- Aaron Y. Zelin, “Why Is It So Difficult to Get Off a Terrorist List?,” Lawfare, July 3, 2022.
- Aaron Y. Zelin, “The Age of Political Jihadism: A Study of Hayat Tahrir al-Sham,” Policy Focus 175, Washington Institute for Near East Policy, May 9, 2022.
- Aaron Y. Zelin, “Second Islamic State Leader Killed in Hayat Tahrir al-Sham Territory,” Policy Alert, Washington Institute for Near East Policy, February 3, 2022.
- Aaron Y. Zelin, “From Global Jihad to Local Regime: HTS Builds Different Forms of Legitimacy,” Policy Watch 3519, Washington Institute for Near East Policy, August 6, 2021.
- Aaron Y. Zelin, “Affirmations of Support and Rituals of Jihadi Martyrdoms,” Global Network on Extremism and Technology, June 17, 2021.
- Aaron Y. Zelin, “Hayat Tahrir al-Sham’s Expanding Tribal Engagement,” Policy Watch 3499, Washington Institute for Near East Policy, June 11, 2021.
- Aaron Y. Zelin, “Russia Signals Biden with Attack on Syrian Jihadist Group,” Policy Alert, Washington Institute for Near East Policy, June 11, 2021.
- Aaron Y. Zelin, “The policy consequences of Arab state normalization with the Assad regime,” Middle East Institute, June 2, 2021 [With Oula Alrifai].
- Aaron Y. Zelin, “Protests in Daraa, Syria Undermine Assad’s Narrative of Victory,” Fikra Forum, April 2, 2021 [With Oula Alrifai].
- Aaron Y. Zelin, “Jihadi Movements 2021: ISIS, al-Qaeda, and Hayat Tahrir al-Sham,” The Wilson Center, March 17, 2021.
- Aaron Y. Zelin, “Assad Is Giving Biden Every Reason to Prioritize Syria,” Policy Watch 3443, Washington Institute for Near East Policy, March 3, 2021 [With Oula Alrifai].
- Aaron Y. Zelin, “Syria at the Center of Power Competition and Counterterrorism,” Washington Institute for Near East Policy, Policy Notes Number 95, February 2021.
- Aaron Y. Zelin, “Tunisians of the Iraq Jihad and How That Set the Stage for the Syrian Jihad,” The ISIS Blog, January 29, 2021.
- Aaron Y. Zelin, “My Beloved Brothers in God, This Is An Invitation: The Islamic State’s Dawa and Mosques Administration,” ISIS Files, George Washington University, December 2020.
- Aaron Y. Zelin, “Living Long Enough To See Yourself Become The Villain: The Case of Abu Muhammad al-Maqdisi,” Jihadica, September 10, 2020.
- Aaron Y. Zelin, “The Jihadi-Backed Salvation Government and Covid-19 in Northwest Syria,” Istituto per gli studi di politica internazionale, May 15, 2020.
- Aaron Y. Zelin, “Syria’s Three Governments Confront the Coronavirus,” Policy Watch 3294, Washington Institute for Near East Policy, April 1, 2020 [With Oula Alrifai].
- Aaron Y. Zelin, “A Year Since Baghuz, the Islamic State Is Neither Defeated nor Resurging (Yet),” Policy Watch 3287, Washington Institute for Near East Policy, March 25, 2020.
- Aaron Y. Zelin “After Baghdadi: How the Islamic State Rebounds,” Policy Watch 3207, Washington Institute for Near East Policy, October 28, 2019 [With Katherine Bauer and Matthew Levitt].
- Aaron Y. Zelin, “The Islamic State in Syria After the U.S. Withdrawal,” Policy Watch 3203, Washington Institute for Near East Policy, October 23, 2019.
- Aaron Y. Zelin, “Wilayat al-Hawl: ‘Remaining’ and Incubating the Next Islamic State Generation,” Policy Notes 70, Washington Institute for Near East Policy, October 2019.
- Aaron Y. Zelin, “Huras al-Din: The Overlooked al-Qaeda Group in Syria,” Policy Watch 3188, Washington Institute for Near East Policy, September 24, 2019.
- Aaron Y. Zelin, “Repatriating Western Jihadists: The Impact of U.S. Syria Policy,” Policy Watch 3086, Washington Institute for Near East Policy, February 27, 2019 [With Matthew Levitt].
- Aaron Y. Zelin, “Mission Unaccomplished: The Tweet That Upended Trump’s Counterterrorism and Iran Policies,” War on the Rocks, December 25, 2018 [With Matthew Levitt].
- Aaron Y. Zelin, “Revisiting the Islamic State’s 2011-2014 Reemergence: Lessons for the Future,” Washington Institute for Near East Policy, Policy Watch 2903, December 18, 2017.
