Ricardo Pisillo Mazzeschi is Full Professor of International Law at the Department of International and Political Sciences, University of Siena; Director of the Interuniversity Centre for Human Rights, Migration and Aliens’ Law. LL.M. Harvard (1973); visiting professor/scholar at Tulane Law School, University College London, Université Paris II, Keio University, Lauterpacht Centre of International Law. Lectures at The Hague Academy of International Law (2006). Former legal expert on human rights for the Italian Ministry of Foreign Affairs; member of the Italian delegation at the Human Rights Council. Arbitrator and member of the Bureau of the OSCE Court of Conciliation and Arbitration. He has published 4 authored books or monographs, co-edited 4 collective books and written about 90 articles and book chapters on Public International Law, Private International Law and European Union Law.Pasquale De Sena is Full Professor of International Law and International Human Rights Law at the Faculty of Law, Catholic University, Milan (2011-); P.H.D. International Law, University of Florence (1991); visiting Professor at Université de Strasbourg (2007), Université Paris I (2010), Université Paris II (IHEI; 2012); visiting scholar at the Max Planck Institute for Comparative Public Law and Public International Law (Heidelberg 1995) and the Max Planck Institute for International, European and Regulatory Procedural Law (Luxembourg 2015); associate fellow of the “Centre d’études des norms juridiques” (Paris, EHESS: 2010 -). Lectures at the International Institute of Human Rights “René Cassin” (2007, 2008, 2010) and The Hague Academy of International Law (2016). Co-founder and general editor of the legal journal “Diritti umani e diritto internazionale” (2007 -). Permanent member of the Inter-Ministerial Committee for Human Rights of the Italian Government (2013 -). He has published 2 authored books, co-edited 2 collective books and writtenabout 60 articles and book chapters on Public International Law.

• Part I Global Justice and Changes in the International Community: Emmanuel Decaux, The Impact of Individuals and Other Non-State Actors on Contemporary International Law.-  Antonello Tancredi, State Sovereignty: Balancing Effectiveness and Legality/Legitimacy.- Giorgio Gaja, Claims Concerning Obligations Erga Omnes in the Jurisprudence of the International Court of Justice.- Pierre-Marie Dupuy, From a Community of States towards a Universal Community?.- Part II Global Justice and Modernization of the Sources of General International Law: Hanna Bourgeois and Jan Wouters, Methods of Identification of International Custom: A New Role for Opinio Juris?.- Riccardo Pisillo Mazzeschi and Alessandra Viviani, General Principles of International Law: from Rules to Values?.- Jean d’Aspremont, What Was Not Meant to Be: General Principles of Law as a Source of International Law.- Christian Tomuschat, General International Law – A New Source of International Law?.- Massimo Iovane, Conflicts between State-Centred and Human-Centred International Norms.- Part III New Goals for Humanity in the UN Sustainable Development Agenda: Francesco Francioni, Global Justice, Equality and Social Inclusion: What Kind of “Modernization” of International Law?.- Pasquale De Sena, The Goal of Promotion of Pacific Societies: Still Three Different Legal Status for Aliens, Citizens and Human Persons?.- Jorge E. Viñuales, The Influence of Environmental Protection on the Fabric of International Law.

Ricardo Pisillo Mazzeschi is Full Professor of International Law at the Department of International and Political Sciences, University of Siena; Director of the Interuniversity Centre for Human Rights, Migration and Aliens’ Law. LL.M. Harvard (1973); visiting professor/scholar at Tulane Law School, University College London, Université Paris II, Keio University, Lauterpacht Centre of International Law. Lectures at The Hague Academy of International Law (2006). Former legal expert on human rights for the Italian Ministry of Foreign Affairs; member of the Italian delegation at the Human Rights Council. Arbitrator and member of the Bureau of the OSCE Court of Conciliation and Arbitration. He has published 4 authored books or monographs, co-edited 4 collective books and written about 90 articles and book chapters on Public International Law, Private International Law and European Union Law.Pasquale De Sena is Full Professor of International Law and International Human Rights Law at the Faculty of Law, Catholic University, Milan (2011-); P.H.D. International Law, University of Florence (1991); visiting Professor at Université de Strasbourg (2007), Université Paris I (2010), Université Paris II (IHEI; 2012); visiting scholar at the Max Planck Institute for Comparative Public Law and Public International Law (Heidelberg 1995) and the Max Planck Institute for International, European and Regulatory Procedural Law (Luxembourg 2015); associate fellow of the “Centre d’études des norms juridiques” (Paris, EHESS: 2010 -). Lectures at the International Institute of Human Rights “René Cassin” (2007, 2008, 2010) and The Hague Academy of International Law (2016). Co-founder and general editor of the legal journal “Diritti umani e diritto internazionale” (2007 -). Permanent member of the Inter-Ministerial Committee for Human Rights of the Italian Government (2013 -). He has published 2 authored books, co-edited 2 collective books and writtenabout 60 articles and book chapters on Public International Law.

