Ourania Tsitsilonis is Professor of Immunology at the Department of Biology, National and Kapodistrian University of Athens (NKUA). She majored in Biology and Medicine, and received her PhD in Immunology from the same University. She worked as post-doctoral researcher at the University of Tuebingen, Germany and at the Department of Immunology, “St. Savas” Cancer Hospital in Athens, where in parallel performed her Biopathology residency. Since 2002, she is faculty member at the Department of Biology, NKUA, where she teaches Immunology and Physiology at under- and post-graduate level. In 2016 she established and heads since, the Flow Cytometry Unit of NKUA. Her main scientific interests focus on tumor immunology and immunotherapy, specifically in the in vitro and in vivo analysis of the mode of action of biologic response modifiers/adjuvants and the identification of novel prognostic/predictive biomarkers and immune signatures in various malignancies, mainly plasma cell dyscrasias. She has published more than 100 original articles, has successfully supervised 10 PhD theses, many MSc and diploma theses. She has coordinated/participated in projects funded by National (Hellenic Ministries of Development, Health, Education, Empirikion Foundation, Latsis Foundation, NKUA, HESMO) and International (European Union, DAAD, NATO) organizations. She was Vice President of the Department of Biology (2015-2022), founder and Secretary General of the Hellenic Society of Immuno-oncology (2015-2022) and at present, coordinating board member of the NKUA Centre of Excellence “Bioactive Natural Products” (since 2018) and Adjunct Professor of Tumor Immunology at the European University Cyprus (since 2019).