Orin Kerr is a Professor of Law at the University of California at Berkeley. He specializes in criminal procedure and computer crime law, and he has also taught courses in criminal law, evidence, and professional responsibility.


Kerr's scholarship includes more than 65 law review articles, over 40 of which have been cited in judicial opinions (including seven articles that have been cited in U.S. Supreme Court opinions). Kerr has been ranked the 5th most-cited legal scholar by HeinOnline as well as the most-cited law professor in criminal law and procedure.  He has authored several casebooks and co-authored the leading criminal procedure treatise.  These days he also wastes a lot of time on Twitter.

Kerr is a licensed attorney active in the California and District of Columbia bars. His experience includes briefing and arguing cases in the United States Supreme Court and three federal circuits. He has testified before Congress six times, and he served on the Advisory Committee for the Federal Rules of Criminal Procedure by appointment of Chief Justice Roberts.

Before joining academia, Professor Kerr 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 earned a B.S.E. magna cum laude in Mechanical and Aerospace Engineering from Princeton, an M.S. in Mechanical Engineering from Stanford, and a J.D. magna cum laude from Harvard Law School.  He was a law clerk for Judge Leonard I. Garth of the U.S. Court of Appeals for the Third Circuit and Justice Anthony M. Kennedy of the United States Supreme Court.