He returned to the university in 1983, where he started working as a research fellow in the Department of Political Science and Legal Theory.

[1] In 1994, he was elected Deputy Dean of the Faculty of Law and Political Sciences in Szeged, a post he held until 1998.

[4][5] In addition to his academic posts, he joined the newly established Constitutional Court in 1990 as one of its senior advisers.

[5] At the Constitutional Court of Hungary, he was judge from 2006 to 2015, vice-president from 2007 to 2008 and President from 2008 to 2015[1] From 2005 to 2013 he was a member of the Venice Commission of the Council of Europe.

[5] He was also awarded Grande Ufficiale dell'Ordine al Merito della Repubblica Italiana, Großes Verdienstkreuz mit Stern of the Order of Merit of the Federal Republic of Germany and Commandeur de l'Ordre National de la Légion d'Honneur in France.