Professor Joh teaches in criminal law and procedure, constitutional law, and policing at the U.C. Davis School of Law. Her research focuses on the regulation of the police, with special emphases on undercover operations, DNA evidence collection, and new surveillance technologies. Professor Joh has been a visiting professor at Stanford Law School, and has published widely in law journals including the Stanford Law Review, the California Law Review, the Northwestern University Law Review, the Washington Law Review, and the Boston University Law Review. She received her J.D./Ph.D. (Law and Society) from New York University, and her B.A. from Yale University. After law school, Professor Joh clerked for the Honorable Stephen Reinhardt of the Ninth Circuit Court of Appeals.
The Center for Internet and Society at Stanford Law School is a leader in the study of the law and policy around the Internet and other emerging technologies.