• Part I Global Justice and Changes in the International Community: Emmanuel Decaux, The Impact of Individuals and Other Non-State Actors on Contemporary International Law.-  Antonello Tancredi, State Sovereignty: Balancing Effectiveness and Legality/Legitimacy.- Giorgio Gaja, Claims Concerning Obligations Erga Omnes in the Jurisprudence of the International Court of Justice.- Pierre-Marie Dupuy, From a Community of States towards a Universal Community?.- Part II Global Justice and Modernization of the Sources of General International Law: Hanna Bourgeois and Jan Wouters, Methods of Identification of International Custom: A New Role for Opinio Juris?.- Riccardo Pisillo Mazzeschi and Alessandra Viviani, General Principles of International Law: from Rules to Values?.- Jean d’Aspremont, What Was Not Meant to Be: General Principles of Law as a Source of International Law.- Christian Tomuschat, General International Law – A New Source of International Law?.- Massimo Iovane, Conflicts between State-Centred and Human-Centred International Norms.- Part III New Goals for Humanity in the UN Sustainable Development Agenda: Francesco Francioni, Global Justice, Equality and Social Inclusion: What Kind of “Modernization” of International Law?.- Pasquale De Sena, The Goal of Promotion of Pacific Societies: Still Three Different Legal Status for Aliens, Citizens and Human Persons?.- Jorge E. Viñuales, The Influence of Environmental Protection on the Fabric of International Law.

Ricardo Pisillo Mazzeschi is Full Professor of International Law at the Department of International and Political Sciences, University of Siena; Director of the Interuniversity Centre for Human Rights, Migration and Aliens’ Law. LL.M. Harvard (1973); visiting professor/scholar at Tulane Law School, University College London, Université Paris II, Keio University, Lauterpacht Centre of International Law. Lectures at The Hague Academy of International Law (2006). Former legal expert on human rights for the Italian Ministry of Foreign Affairs; member of the Italian delegation at the Human Rights Council. Arbitrator and member of the Bureau of the OSCE Court of Conciliation and Arbitration. He has published 4 authored books or monographs, co-edited 4 collective books and written about 90 articles and book chapters on Public International Law, Private International Law and European Union Law.Pasquale De Sena is Full Professor of International Law and International Human Rights Law at the Faculty of Law, Catholic University, Milan (2011-); P.H.D. International Law, University of Florence (1991); visiting Professor at Université de Strasbourg (2007), Université Paris I (2010), Université Paris II (IHEI; 2012); visiting scholar at the Max Planck Institute for Comparative Public Law and Public International Law (Heidelberg 1995) and the Max Planck Institute for International, European and Regulatory Procedural Law (Luxembourg 2015); associate fellow of the “Centre d’études des norms juridiques” (Paris, EHESS: 2010 -). Lectures at the International Institute of Human Rights “René Cassin” (2007, 2008, 2010) and The Hague Academy of International Law (2016). Co-founder and general editor of the legal journal “Diritti umani e diritto internazionale” (2007 -). Permanent member of the Inter-Ministerial Committee for Human Rights of the Italian Government (2013 -). He has published 2 authored books, co-edited 2 collective books and writtenabout 60 articles and book chapters on Public International Law.

• Part I Global Justice and Changes in the International Community: Emmanuel Decaux, The Impact of Individuals and Other Non-State Actors on Contemporary International Law.-  Antonello Tancredi, State Sovereignty: Balancing Effectiveness and Legality/Legitimacy.- Giorgio Gaja, Claims Concerning Obligations Erga Omnes in the Jurisprudence of the International Court of Justice.- Pierre-Marie Dupuy, From a Community of States towards a Universal Community?.- Part II Global Justice and Modernization of the Sources of General International Law: Hanna Bourgeois and Jan Wouters, Methods of Identification of International Custom: A New Role for Opinio Juris?.- Riccardo Pisillo Mazzeschi and Alessandra Viviani, General Principles of International Law: from Rules to Values?.- Jean d’Aspremont, What Was Not Meant to Be: General Principles of Law as a Source of International Law.- Christian Tomuschat, General International Law – A New Source of International Law?.- Massimo Iovane, Conflicts between State-Centred and Human-Centred International Norms.- Part III New Goals for Humanity in the UN Sustainable Development Agenda: Francesco Francioni, Global Justice, Equality and Social Inclusion: What Kind of “Modernization” of International Law?.- Pasquale De Sena, The Goal of Promotion of Pacific Societies: Still Three Different Legal Status for Aliens, Citizens and Human Persons?.- Jorge E. Viñuales, The Influence of Environmental Protection on the Fabric of International Law.