- Aaron Y. Zelin and Jacob Olidort, “The Islamic State’s Views on Homosexuality,”Policy Watch 2630, Washington Institute for Near East Policy, June 14, 2016.
- Aaron Y. Zelin and Jonathan Prohov, “How Western States Other than EU Countries Are Responding to Foreign Fighters? A Glance at USA, Canada, Australia, and New Zealand,” in ed. Andrea de Guttry, Francesca Capone and Christophe Paulussen, Foreign Fighters Under International Law and Beyond, Springer Verlag [With Jonathan Prohov].
- Aaron Y. Zelin, “Filtering the Islamic State’s Meta-Narratives: From Global to Local,”The Carter Center, February 2016.
- Aaron Y. Zelin, “Is ISIS Good at Governing?,” Brookings Institution, February 9, 2016.
- Aaron Y. Zelin, “The Islamic State’s Territorial Methodology,” Policy Notes 29, Washington Institute for Near East Policy, January 2016.
- Aaron Y. Zelin and Oula A. Alrifai, “The Islamic State in Southern Syria,” CTC Sentinel, Volume 8, Issue 11, November/December 2015.
- Aaron Y. Zelin, “Targeting Europe’s Refugees Is Not the Answer,” Policy Watch 2524, Washington Institute for Near East Policy, November 16, 2015.
- Aaron Y. Zelin, “Picture or It Didn’t Happen: A Snapshot of the Islamic State’s Official Media Output,” Perspectives on Terrorism, Volume 9, Number 4, 2015.
- Aaron Y. Zelin and Oula A. Alrifai, “Assad Plays America the Fool…Again,” The National Interest, March 21, 2015.
- Aaron Y. Zelin, “Foreign Fighter Motivations,” Statement submitted for the conference “Taking the Fight to ISIL: Operationalizing CT Lines of Effort Against the Islamic State Group,” Washington Institute for Near East Policy, February 2, 2015.
- Aaron Y. Zelin, “The Islamic State’s Model,” The Washington Post’s Monkey Cage, January 28, 2015.
- Aaron Y. Zelin, “The Islamic State: A Video Introduction,” Washington Institute for Near East Policy, January 13, 2015.
- Aaron Y. Zelin, “The Radicalization of Syria,” Per Concordiam, Volume 5 Issue 3, September 2014.
- Aaron Y. Zelin, “Abu Bakr al-Baghdadi: Islamic State’s Driving Force,” BBC, July 30, 2014.
- Aaron Y. Zelin, “ISIS Is Dead, Long Live the Islamic State,” Foreign Policy, June 30, 2014.
- Aaron Y. Zelin, “Syria: The Epicenter of Future Jihad,” Policy Watch 2278, Washington Institute for Near East Policy, June 30, 2014.
- Aaron Y. Zelin, “The War Between ISIS and al-Qaeda for Supremacy of the Global Jihadist Movement,” Research Notes 20, Washington Institute for Near East Policy, June 2014.
- Aaron Y. Zelin, “The Massacre Strategy,” Politico, June 17, 2014.
- Aaron Y. Zelin “The ISIS Guide to Building an Islamic State,” The Atlantic, June 13, 2014.
- Aaron Y. Zelin, “Sunni Foreign Fighters in Syria: Background, Facilitating Factors, and Select Responses,” PfPC Background Paper No. 1, George Marshall Center’s Partnership for Peace Consortium, May 21, 2014.
- Aaron Y. Zelin and Jonathan Prohov, “Proactive Measures—Countering the Returnee Threat,” Lawfare, May 18, 2014.
- Aaron Y. Zelin, “The Saudi Foreign Fighter Presence in Syria,” CTC Sentinel, Volume 7 Issue 4, April 2014.
- Aaron Y. Zelin, “Inside Baseball on Syrian Rebel Infighting,” War On the Rocks, February 7, 2014.
- Aaron Y. Zelin, “Al-Qaeda Disaffiliates with the Islamic State of Iraq and al-Sham,” Policy Alert, Washington Institute for Near East Policy, February 4, 2014.
- Aaron Y. Zelin and Phillip Smyth, “The Vocabulary of Sectarianism,” Foreign Policy‘s Middle East Channel, January 29, 2014.
- Aaron Y. Zelin, “Foreign Jihadists in Syria: Tracking Recruitment Networks,” Policy Watch 2186, Washington Institute for Near East Policy, December 19, 2013.
- Aaron Y. Zelin, “Up to 11,000 Foreign Fighters in Syria; Steep Rise Among Western Europeans,” International Centre for the Study of Radicalisation and Political Violence, December 17, 2013.
- Aaron Y. Zelin, “Rebels Consolidating Strength in Syria: The Islamic Front,” Policy Watch 2177, Washington Institute for Near East Policy, December 3, 2013.
