Orin Kerr is a Professor of Law at Stanford Law School and a Senior Fellow at the Hoover Institution. Kerr teaches and writes on criminal law and criminal procedure, often focusing on the Fourth Amendment and the role of new technologies.

Professor Kerr has written more than 75 law review articles in addition to authoring casebooks and co-authoring a prominent treatise. His scholarship has been cited in more than 4,500 academic articles and in over 500 judicial decisions, including several U.S. Supreme Court opinions. Kerr’s latest book is The Digital Fourth Amendment (Oxford 2025).

Kerr is a member of the California and District of Columbia bars, and he has written briefs and argued before the U.S. Supreme Court and three federal courts of appeals. From 1998 to 2001, he was a trial attorney in the Computer Crime and Intellectual Property Section at the U.S. Department of Justice and a Special Assistant U.S. Attorney in the Eastern District of Virginia. He served as a law clerk to Judge Leonard I. Garth of the U.S. Court of Appeals for the Third Circuit and Justice Anthony M. Kennedy of the U.S. Supreme Court.

Kerr previously held tenured positions at George Washington University, the University of Southern California, and the University of California, Berkeley. He has been a visiting professor at the University of Chicago, the University of Pennsylvania, and Yale.