Hegedűs István, Jávor Benedek, Mayer Lajos, Szanyi Tibor, Papp Katalin
István Hegedűs was a guest speaker at the conference "We Also Make our Voice Heard" organised by the National Representation of Pensioners and the foundation of the Trade Union KKDSZ in OKISZ Incubator House on 25 April 2019.
István Hegedűs gave an interview to Klubrádió on 11 September 2017 about German governmental reactions to the ruling of the European Court of Justice on the refugee quotas. The Visegrad co-operation on nationalistic basis so far is over, he claimed.
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.
On 16 May 2013 István Hegedűs represented HES in an expert meeting in the Independent Journalism Centre in Budapest. The participants discussed the recommendations of the high-level group established by the European Commission on media freedom and pluralism.