- Aaron Y. Zelin, Patrick Clawson, Michael Eisenstadt, Matthew Levitt, David Schenker, Andrew J. Tabler, and Jeffrey White, “No Good Outcome: How Israel Could Be Drawn into the Syrian Conflict,” Policy Focus 131, Washington Institute for Near East Policy, November 2013.
- Aaron Y. Zelin and Barak Barfi, “Al Qaeda’s Syrian Strategy,” Foreign Policy, October 10, 2013.
- Aaron Y. Zelin, “A Closer Look at ISIS (Part II),” Policy Watch 2138, Washington Institute for Near East Policy, September 11, 2013.
- Aaron Y. Zelin, “A Closer Look at ISIS (Part I),” Policy Watch 2137, Washington Institute for Near East Policy, September 10, 2013.
- Aaron Y. Zelin, Jeffrey White, and Andrew J. Tabler, “Syria’s Military Opposition: How Effective, United, or Extremist?,” Policy Focus 128, Washington Institute for Near East Policy, September 2013.
- Aaron Y. Zelin and Matthew Levitt, “Hizb Allah’s Gambit in Syria,” CTC Sentinel, Volume 6 Issue 8, August 2013.
- Aaron Y. Zelin and Soner Cagaptay, “Turkey’s Jihadi Dilemma,” CNN Global Public Square, August 5, 2013.
- Aaron Y. Zelin and Thomas Hegghammer, “How Syria’s Civil War Became a Holy Crusade,” Foreign Affairs, July 7, 2013.
- Aaron Y. Zelin and Charles Lister, “The Crowning of the Syrian Islamic Front,” Foreign Policy’s Middle East Channel, June 24, 2013.
- Aaron Y. Zelin, Evan F. Kohlmann, and Laith al-Khouri, “Convoy of Martyrs in the Levant,” Jihadology and Flashpoint Intel, June 2013.
- Aaron Y. Zelin, “Announcement of an Islamic State in Syria,” Policy Alert, Washington Institute for Near East Policy, April 9, 2013.
- Aaron Y. Zelin, “European Foreign Fighters in Syria,” International Centre for the Study of Radicalisation and Political Violence, April 2, 2013.
- Aaron Y. Zelin, “Al-Qaeda in Iraq Enters the Syrian Conflict,” al-Wasat, March 11, 2013.
- Aaron Y. Zelin and Daveed Gartenstein-Ross, “Uncharitable Organizations,” Foreign Policy, February 26, 2013.
- Aaron Y. Zelin, “Deciphering the Jihadist Presence in Syria: An Analysis of Martyrdom Notices,” CTC Sentinel, Volume 6 Issue 2, February 2013.
- Aaron Y. Zelin, “Salafis Consolidate Power in Syria,” al-Wasat, February 6, 2013.
- Aaron Y. Zelin, “The Syrian Islamic Front: A New Extremist Force,” The Washington Institute for Near East Policy, Policy Watch #2030, February 4, 2013.
- Aaron Y. Zelin, “The Syrian Islamic Front’s Order of Battle,” al-Wasat, January 22, 2013.
- Aaron Y. Zelin, Andrew Tabler, and Jeff White, “Fallout from the Fall of Taftanaz,” The Washington Institute for Near East Policy, Policy Watch #2015, January 14, 2013.
- Aaron Y. Zelin, “Rally ‘Round the Jihadist,” Foreign Policy, December 11, 2012.
- Aaron Y. Zelin, “The Rise of Al Qaeda in Syria,” Foreign Policy, December 6, 2012.
- Aaron Y. Zelin, “The Evolution of the Jihadi Role in the Syrian Rebellion,” al-Monitor, October 18, 2012.
- Aaron Y. Zelin, “Distinguishing Between Foreign Fighters in Syria,” al-Wasat, September 24, 2012.
- Aaron Y. Zelin, “Assad’s Self-Fulfilling Prophecy,” Pravda Slovakia, August 14, 2012.
- Aaron Y. Zelin, “Foreign Fighters Trickle into the Syrian Rebellion,” The Washington Institute for Near Policy, Policy Watch #1950, June 11, 2012.
- Aaron Y. Zelin, “Syria’s New Jihadis,” Foreign Policy, May 22, 2012.
- Aaron Y. Zelin and Andrew Tabler, “Syrian Jihadis: Real and Exaggerated,” The Washington Institute for Near Policy, Policy Watch #1937, May 17, 2012.
- Aaron Y. Zelin, “Signs Beyond Western Eyes: Unpacking The Announcement of the al-Bara’ ibn Malik Martyrs Brigade,” al-Wasat, February 18, 2012.
- Aaron Y. Zelin, “Jabhat al-Nusrah and Jihad in Syria,” al-Wasat, January 30, 2012.