About Lucas

Lucas Guttentag is a attorney specializing in immigration law, currently serving as a Professor of the Practice of Law at Stanford Law School and as a Martin R. Flug Lecturer in Law and Senior Research Scholar at Yale Law School. He has been a member of the California State Bar since 1979. Guttentag earned his Juris Doctor cum laude from Harvard Law School in 1978 and his Bachelor of Arts with honors from the University of California, Berkeley, in 1973.

Following his graduation, he clerked for Judge William Wayne Justice in Texas. In 1985, Guttentag founded the American Civil Liberties Union's Immigrants' Rights Project (IRP) and served as its national director until 2010. Under his leadership, the IRP became a leading organization in immigrant justice litigation, successfully arguing major cases in the U.S. Supreme Court and various federal and state courts.

His government service includes roles as Senior Counselor to the Secretary of Homeland Security in 2014 and as Senior Counselor to the Deputy Attorney General in 2021. In these positions, he provided senior-level advice on immigration policy. Guttentag has been recognized with numerous honors, including being named a Human Rights Hero by the American Bar Association's Human Rights Journal in 2001 and receiving the Jack Wasserman Litigation Award from the American Immigration Lawyers Association multiple times. He is an elected member of the American Law Institute and a Fellow of the American Bar Foundation.

Guttentag continues to contribute to the field through his teaching and ongoing involvement in immigration policy and litigation.

Education

Harvard Law School

J.D.

University of California - Berkeley

A.B.

Experience

Senior Counselor to the Deputy Lawyer General. Senior advisor for immigration policy

United States Department of Justice
2021

Senior Counselor to Secretary of Homeland Security

United States Department of Homeland Security
2014

Professor of the Practice of Law

Stanford Law School
2012

Martin R. Flug Lecturer in Law & Senior Research Scholar

Yale Law School
2009

Lecturer (adjunct)

University of California, Berkeley School of Law (Boalt Hall).
1996

adjunct lecturer teaching immigration law

Columbia University School of Law
1987

Founder and national director ACLU Immigrants’ Rights Project (IRP)

American Civil Liberties Union Foundation (ACLU), National Office, New York and California
1985

Staff attorney

Center for Law in the Public Interest, Los Angeles, California.
1979

Accepted Jurisdictions

U.S. Supreme Court
New York
California

Court Admissions

U.S. Supreme Court U.S. Supreme Court
California Supreme Court State Supreme Court
U.S. District Court for the Northern District of California U.S. District Court
U.S. Court of Appeals for the Ninth Circuit U.S. Circuit Court

Types of Cases Handled

immigration law

Legal Services Scope

Litigation Policy advisory

Professional Associations

California State Bar

has membership Current

American Law Institute (ALI)

2014 - Current

American Bar Foundation

Fellow 2007 - Current

Sources

Information is based on available sources as of February 21, 2026. For the most current details, please refer to official records or contact the individual directly.