Born on January 21, 1981, in the village of Samary, Ratnovsky district, Volyn region. In 1998, she graduated from Samara Secondary School with honours. During 1998-2004, she obtained higher education in History at the National University of Ostroh Academy (Bachelor's, Specialist's and Master's degrees with honours). In 2004 she became a doctoral student at the graduate school of the National University of Ostroh Academy and in 2007 she defended her Candidate of Sciences thesis ahead of schedule. In 2013, Tetiana Sydoruk became a Doctor of Philosophy in Political Science.
Since 2004, she has been engaged in scientific and pedagogical activities as a lecturer of the Department of political science (2004-2006), Associate Professor of the Department of International Relations and Country Studies (2007-2013), Professor of the Department of International Relations (2013-2017), head of the Department of International Relations (since 2017) at the National University of Ostroh Academy. She is the head of the Centre for European Studies, whose priority areas of activity are the study of modern European integration processes, current issues of development of the European Union and its relations with other states and international organisations; publication of research results at conferences, seminars, in scientific publications; promotion of European and Euro-Atlantic integration of Ukraine as strategic goals of Ukraine's foreign policy.
Tetiana V. Sydoruk is the author and co-author of more than 80 scientific papers in the field of European Studies, in particular individual monographs (European Union Neighbourhood Policy in Eastern Europe: A Model of Integration without Membership. Lviv, 2012; European Neighbourhood Policy and EU-Ukraine relations. Ostrog, 2008), as well as textbooks (Integration Processes in Modern Europe. Lviv, 2010; European Integration of Ukraine. Lviv, 2011). Over the years of scientific and pedagogical activity, she has trained two Doctors of Philosophy and one Candidate of Sciences and supervises post-graduate students of the Departments of International Relations and Political Science of the National University of Ostroh Academy. Tetiana V. Sydoruk is the editor-in-chief of the scientific journal "International Relations, Public Communications and Regional Studios" of Lesya Ukrainka Volyn National University and a member of the editorial board of the scientific journal "Philosophy and Political Science in the Context of Modern Culture" of Oles Honchar Dnipro National University.
For fruitful scientific and pedagogical activities, she received the following awards and distinctions: The Certificate of Honour of the Rivne Regional State Administration (2013); Award of the Head of Rivne Regional State Administration (2014); Scholarship of the Verkhovna Rada of Ukraine for Young Scientists (2015); Scholarship of the Verkhovna Rada of Ukraine for Young Scientists (2016); Gratitude of the Ministry of Education and Science of Ukraine (2019).