Κostas Tziaras was born in Thessaloniki in 1978. He is a graduate of the Department of History and Archeology of the Aristotle University of Thessaloniki. He has received a master's degree in modern history from the same department. In 2017 he was awared a doctorate from the Department of Political Science, AUTh. His PhD thesis is entitled: “The Low Strata in Thessaloniki during the Interwar Period. Political and Social Dimension of Poverty" and is under publication. His articles and presentations on the political and social history of the interwar period and the 1940s have been published in collective volumes and conference proceedings.
He is engaged in research on the history of 20th century political movements but also on the history of surveillance and repression, crime and justice. He has dealt with various aspects of the history of the refugee issue, while his research interests include local history and the history of entrepreneurship. Since 2009 he has been teaching history and literature at KETHEA / ITHAKI and Greek language to refugees and immigrants since 2004.
In the academic year 2019-2020 he undertook the teaching of the courses "Anti-Semitism in the 20th century", "Holocaust and historical memory", "Refugees and immigrants", within the scientific field "Political History. Exclusions and Discriminations" in the Department of Political Science of AUTH. At the same time, he conducts research work at the postdoctoral level.