Harvard University

Universidade Federal de Goiás - UFG

Pontifícia Universidade Católica de São Paulo (PUC-SP)

Stanford University

Distinguished McKnight University Professor & Harlan Albert Rogers Professor of Law …

Lecturer at Fsd college of law. Law researcher, Islamic Scholar

Distinguished Professor of Public Administration, American University (Washington, DC)

Edward B. Shils Professor of Law, University of Pennsylvania

Edward B. Shils Professor of Law, University of Pennsylvania

Lawrence King Professor of Law and Dean Emeritus, NYU School of Law