Patricia Viseur Sellers, an international criminal lawyer.  She teaches on the law faculty of the University of Oxford. She is a Visiting Fellow of Kellogg College and a Fellow at the Bonavero Human Rights Center at the University of Oxford. She is the former Special Advisor for Slavery Crimes to the Office of the Prosecutor of the International Criminal Court. Previously, she served as Special Advisor for Gender to the Prosecutor. From 1994-2007 she was the Legal Advisor for Gender, Acting Head of the Legal Advisory Section and a prosecutor at the Yugoslav Tribunal (ICTY).  She served as the Legal Advisor for Gender at the Rwanda Tribunal (ICTR) from 1995-1999.   Ms. Sellers was a prosecutor on the trial teams of Akayesu, Furundzija, Kunarac, Nikolic, Oric and Stankovic.  She has developed legal strategies that led to landmark decisions regarding sexual violence as constitutive conduct of war crimes, crimes against humanity, genocide, torture and enslavement under international criminal law. 

Ms. Sellers advises governments and civil society on international criminal law issues.  She has lectured extensively and authored numerous articles, including, ‘Missing in Action: The International Crime of the Slave Trade’, 'Wartime Female Slavery: Enslavement?' and 'The International Crimes of Slavery and the Slave Trade: A Feminist Critique."   She has testified as an expert witness before the Inter-American Court of Human Rights in the cases of J. v. Peru, Favela Nova Brasilia v. Brazil, Albarracín v. Ecuador and Lima and Others v. Colombia. She is the recipient of the prestigious Goler T. Butcher Medal and the Prominent Women in International Law Award by the American Society of International Law. She is a member of the Editorial Board of the American Journal of International Law.  She holds an Honorary Doctorate in Law from the City University of New York, as well as an Honorary Fellow for Lifetime Achievement from the Law School of the University of Pennsylvania, her alma mater.  

Philippa Webb is Professor of Public International Law, University of Oxford and the Blavatnik School of Government. In October 2025, she is launching the Oxford Institute of Technology and Justice in partnership with the Clooney Foundation for Justice. She is also a barrister at Twenty Essex and has appeared before the International Court of Justice, the International Tribunal for the Law of the Sea, the European Court of Human Rights and the UK Supreme Court. Philippa has held positions in the Presidency of the International Court of Justice, the Office of the Prosecutor at the International Criminal Court and in United Nations Headquarters. In her human rights practice she has represented an individual who have been allegedly subjected to modern slavery and persons who claim to have been harassed through a State’s use of spyware. Philippa has represented small island States in international climate litigation and she is counsel to States intervening in cases concerning genocide. Her publications include Freedom of Speech in International Law (2024, chapters on insulting speech and false speech, A Clooney & D Neuberger eds), The Right to a Fair Trial in International Law (2021, with A Clooney), Oppenheim’s International Law: United Nations (2017, with Dame Rosalyn Higgins GBE KC, D Akande, S Sivakumaran and J Sloan), and The Law of State Immunity (2015, with Lady Fox KC).

Inga Winkler is an Associate Professor in Human Rights at Wageningen University with a research focus on public health and gender justice. Her research on menstruation spans questions of lived experiences, social mobilization and policy-making with particular attention to addressing stigmatization and marginalization. Her work has been supported through grants of the European Commission, foundations and UN agencies. Inga is the co-chair of a standing Seminar on Menstruation & Society at Columbia University and the co-editor of the Palgrave Handbook of Critical Menstruation Studies. Prior to joining Wageningen University, Inga was on the faculty at the Central European University in Vienna and at Columbia University in City of New York.