Erwin Chemerinsky joined the Duke faculty in July 2004 after 21 years at the University of Southern California Law School, where he was the Sydney M. Irmas Professor of Public Interest Law, Legal Ethics, and Political Science. Before that he was a professor at DePaul College of Law from 1980-83. Practiced law as a trial attorney, United States Department of Justice, and at Dobrovir, Oakes & Gebhardt in Washington, D.C. Received a B.S. from Northwestern University and a J.D. from Harvard Law School. Author of four books: Federal Jurisdiction (2007); Constitutional Law: Principles and Policies (2006); Constitutional Law (2005); Interpreting the Constitution (1987); also, author of over 100 law review articles that have appeared in journals such as the Harvard Law Review, Michigan Law Review, Northwestern Law Review, University of Pennsylvania Law Review, Stanford Law Review and Yale Law Journal. Writes a regular column on the Supreme Court for California Lawyer, Los Angeles Daily Journal, and Trial Magazine, and is a frequent contributor to newspapers and other magazines. Regularly serves as a commentator on legal issues for national and local media.