Marco Sassòli, chairs the board of Geneva Call. He is since March 2004 professor of international law at the University of Geneva, Switzerland, and chairs the board of the Geneva Academy of International Humanitarian Law and Human Rights. From 2001-2003, he has been a regular professor of international law at the University of Quebec in Montreal, Canada, where he remains an associate professor. He graduated as doctor of laws from the University of Basel (Switzerland) and is member of the Swiss bar. He has worked from 1985-1997 for the International Committee of the Red Cross at the headquarters, inter alia as deputy head of its legal division, and in the Middle East and the Balkans. He has also served as executive secretary of the International Commission of Jurists and as registrar at the Swiss Supreme Court. He has published on international humanitarian law, human rights law, international criminal law, the sources of international law and state responsibility.

Bertrand Reich, Secretary of the Geneva Call Board, is a Lawyer and Member of Geneva Bar Association. He is involved in Geneva's economic and political issues. He was has worked as a lawyer with organizations supporting refugees and asylum seekers.

Andrew Clapham, Member of the Board, is Professor of Public International Law at the Graduate Institute of International and Development Studies, Geneva and Director of the Geneva Academy of International Humanitarian Law and Human Rights. Before joining the Institute in 1997, Clapham was representative of Amnesty International to the United Nations in New York. His current research relates to the role of non-state actors in international law and related questions in human rights and humanitarian law. He has worked as Special Adviser on Corporate Responsibility to High Commissioner for Human Rights Mary Robinson and Adviser on International Humanitarian Law to Sergio Vieira de Mello, Special Representative to the UN S-G in Iraq. His publications include International Human Rights Lexicon, with Susan Marks (Oxford University Press, 2005), Human Rights Obligations of Non-state Actors (Oxford University Press, 2006), and Human Rights: A Very Short Introduction (Oxford University Press, 2007).

Tom McCarthy, Member of the Board, Former Senior Advisor, United Nations High Commissioner for Human Rights. He still conducts mandates on human rights, mainly with the World Organization Against Torture.

Elisabeth Decrey Warner, Member of the Board (see: ).

Jannis Sakellariou, Member of the Board, is an economist and engineer with extensive political experience. He is currently a Member of the European Parliament. On behalf of the European Union, he conducted an Observation Mission for the electoral process in Guatemala (July-December 2003) and in Nicaragua (September-November 2001). In Germany, he undertook different political responsibilities such as Chairman of the Bavarian SPD Peace and Security Working Group (1992-1999), Spokesman and Coordinator of the Parliamentary Group of the Party of European Socialists in the EP Committee on Foreign Affairs, Human Rights, Common Security and defence Policy (1989-1996; 1999-2004). Deeply involved in the education, Mr Sakellariou was the Academic Director at the University of the Armed Forces in Neubiberg/Munich (1976-1984) and Collaborator at the Central Administration of the Max-Planck Institute in Munich (1974-1975). He speaks German, Greek, Spanish, French, English, and Italian.

Eric Sottas, Member of the Board, is Director of the World Organization Against Torture in Geneva.

Priscilla Hayner, a co-founder of the International Center for Transitional Justice (ICTJ), is currently the Director of the ICTJ Geneva office and of the ICTJ Peace and Justice Program.  She has undertaken extensive research on how justice issues are addressed in peace negotiations, with recent publications on the peace processes in Liberia and Sierra Leone, and current research on the DRC.  In March 2008, Ms Hayner served as human rights advisor for the Kenyan National Dialogue and Reconciliation, at the request of Kofi Annan and the Panel of Eminent African Personalities.  Ms Hayner is an expert on truth commissions and has written widely on official truth seeking in political transitions. She was previously a consultant to the Ford Foundation and the Office of the UN High Commissioner for Human Rights, and a program officer for the Joyce Mertz-Gilmore Foundation, New York.