István Hegedűs participated at the conference of the European Citizens’ Initiative for Media Pluralism organised by European Alternatives and Alliance Internationale de Journalistes in the European Parliament in Brussels on 31 May 2012.
The Hungarian Europe Society organised a workshop entitled "Illiberal democracies – what can the European Union do in case a member state regularly and systematically breaches European values and regulations?" on 24 April 2015 in Hotel Marmara, Budapest.
István Hegedűs was a participant at the experts' roundtable discussion of the conference "The Stake of the European Parliament Elections in 2014" organised by the Republikon Institute in Mozsár Café on 20 May 2014.
On 10 April 2013 István Hegedűs talked in Klubrádió about the European Parliament's Civil Liberties, Justice and Home Affairs (LIBE) committee meeting where MEP-s discussed the fourth amendment to the Hungarian constitution.