David G. Price and Dallas P. Price Professor of Law at the School of Law of the University of California, Los Angeles, United States, where he teaches Criminal Law, Comparative Criminal Procedure and International and Transnational Criminal Law since 2003. He is also President of the American Society of Comparative Law. Besides teaching at UCLA, Professor Langer has taught at, among other institutions, the University Torcuato Di Tella School of Law in Argentina and Harvard Law School (where he was Louis D. Brandeis Visiting Professor of Law). Professor Langer is also the Director of the Transnational Program on Criminal Justice at UCLA School of Law and is a Member of the American Law Institute. He was also the Founding Faculty Director of the Criminal Justice Program at UCLA School of Law. He obtained his abogado degree at the University of Buenos Aires School of Law and his Doctor of Juridical Science degree at Harvard Law School. He has authored many publications on criminal law and criminal procedure and his work has been translated to and published in multiple languages and has received awards from several professional associations.