Vaclav Vlcek was a guest researcher at the Chair of Political Science, in particular International Organization. Vaclav is a PhD candidate at the Intitute of Political Sciences, Charles University in Prague. He holds a Master degree from Charles University and spent one semester at Lund University, Sweden. In his research, Vaclav focuses on national delegations to ineternational organizations and the European Union. He has recently published in the Journal of Eurpean Integration and Czech Journal of International Relations. At the University of Potsdam, Vaclav performs his research on the composition of national delegations to the UN General Assembly annual sessions.