He studied political science at the Faculty of Arts of the Prešov University in Prešov, Slovakia, and at the Faculty of Arts of the University of P. J. Šafárik in Košice, Slovakia. Gabriel Eštok is a lecturer, fellow and deputy at the Department of Political Science of the University of Pavel Jozef Šafárik in Košice. He has completed several study visits abroad. Besides Slovak universities, he lectured at the universities in the United States, Poland, Lithuania and the Czech Republic. In his research and academic career, he focuses on the issues of regional integration –especially European integration – and the geopolitics of the Central European region. In addition, he focuses on the issues of democracy and democratic deficits. He actively publishes in Slovakia and abroad.