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Nicholas Parrillo

William K. Townsend Professor of Law

Yale University


Nicholas R. Parrillo is Townsend Professor of Law at Yale.  He is a recipient of the ABA’s award for the year’s best scholarship in administrative law, as well as the Law and Society Association’s Hurst prize for the year’s best book in legal history, and his works have appeared in venues including the Harvard Law Review and the Yale Law Journal.  His empirical work provided the basis for the U.S. Administrative Conference’s best practices on the federal government’s use of guidance documents.  He has testified before Congress and been an invited speaker before the Second Circuit Judicial Conference, the law-and-science committee of the National Academy of Sciences, and the U.S. Department of Justice’s summit on administrative procedure.