Professor Király is former Dean of the Faculty of Law of Eötvös Loránd University (ELTE) in Budapest (Hungary) where he teaches private international law and European economic law.


He completed his doctorate of law in 1985 and his PhD in legal sciences (European law) in 1997 at the School of Law, Eötvös Loránd University.


He is the author of some 80 studies on European law, civil law and private international law. His PhD thesis was published in 1998 under the title 'Prohibition of Discrimination in the Case Law of the European Court of Justice'. His latest monograph was published in 2007 (in English in 2011) under the title 'Unity and Diversity: The Impact of the Law of the European Union on Culture'.


He is also a Visiting Professor at the Postgraduate School of Economics and International Relations (Catholic University, Milan, Italy) (2003–2019) and at Babes-Bólyai University (Cluj, Romania) (2017–2019); member of the Arbitration Court Attached to the Hungarian Chamber of Commerce and Industry (since 2000), and former member of the Governing Council of the International Institute for the Unification of Private Law (UNIDROIT).