Duncan Chappell, an Australian lawyer and criminologist, is currently a Honorary Professor in the Faculty of Law at the University of Sydney, and a Conjoint Professor in the School of Psychiatry at the University of NSW. He is also the past Chair of the International Advisory Board of the Australian Research Council'e(tm)s Centre of Excellence in Policing and Security. A past President of the NSW Mental Health Review Tribunal; a former Deputy President of the Federal Administrative Appeals Tribunal; and a former Director of the Australian Institute of Criminology he has also held senior academic posts in Australia, Canada and the US. Chappell has researched and published widely on a range of crime and criminal justice topics, including art crime and trafficking in cultural property. Among his most recent publications on this subject is a book, Crime in the Art and Antiquities World: Illegal Trafficking in Cultural Property (2011) published by Springer, New York, and co-edited with Stefano Manacorda of the University of Paris. Saskia Hufnagel is a qualified German legal professional and accredited specialist in criminal law. She currently works as Lecturer in Criminal Law at Queen Mary University of London. She previously worked as a Research Fellow at the Australian Research Council Centre of Excellence in Policing and Security, Griffith University, Australia, and was a Leverhulme Fellow at the University of Leeds.

Her main research areas encompass law enforcement cooperation in Asia, North America, the EU and Australasia, comparative constitutional and human rights law with a focus on terrorism legislation and emergency management and the policing of art crime. Her monograph Policing Cooperation Across Borders: Comparative Perspectives on Law Enforcement within the EU and Australia (Ashgate) was published in 2013. Saskia was awarded an LL.M. (2004) and a PhD in Law (2011) by the Australian National University.