Aristides Hatzis is a Professor of Philosophy of Law & Theory of Institutions at the University of Athens. He studied law, economics, philosophy and history and he received his doctorate degree from the University of Chicago. He is the Director of Research at the Center for Liberal Studies-Athens, a Fellow of the Institute for Research in Economics and Fiscal Issues-Paris, and a member of the Advisory Board of the Society of European Contract Law, the Steering Committee of the European Network for Better Regulation and the Editorial Board of the European Review of Contract Law.

He is a member of the academic boards of the Hellenic Foundation for European & Foreign Policy and the Institute for Justice and Growth (EPLO). He served (from 2014 to 2016) as a member of the National Council for Research & Technology, the supreme advisory body of the Greek government for the formulation of the Research, Technology and Innovation policy and for four years (2002-2006) as a member of the steering committee of the European Association of Law & Economics. He now serves as a member of the National Committee for the Celebration of the Bicentennial of the Greek Revolution of 1821.

He is the recipient of several fellowships and awards and his papers have been published in such journals as the International Review of Law & Economics, European Journal of Law & Economics, Commentaries in Law & Economics, Revue de Philosophie Economique, Managerial and Decision Economics, etc. and in international collective volumes. He has refereed papers for over 30 journals and he has taught as Visiting Professor in Greek, European and North-American universities. He is the co-editor of Law and Economics: Philosophical Issues and Fundamental Questions (Routledge, 2015) and the author (in Greek) of Liberalism (Papadopoulos 2017 – top ten nonfiction bestsellers for 2017), Arguments for Liberty (Papadopoulos 2017) and Institutions (Papadopoulos 2018 – top ten nonfiction bestsellers for 2018). His book on the Greek Revolution of 1821 will be published in the United States in 2021.

His op-eds have been published by the New York Times, the Financial Times, the Wall Street Journal, the Washington Post, the CNBC and other major international and Greek media. He has also given interviews to major international media outlets: BBC, Bloomberg News, Economist, Euronews, Guardian, London Times, Politico, Spiegel, Time, U.S. National Public Radio, Voice of America, Australian, Belgian, Canadian, Chinese, Dutch, Finnish, French, German, Irish, Italian, Korean, Russian, Spanish, Swedish, Turkish State TV and Radio, etc.)