Sarah Seo is a legal historian of criminal law and procedure in the 20th-century United States. Currently, she is a professor at Columbia Law School, where she teaches criminal law, criminal procedure, and legal history. Previously, Seo taught at Iowa Law School.Seo's first book, "Policing the Open Road: How Cars Transformed American Freedom," was published in 2019. Her work has appeared in academic journals, The Atlantic, Boston Review, Lapham’s Quarterly, Le Monde Diplomatique, The New York Review of Books, and The Washington Post.Seo received her J.D. from Columbia Law School in 2007, and then clerked for Judge Denny Chin, then of the U.S. District Court for the Southern District of New York, and Judge Reena Raggi of the U.S. Court of Appeals for the 2nd Circuit.