Colin P. Clarke is a Senior Research Fellow at The Soufan Center. Clarke is also an assistant teaching professor in the Institute for Politics and Strategy (IPS) at Carnegie Mellon University, where he also has responsibilities with the Institute for Strategic Analysis (ISA) and serves on the executive board for the Masters of Information Technology Strategy (MITS) program.Before coming to CMU, Clarke spent nearly a decade at the RAND Corporation where he was a senior political scientist focusing on terrorism, insurgency and criminal networks. At RAND, Clarke directed studies on ISIS financing, the future of terrorism and transnational crime, and lessons learned from all insurgencies between the end of WWII and 2009.

He was also a member of the Pardee RAND Graduate School (PRGS) faculty.He is also an associate fellow at the International Centre for Counter-Terrorism- The Hague (ICCT), a non-resident Senior Fellow at the Foreign Policy Research Institute (FPRI), and a member of the network of experts at the Global Initiative Against Transnational Organized Crime. He was previously a fellow at the Program on Extremism at George Washington University and the Matthew B. Ridgway Center for International Security Studies at the University of Pittsburgh’s Graduate School of Public and International Affairs (GSPIA), where he received his Ph.D. in international security policy (2012).

Clarke has briefed his research at a range of national and international security forums, including the U.S. Army War College, US Air Force Special Operations School, Society for Terrorism Research International Conference, the Global Counterterrorism Forum (GCTF) and the Counter ISIS Financing Group (CIFG), which is part of the Global Coalition to Defeat ISIS. He has served as an expert witness on terrorism related topics, testifying before Congress on several occasions. In 2011, he spent several months as an analyst with Combined Joint Interagency Task Force-Shafafiyat at ISAF headquarters in Kabul, Afghanistan, working for LTG H.R. McMaster, the former U.S. National Security Advisor, where he was responsible for analyzing criminal patronage networks in Afghanistan and how they fueled the insurgency.

He appears frequently in the media, has been quoted in The New York Times, The Washington Post, and The Wall Street Journal, and has published his research in Foreign Affairs, Foreign Policy, The Atlantic, Politico, Lawfare, and numerous scholarly journals, including Small Wars & Insurgencies, Orbis, Historical Methods, and Military Operations Research. Clarke is the author of Terrorism, Inc.: The Financing of Terrorism, Insurgency, and Irregular Warfare(2015) and Terrorism: The Essential Reference Guide (2018), both published by ABC-CLIO/Praeger Security International. His forthcoming book, After the Caliphate: The Islamic State and the Terrorist Diaspora will be published by Polity Press in the spring of 2019.


After the Caliphate: 

The Islamic State & the Future Terrorist Diaspora




The Essential Reference




Terrorism, Inc.:

The Financing of Terrorism, Insurgency, and Irregular Warfare

Praeger Security International




No reason for U.S. to get involved defending Saudis after attack

January 30, 2020


US mass shootings: ‘Are deaths worth the freedom of gun laws?’

August 6, 2019


An Overview of Current Trends in Terrorism and Illicit Finance

September 7, 2018

CGTN America

Iraqi forces seized Amirli; now what?

August 31, 2014

ABC News

Pro-gun rally at Virginia capital draws thousands of armed protesters

January 21, 2020

BBC World

Son of Osama Bin Laden Is Dead

August 1, 2019

CBS News

Apparent drone attack in Venezuela highlights growing concern for U.S.

August 6, 2018


Was the London incident a failure of intelligence? 

June 4, 2017

Fox News

 ISIS is big winner from US withdrawal from Syria

October 20, 2019

CGTN America, The Heat

New Zealand terrorist attack

March 18, 2019


Many suspected Barcelona attack merely a matter of time

August 17, 2017


The Forum on Returning Foreign Fighters

Foreign Terrorist Organizations: Policy Tools,

Designation, and Financing

October 30, 2018

International Institute for Counter-Terrorism (ICT)

ISIS After its Demise in Iraq and Syria

September, 2017


Foreign Policy

Baghdadi’s Death Will Make Global Affiliates More Independent

October 28, 2019

Foreign Policy

Iran’s Proxies Are More Powerful Than Ever

October 16, 2019

Foreign Affairs

The Islamic State Meets Southeast Asia

  September 16, 2019

Foreign Policy

Al Qaeda Is Ready to Attack You Again

 September 4, 2019


China’s Global War on Terrorism

August  26, 2019

Foreign Policy

Like Terrorist Father, Like Terrorist Son

August 1, 2019

The National Interest

America’s National Defense Strategy and the Paradox of Technology

January 30, 2019

Foreign Affairs

Withdrawing From Syria Leaves a Vacuum That Iran Will Fill

January 8, 2019

Foreign Policy

The United States Can’t Rely on Turkey to Defeat ISIS 

January 2, 2019 

Foreign Policy

ISIS’s New Plans to Get Rich and Wreak Havoc, Foreign Affairs

October 10, 2018 

The National Interest

Predicting the Next ISIS

October 8, 2018

The Atlantic

London and the Mainstreaming of Vehicular Terrorism

June 4, 2018


The Global Rise of White Supremacists

October 1, 2019

Right wing extremism underreported

March 18, 2019

The Future Jihadi Threat

February 7, 2019

President Trump expects US to claim all remaining ISIS territory, including caliphate

February 6, 2019


United States House of Representatives

“Survey of Terrorist Groups and Their Means of Financing” Testimony of Mr. Colin P. Clarke, before the Committee on Financial Services, Subcommittee on Terrorism and Illicit Finance

September 7, 2018

United States House of Representatives

“Jihadist Violence in the Caucasus: Russia Between Counterterrorism and Counterinsurgency”

Testimony presented by Mr. Colin P. Clarke, before the House Foreign Affairs Committee, Subcommittee on Terrorism, Nonproliferation, and Trade and Subcommittee on Europe, Eurasia, and Emerging Threats

November 7, 2017