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 impact of new technologies. He is widely considered a leading authority on the Fourth Amendment.

Kerr regularly appears on lists of the most influential legal scholars in the United States. He has written more than seventy-five law review articles in addition to authoring casebooks and treatise chapters. His latest book is The Digital Fourth Amendment (Oxford 2025). Kerr’s scholarship has been cited in over 500 judicial decisions, including several U.S. Supreme Court opinions.

Before joining academia, Kerr was a trial attorney in the Computer Crime and Intellectual Property Section at the U.S. Department of Justice. 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 the George Washington University, the University of Southern California, and the University of California at Berkeley. He has been a visiting professor at the University of Chicago, the University of Pennsylvania, and Yale.