Cassandra Steer



International Criminal Law, International Humanitarian Law, International Space Law, Space Security, International Relations, Comparative Law

Dr. Cassandra Steer is the Executive Director of Women in International Security (WIIS) Canada, and a 2018 Visiting Fellow at the University of Pennsylvania’s Center for Ethics and Rule of Law. Formerly she was Executive Director of the McGill Institute of Air and Space Law, and a Wainwright Junior Fellow at McGill’s Faculty of Law. Her book “Translating Guilt: Identifying Leadership Liability for Mass Atrocity Crimes” (Springer, 2017) provides a comparative analysis of forms of liability in international criminal law. Her current research interests focus on space security and the application of the law of armed conflict and use of force in space, and she is currently working on an edited volume, a book and several articles in this field. She has also been a consultant to military lawyers in the Canadian Judge Advocate General’s Office on these issues.

Previously Cassandra was a Junior Professor at the University of Amsterdam in the Netherlands, teaching criminal law, international criminal law, public international law, and legal research methods. She has a PhD in International Criminal Law, and has been a Visiting Researcher at universities in Argentina, Canada, Germany and the USA, where she was also a Fulbright Scholar.

Currently, Cassandra Steer is the member for Canada on the International Law Association Space Law Committee; an Associate Expert contributing to the Manual on International Law Applicable to Military Activities in Outer Space (MILAMOS); and a member of the International Institute of Space Law, Women in Aerospace, the Centre for International Peace and Security Studies, the NATO Association of Canada, and the International Society for Military Law and the Law of War.