Rastislav Kačmár works as an editor at Denník N, focusing on foreign policy and world politics. He holds a Master's degree in International Relations from the Matej Bel University in Banská Bystrica. He also studied at Complutense University in Madrid and University of Zagreb. During his studies, he worked for Slovak NGO Euro-Atlantic Center, serving as its Vice President for two years. Apart from that, he also cooperated with several other NGOs, including Jagello 2000 and Slovak Security Policy Institute.