This collection of essays addresses the most pressing contemporary issues in international law and relations. The authors are leading experts and renowned actors on the international stage, or in national jurisdictions, who have all interacted closely with Louise Arbour in the course of her career. Louise Arbour has had a profound impact on the development of international law and has played significant roles in international institutions, as Prosecutor for the International Criminal Tribunals for Rwanda and the former Yugoslavia, United Nations High Commissioner for Human Rights, CEO of the International Crisis Group and Special Representative of the UN Secretary-General for International Migration. She also held the top legal positions in Canada and helped shape Canadian law, as an academic and as a judge, sitting on its highest bench, the Supreme Court of Canada. Louise Arbour is a leader on issues of conflict prevention and resolution, criminal justice and human rights, and her vision often sets the standard.