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<span class="vcard">Ryan B. Greer</span>

Ryan B. Greer

Ryan B. Greer (Twitter , LinkedIn) serves as National Security Director and Chief of Staff for Government Relations, Advocacy, and Community Engagement at the Anti-Defamation League. Ryan also serves as a non-resident Fellow at New America and the Truman National Security Project. He consulted for the interagency Countering Violent Extremism Task Force following serving at the Department of State and White House National Security Council.

Articles by this author:

Supporters of U.S. President Donald Trump fly a U.S. flag with a symbol from the group QAnon as they gather outside the U.S. Capitol January 06, 2021 in Washington, DC.

Antisemitism and Threats to American Democracy

Jan. 26, 2023 and
US President Joe Biden walks through the door of the Roosevelt Room of the White House in Washington, DC on June 21, 2022, as he arrives to speak on Covid-19 vaccines for children under 5. Flags stand on either side of the door.

One Year On: Marking Progress on Biden’s Counter-Domestic Terrorism Strategy

Jun. 23, 2022
An overhead view of the Pentagon building in Washington, DC.

Post-January 6th, the Military is Addressing Extremism in Its Ranks. Sort of.

Jan. 27, 2022
The weapons and ammunition federal agents found in Christopher Paul Hasson's Silver Spring apartment. At least nine large guns are shown along with a number of smaller guns and other weapons.

Reviewing the First-Ever National Strategy to Counter Domestic Terrorism

Jun. 18, 2021
A cricket supporter holds a sign reading "Terrorism has no religion real Muslims aren't terrorists!", after the mass shooting that occurred in New Zealand, during the 2nd elimination PSL Twenty20 match between Peshawar Zalmi and Islamabad United in Karachi on March 15, 2019.

New Zealand Attacks: A Wake-Up Call to Counter Far-Right Extremist Violence

Mar. 15, 2019 and

Reframing Prevention: If Government Won’t Lead, Civil Society Must Step Up to Curb Extremism

Dec. 10, 2018 and
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Building Civil Liberties Protections Into the EU’s Latest Border Discussions

Feb. 19, 2016

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