Katrin Marquez

Attorney and Elfie Gallun Fellow in Freedom and the Constitution

Katrin Marquez is an attorney at the Institute for Justice and IJ’s current Elfie Gallun Fellow in Freedom and the Constitution. She previously served as a Dave Kennedy Fellow in the Florida office and as a Constitutional Law Fellow at headquarters. She returned to IJ after clerking for Judge James C. Ho of the U.S. Court of Appeals for the Fifth Circuit and Judge Roy K. Altman of the U.S. District Court for the Southern District of Florida.

Katrin earned her law degree from Yale Law School, where she was a Coker Fellow in Constitutional Law and a Knight Law & Media Scholar with the Media Freedom and Information Access Clinic. She was also the executive editor in charge of Inter Alia, an online publication of the Yale Law & Policy Review.

Katrin earned her B.A. in political science and Asian languages and civilizations from Amherst College and her M.S.Ed. in education policy from the University of Pennsylvania Graduate School of Education. After college, she spent two years teaching English in Gwangju, South Korea as a Fulbright Fellow.

Katrin lives in Miami, where she grew up after immigrating from Cuba as a young child.

Katrin's Cases

Educational Choice

Wyoming School Choice

CHEYENNE — Today, on behalf of Wyoming families, the Partnership for Educational Choice, a joint project of EdChoice and the Institute for Justice, filed a motion to intervene as defendants in the lawsuit brought…

Economic Liberty | Vending

Tarpon Springs Food Trucks

Tarpon Springs, Florida bans food trucks from operating in the downtown area, unless the owner also has a brick-and-mortar restaurant. The owners of one food truck are working with IJ to fight for their right…

See More

Katrin's Amicus Briefs

Roberts v Thompson

Roberts v Thompson

United States Court of Appeals for the 8th Circuit

Brown v. Pouncy

Brown v. Pouncy

United States Supreme Court

Katrin's News, Articles & Publications

See More

Katrin's Podcasts

December 05, 2025

Short Circuit 405 | Judges as Employers

What happens if you sue your employer and your boss’s boss is a federal judge? It’s kind of complicated. Aliza Shatzman of the Legal Accountability […]

Listen Now