Guy Davidov is Elias Lieberman Chair in Labour Law at the Hebrew University of Jerusalem. He studied at Tel-Aviv University (LLB) and the University of Toronto (LLM, SJD) and has previously been a faculty member at the University of Haifa, before joining the Hebrew University in 2007. He served as Vice-Dean from 2009 to 2011 and is currently head of the Graduate Programs. He is co-editor of the Israeli journal Labour, Society and Law, and chairs the Steering Committee of the recently founded Labour Law Research Network. He has published widely on labour law issues, especially dealing with the normative justifications for different labour regulations. Brian Langille is Professor of Law at the University of Toronto. A native of Nova Scotia, he received a B.A. from Acadia, his LL.B from Dalhousie Law School, and the B.C.L. from Oxford. He taught at Dalhousie Law School prior to joining the University of Toronto in 1983. His numerous publications are concerned with labour law and legal theory. Professor Langille has been appointed a Visiting Professor or Fellow at The International Institute for Labour Studies, the European University Institute, the Centre for Transnational Legal Studies in London, Dalhousie Law School, University Pompeu Fabra, the Institute for Advanced Studies of Nantes, and the University of Melbourne Law School. He has also been a member of the executive of the International Society for Labour Law and Social Security and he is an editor of the International Labour Law Reports.