Sergey Troyan is a Ukrainian writer specializing in political research, issues of national identity, and analysis of the modern Russian-Ukrainian war. Co-author of the book "Ukraine's Trap for the Russian Leviathan", written together with Alla Kyridon, Troyan explores ways Ukraine can resist Russia's aggressive ambitions. The book focuses on the historical, cultural and political aspects of the contemporary confrontation, offering an analytical view of Ukraine's challenges and strategies in the fight against imperial threats.