Robert A. Levy is a senior fellow in constitutional studies at the Cato Institute, and a member of the board of directors at the Cato Institute, which he joined in 1997 after 25 years in business. Levy was co-counsel to Mr. Heller in District of Columbia v. Heller, the recent Supreme Court case in which the Washington, D.C.’s gun ban was rule unconstitutional.

Levy also sits on boards of the Institute for Justice, the Federalist Society, and the George Mason University School of Law. He founded CDA Investment Technologies, a major provider of financial information and software, and was its CEO until 1991. Levy clerked for Judge Royce C. Lamberth on the U.S. District Court in Washington, D.C., and for Judge Douglas H. Ginsburg on the U.S. Court of Appeals for the D.C. Circuit. From 1997 until 2004, Levy was an adjunct professor of law at Georgetown University. He has written numerous articles on investments, law, and public policy. His writing has appeared in the New York Times, Wall Street Journal, USA Today, Washington Post, National Review, and many other publications. Levy has also discussed public policy on national radio and TV programs, including ABC’s Nightline, CNN’s Crossfire, Fox’s The O’Reilly Factor, MSNBC’s Hardball, and NBC’s Today Show. His new book, co-authored with William Mellor, is The Dirty Dozen: How Twelve Supreme Court Cases Radically Expanded Government and Eroded Freedom. Levy received his Ph.D. in business from the American Universityand his J.D. degree from the George Mason University School of Law.