István Hegedűs gave a presentation at the conference of individual members of ALDE, the European party of liberals entitled "What we can learn from the past and what can we take for the future, what went wrong in Visegrad, what we can do better?" in Visegrád on 2 December 2018.
István Hegedűs made a presentation in the Pensioners' Club of the Trade Union of the Employees of the Ministry of Foreign Affairs entitled "Hungary and the Political Situation in Europe" on 29 November 2018.
István Hegedűs made a presentation at the University of North Carolina at Chapel Hill entitled "Populism in Central Europe and Beyond: The Hungarian Case" in Chapel Hill, North Carolina on 26 October 2018.
István Hegedűs made a public presentation at the East Carolina University entitled “Hungary’s Relations with the European Union: An Anti-Liberal Experiment” in Greenville, North Carolina on 23 October 2018.
István Hegedűs gave a presentation at the seminar of the General Electric Human Resources Leadership Program in Hotel Hilton, Budapest, on 7 May 2007.
István Hegedűs gave a presentation entitled "European Elections and European Party Politics: Lessons Learned from the Hungarian European Campaign" at the conference "European Elections between Domestic and European Politics – Sharing Best Practices" organised by the Centrul Român de Studii Globale and participated at the round-table discussion in Bucharest on 9 March 2007.
István Hegedűs gave a presentation entitled "Party Politics on European Matters and the Divide between Political Elites and Citizens in Hungary" at the conference of the European Consortium for Political Research at Corvinus University of Budapest on 9 September 2005.