Robert Charles Post (born October 17, 1947) is an American legal scholar who is currently a professor of law at Yale Law School. He was the dean of Yale Law School from 2009 to 2017.
Post has been quoted in the New York Times on the composition of the Supreme Court. He was elected to the American Philosophical Society in 2011.
Post's academic interests include constitutional law, First Amendment, legal history, and affirmative action. His book entitled, Citizens Divided (2014), looks at the constitutional aspects of electoral campaign finance.
Post received his Bachelor of Arts from Harvard University in 1969 and earned his Juris Doctor from Yale Law School in 1977. While at Yale, he served as an editor of the Yale Law Journal. After law school, Post was a law clerk for D.C. Circuit Judge David L. Bazelon and Supreme Court Justice William J. Brennan, Jr.
Post subsequently earned a Ph.D. in History of American Civilization from Harvard University. He then worked briefly in private practice of law.
Post began teaching law at Berkeley School of Law at University of California in 1983. Post moved from Berkeley Law to Yale Law School in 2003. He succeeded Harold Koh as dean of the law school when Koh was appointed to serve as Legal Adviser to the U.S. State Department.
Robert Post is married to legal scholar Reva Siegel.
List of law clerks for the third seat of the Supreme Court of the United States
Robert Post on Yale Law School's website
Post, Robert: Falling Far and Fast: The Turn Against Free Speech in America, Verfassungsblog on September 21, 2025
What's going on with the Freedom of Speech? An Interview with Robert Post, Sterling Professor of Law at Yale Law School and former Dean of the School by Julian Zelizer on September 26, 2025