Professor Orbach teaches and writes in the areas of business law, antitrust, and regulation. He is a member of the American Law Institute and recognized nationally and internationally as a leading scholar of antitrust and regulation. Professor Orbach holds undergraduate degrees in law and economics from Tel Aviv University and masters and doctorate degrees in law from Harvard Law School. Before joining the academia, Professor Orbach served as an Advisor for Law & Economics to the Israeli Antitrust Commissioner and as an associate with Cleary, Gottlieb, Steen & Hamilton, New York. Professor Orbach is the author of a leading casebook on regulation, Regulation: Why and How the State Regulates (Foundation Press, 2012). Additionally, he has published over 30 articles, essays, and book chapters. Professor Orbach's teaching and writing integrate the study of real-world problems and law.
His study of the motion-picture industry is credited for contributing to a change in movie pricing in the United States.