda and the Islamic State (or ISIS, ISIL) operate around the globe. He is a trainer for the FBI’s Counterterrorism Division. Mr. Joscelyn has testified before Congress on twelve occasions, including before the Senate Committee on Foreign Relations, House Homeland Security Committee, House Foreign Affairs Committee, House Armed Services Committee and House Judiciary Committee. He was the senior counterterrorism adviser to Mayor Giuliani during the 2008 presidential campaign. Mr. Joscelyn is also a frequent contributor to The Weekly Standard. His work has been published by a variety of other publications and cited by the Associated Press, Reuters, The Washington Post, USA Today, TIME, Foreign Policy, and many others. He makes regular appearances on television and radio programs.

Mr. Joscelyn has constructed dossiers for hundreds of terrorists during the course of his work. The Daily Beast has described him as one of “the most trusted authorities on the al Qaeda network because of his encyclopedic knowledge of terrorist biographies.” In 2007, he published a monograph titled, Iran’s Proxy War Against America, which details Iran’s decades-long sponsorship of America’s terrorist enemies. In 2008, he completed an exhaustive review of the Guantanamo Bay detainee population, cataloging and analyzing thousands of pages of declassified documents.  

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Bomb suspect praised Osama bin Laden, Anwar al Awlaki in notebook

21st September 2016 – The Long War Journal

Bomb suspect praised Osama bin Laden, Anwar al Awlaki in notebook

Thomas Joscelyn

The Department of Justice has charged Ahmad Khan Rahami with the bombings in New York and New Jersey on Sept. 17, as well as other planned attacks. more...

Analysis & Commentary

7th December 2016 – FDD's Long War Journal

British captive John Cantlie appears in new propaganda video from Mosul

Thomas Joscelyn

The Islamic State’s Amaq News Agency has released a new video featuring British journalist John Cantlie, who has been held captive since he was kidnapped in Syria in 2012. more...

6th December 2016 – FDD's Long War Journal

Islamic State has claimed more than 1,000 suicide attacks thus far in 2016

Thomas Joscelyn

The Islamic State’s Amaq News Agency releases an infographic summarizing the total number of “martyrdom operations” (suicide attacks) carried out by its followers each month. The latest infographic, which was released yesterday and can be seen below, indicates that 132 suicide bombings were launched in Iraq and Syria during the month of November. more...

5th December 2016 – FDD's Long War Journal

New Islamic State spokesman seeks to rally Sunnis against Iran, West

Thomas Joscelyn

The Islamic State’s Furqan Media Foundation has released an audio message from the group’s new spokesman, Abu al Hassan al Muhajir. Abu Muhammad al Adnani served as the organization’s top propagandist for years until he was killed in an American airstrike in August. The Islamic State had not named a successor since then, meaning no jihadist had served in quite the same role as Adnani for more than three months. more...

29th November 2016 – FDD's Long War Journal

Islamic State claims its ‘soldier’ carried out Ohio State attack

Thomas Joscelyn

The Islamic State’s Amaq News Agency has released a short statement claiming that yesterday’s attack at Ohio State University was the work of its “soldier.” Abdul Razak Ali Artan, a Somali refugee, drove his car into a crowd of people before exiting the vehicle and using a knife to assault his victims. more...