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<span class="vcard">Katherine Yon Ebright</span>

Katherine Yon Ebright

Katherine Yon Ebright (Bluesky – LinkedIn – X) serves as counsel with the Brennan Center’s Liberty & National Security Program, where she focuses on war powers and the constitutional separation of powers. Before joining the Brennan Center, Katherine served as a fellow at the Public International Law & Policy Group and as a law clerk on the Second Circuit and the Southern District of New York.

Articles by this author:

A man walks in front of the Supreme Court building at dusk.

The Courts Can Stop Abuse of the Alien Enemies Act – the Political Question Doctrine is No Bar

Mar. 20, 2025 Katherine Yon Ebright

Members of the national guard move a red ladder.

Trump’s Doubly Flawed “Invasion” Theory

Feb. 19, 2025 Elizabeth Goitein and Katherine Yon Ebright

Seen from an aerial view, immigrants walk along the U.S.-Mexico border wall

What Should Courts Do If a Future President Invokes the Alien Enemies Act to Deport Immigrants?

Feb. 27, 2024 Katherine Yon Ebright

An aerial image shows migrants waiting along the border wall to surrender to Border Patrol agents for immigration and asylum claim processing

DeSantis Campaign’s Border Proposal Raises Separation of Powers Concerns

Jul. 18, 2023 Katherine Yon Ebright and Joseph Nunn

U.S. Special Operations Commander Gen. Bryan Fenton, Assistant Defense Secretary for Special Operations Christopher Maier and Gen. Paul Nakasone, commander of U.S. Cyber Command and director of the National Security Agency, sit in at tables to testify before the Senate Armed Services Committee.

Congress Should Limit, Not Expand, Irregular Warfare Authority

Mar. 30, 2023 Katherine Yon Ebright

A US army battle tank drives with other infantry-fighting vehicles across dunes.

How Support to Partner Forces Enables Secret War

Nov. 3, 2022 Katherine Yon Ebright

Image: A group of about 12 men, all wearing white cowboy hats, sit around a conference table. Texas Governor Greg Abbott sits at the end of the table, speaking, in front of the seal of the state of Texas and flanked by American and Texas flags. AUSTIN, TX - JULY 10: Texas Gov. Greg Abbott speaks during a border security briefing with sheriffs from border communities at the Texas State Capitol on July 10, 2021 in Austin, Texas. (Photo by Tamir Kalifa/Getty Images)

The Biden Administration’s Options for Responding to Abbott’s Unconstitutional Border Enforcement Executive Order

Jul. 13, 2022 Katherine Yon Ebright and Joseph Nunn

Taiwanese military vehicles take part in a national day parade in front of the Presidential Palace in Taipei on October 10, 2021.

Unilateral Use of Force in the “National Interest”: Taiwan Doesn’t Meet the Test

Nov. 12, 2021 Katherine Yon Ebright