Distinguished University Professor, George Mason University

Professor of Criminology, Law and Society, University of Florida

Associate Professor of Criminal Justice, Indiana University Purdue University Indianapolis

Criminology, Radboud University, Leiden University

Boston University

PhD, The American University

Bridgewater State University

Professor of Criminal Justice, California State University, Fullerton

Professor of Law, Tirana University

Professor of Criminology and Crime Policy, Panteion University